Category: Bit Bank

Practice the AP 7th Class Maths Bits with Answers Chapter 8 Congruency of Triangles on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 7th Class Maths Bits 8th Lesson Congruency of Triangles with Answers

Choose the correct answer.

Question 1.
Name the congruency in ΔPQR ≅ ΔABC is

A) S.A.S
B) A.S.A
C) R.H.S
D) S.S.S
Answer:
D) S.S.S

Question 2.
If in ΔPEN and ΔRIM; PE = RI; ∠E = ∠I and EN = IM then
A) ΔEPN ≅ ΔRIM
B) ΔNPE ≅ ΔRIM
C) ΔPEN ≅ ΔRIM
D) ΔPEN ≅ ΔMIR
Answer:
C) ΔPEN ≅ ΔRIM

Question 3.
Which of the following pairs of figures are congruent?

Answer:

Question 4.
Which of the following pair of figures are not congruent?

Answer:

Question 5.
If ΔABC ≅ ΔDEF then \(\overline{\mathbf{A C}}\) = …………….
A) \(\overline{\mathrm{DE}}\)
B) \(\overline{\mathrm{EF}}\)
C) \(\overline{\mathrm{DF}}\)
D) None
Answer:
C) \(\overline{\mathrm{DF}}\)

Question 6.
From the given figure Δ EGF ≅ ………………..?

A) Δ PQR
B) Δ QPR
C) Δ RPQ
D) Δ PRQ
Answer:
D) Δ PRQ

Question 7.
From the above sum ΔEGF ≅ ΔPRQ then
A) ⌊E = ⌊P
B) \(\overline{\mathrm{FG}}=\overline{\mathrm{QR}}\)
C) ⌊G = ⌊R
D) All the above
Answer:
D) All the above

Question 8.
If Δ CDG ≅ Δ RSW then which of the following is not correct?
A) \(\overline{\mathrm{CD}}=\overline{\mathrm{RS}}\)
B) ⌊D = ⌊R
C) \(\overline{\mathrm{DG}}=\overline{\mathrm{SW}}\)
D) ⌊G = ⌊W
Answer:
B) ⌊D = ⌊R

Question 9.
From the given figure?

A) ⌊TPQ = ⌊SQR
B) ⌊QPT = ⌊SQR
C) ⌊QPT = ⌊QSR
D) ⌊TQP = ⌊SQR
Answer:
D) ⌊TQP = ⌊SQR

Question 10.
From the given figure which of the following is true?

A) ΔPQR ≅ ΔQPS
B) ΔPQR ≅ ΔPQS
C) ΔPSQ ≅ ΔPRQ
D) ΔPRQ ≅ ΔPQS
Answer:
A) ΔPQR ≅ ΔQPS

Question 11.
From the figure then

A) ΔABC ≅ ΔRQP
B) ΔABC ≅ ΔPQR
C) ΔABC ≅ ΔQRP
D) ΔABC ≅ ΔRPQ
Answer:
A) ΔABC ≅ ΔRQP

Question 12.
From the above sum ΔABC ≅ ΔRQP by which congruency rule?
A) S.S.A
B) A.S.A
C) S.A.S
D) S.S.S
Answer:
D) S.S.S

Question 13.
ΔABC ≅ ΔDBC by which congruency rule?

A) S.A.S
B) A.S.A
C) S.S.S
D) R.H.S
Answer:
A) S.A.S

Question 14.
From the given figure which corresponding parts are need to equal when ΔADC ≅ ΔABC by S.A.S rule?

A) CD = CB
B) ⌊A CB = ⌊D CA
C) AD = AB
D) ⌊D = ⌊B
Answer:
C) AD = AB

Question 15.
From the given figure ΔABO ≅ ΔDCO by which congruency rule?

A) S.A.S
B) A.S.A
C) S.S.S.
D) R.H.S
Answer:
B) A.S.A

Question 16.
If ⌊M LN = ⌊F GH, ⌊N ML = ⌊G FH, ML = FG then ………………?
A) ΔLMN ≅ ΔHGF
B) ΔMNL ≅ ΔFGH
C) ΔLNM ≅ ΔHFG
D) ΔLMN ≅ ΔFGH
Answer:
D) ΔLMN ≅ ΔFGH

Question 17.
From the given figure ΔABE ≅ ΔCDB by the congruency rule of

A) S.A.S
B) A.S.A
C) R.H.S
D) S.S.S
Answer:
C) R.H.S

Question 18.
From the given figure ΔRAT ≅ ……………….?

A) ΔNOW
B) ΔWON
C) ΔOWN
D) ΔWNO
Answer:
B) ΔWON

Question 19.
From the adjacent figure ΔTPQ ≅……………?

A) ΔQRS
B) ΔSRQ
C) ΔQSR
D) ΔRSQ
Answer:
A) ΔQRS

Question 20.
From the given figure the area of a triangle is ……………? (cms)

A) 50
B) 40
C) 32
D) 80
Answer:
B) 40

Question 21.
What is the area of a ΔABC when AB = BC = 5 cm and ⌊B = 90° (in sq cms)
A) 10
B) 6.25
C) 12.5
D) 25
Answer:
C) 12.5

Question 22.
From the adjacent figure the area of ΔABC is (in sq units)

A) \(\frac{1}{2}\)ab
B) \(\frac{1}{2}\)(√a)^√b
C) \(\frac{1}{2}\)\(\sqrt{a b}\)
D) \(\frac{1}{2}\)(√b)^√a
Answer:
C) \(\frac{1}{2}\)\(\sqrt{a b}\)

Question 23.
If two figures are identical and equal then they are
A) identical
B) similar
C) congruent
D) equal
Answer:
C) congruent

Question 24.
Two squares are always
A) similar
B) equal
C) congruent
D) none
Answer:
A) similar

Question 25.
Two circles are always
A) congruent
B) equal
C) similar
D) can’t say
Answer:
C) similar

Question 26.
If 3 sides of a first triangle are correspondingly equal to 3 sides of second triangle then the two triangles are congruent under the property of …………………
A) R.H.S
B) A.S.A
C) S.A.S
D) S.S.S
Answer:
D) S.S.S

Question 27.
If two sides included angle of the first triangle are correspondingly equal to two sides included angle of the second triangle then the two triangles are said to be congruent under the property of ……………..
A) R.H.S
B) A.S.A
C) S.A.S
D) S.S.S
Answer:
C) S.A.S

Question 28.
Which of the following are always congruent?
A) Two circles with same radii
B) Two squares with same length of side
C) Two triangles
D) Both A & B
Answer:
D) Both A & B

Question 29.
Two line segments are congruent if they have …………….
A) same common point
B) same length
C) same angle
D) none
Answer:
B) same length

Question 30.
If two figures are having same shape and size then they are said to be ……………..figure.
A) Congruent
B) Similar
C) Corresponding
D) Equal
Answer:
A) Congruent

Practice the AP 7th Class Maths Bits with Answers Chapter 7 Data Handling on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 7th Class Maths Bits 7th Lesson Data Handling with Answers

Choose the correct answer.

Question 1.
The mean of 1^st five even numbers is
A) 5
B) 6
C) 8
D) 10
Answer:
B) 6

Question 2.
The mean of 1^st six odd numbers is
A) 6
B) 5
C) 8
D) 4
Answer:
A) 6

Question 3.
The mode of 1, 2, 2, 3, 3, 4, 4, 4 is
A) 2
B) 3
C) 4
D) None
Answer:
C) 4

Question 4.
The median of 2, 3, 5, 2, 3, 6, 2, 4, 8 is
A) 5
B) 3
C) 6
D) 2
Answer:
B) 3

Question 5.
The appropriate representative value for the following situation is to know the performance of students in a Maths test is
A) mean
B) median
C) mode
D) all
Answer:
A) mean

Question 6.
What is the Average rainfall of Nellore district in 2015, November for seven days 11 cm, 9 cm, 8.5 cm, 14 cm, 17.5 cm, 12 cm, 12 cm is ……………..?
A) 12 cm
B) 14.5 cm
C) 9.5 cm
D) 10.5 cm
Answer:
A) 12 cm

Question 7.
What is the average temperature of Rentachintala in the month of May for 5 days 47°, 46.5°, 44.5°, 48°, 44° is …………….
A) 45.5°C
B) 46°C
C) 46.5’C
D) 44°C
Answer:
B) 46°C

Question 8.
The cost of Tomatoes in the month of Nov, 2015 for first Week are ₹35, ₹40, ₹55, ₹60, ₹70, ₹75, ₹80. Then its average cost is?
A) ₹60
B) ₹65
C) ₹58
D) ₹59.29
Answer:
D) ₹59.29

Question 9.
What is the mean of first 10 natural numbers?
A) 5
B) 5.6
C) 5.5
D) 5.4
Answer:
C) 5.5

Question 10.
The mean of first 7 primes is ……………?
A) 8.2
B) 8.3
C) 8
D) 8.28
Answer:
D) 8.28

Question 11.
The mean of 2, 3, 4, 7, 11, x, 9 is 6 then the value of x = ……………..?
A) 5
B) 7
C) 6
D) 4
Answer:
C) 6

Question 12.
What is the mean of 2 – a, 2, 2 + a is …………..?
A) 2
B) 3
C)0
D) 1
Answer:
A) 2

Question 13.
What is the Median of 7, 2, 11, 3, 5, 13, 17 is …………….?
A) 6
B) 11
C) 5
D) 7
Answer:
D) 7

Question 14.
The median of 1, 2, 0, 3, 7, 5, 2.5 is ……………..?
A) 1
B) 2
C) 2.5
D) 3
Answer:
C) 2.5

Question 15.
What is the mode of first 10 natural numbers?
A) 0
B) 1
C) 2
D) No mode
Answer:
D) No mode

Question 16.
What is the mode of the observations 2, 3, 5, 2, 7, 3, 2, 8, 6 is …………….?
A) 5
B) 2, 3
C) 2
D) 3
Answer:
C) 2

Question 17.
What is the mode of ages of 7th, 8th, 9th class students 11, 13, 12, 14, 13, 12, 15, 14, 13.
A) 11 Y
B) 14 Y
C) 13 Y
D) 12 Y
Answer:
C) 13 Y

Question 18.
If a fixed number is add to the given observations then the change of median is ……………?
A) No change
B) There will be a change
C) Increase the median in addition to the fixed number
D) None
Answer:
C) Increase the median in addition to the fixed number

Question 19.
Preparation of number of sweets for a function is …………….?
A) Mean
B) Median
C) Mode
D) None
Answer:
A) Mean

Question 20.
From different sizes of chappals opting a suitable size is …………….
A) Mean
B) Median
C) Mode
D) None
Answer:
C) Mode

Question 21.
Wages of workers in a factory taken in consideration is ……………..
A) Mean
B) Median
C) Mode
D) None
Answer:
B) Median

Question 22.
If ‘1’ is added to 3, 4, 5, 5, 8 the New Mode is …………….?
A) remains same
B) increases the mode
C) 6
D) None
Answer:
C) 6

Question 23.
= ……………..?
A) Mean
B) Median
C) Mode
D) None
Answer:
A) Mean

Question 24.
In given observations the observation which occurs frequently is called a ……………..
A) Mean
B) Median
C) Mode
D) None
Answer:
C) Mode

Question 25.
By arranging the given observations in ascending order then the middle most observation is called a ………………
A) Mean
B) Median
C) Mode
D) None
Answer:
B) Median

Question 26.
In a class of 10th students Dullers – 8, Average – 8, Above average – 6, Brilliants – 2 From the given figure the angle for Briliant student is

A) 45°
B) 60°
C) 90°
D) 30°
Answer:
D) 30°

Question 27.
From the above sum Dullers represents the angle of?
A) 120°
B) 90°
C) 150°
D) 100°
Answer:
A) 120°

Question 28.
From the above (1st sum) Above Average students represent the angle of ……………..?
A) 120°
B) 90°
C) 45°
D) 135°

Answer:
B) 90°

Question 29.
From the above figure in which year the population 900 Millions occurs ……………?
A) 1991
B) 1981
C) 1951
D) 2001
Answer:
B) 1981

Question 30.
The population of the year 1991 is …………..? (in millions)
A) 1000
B) 700
C) 900
D) 1200
Answer:
D) 1200

Practice the AP 7th Class Maths Bits with Answers Chapter 6 Ratio – Applications on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 7th Class Maths Bits 6th Lesson Ratio – Applications with Answers

Choose the correct answer.

Question 1.
In a class of 65 students, the ratio of girls and boys is 3: 2; then the number of girls are
A) 26
B) 39
C) 21
D) 44
Answer:
B) 39

Question 2.
Radha goes to market with a sum of ₹ 120 and spends there ₹ 45. Now the ratio of money with her and spent by her is
A) 3 : 5
B) 6 : 3
C) 5 : 3
D) 4 : 6
Answer:
C) 5 : 3

Question 3.
A sum is divided into two parts in the ratio 11 : 4. If the smaller part is ₹ 840 then the bigger part is
A) ₹ 2310
B) ₹ 3150
C) ₹ 2450
D) ₹ 5280
Answer:
A) ₹ 2310

Question 4.
If 3,8, x and 16 are in proportion the value of x is
A) 12
B) 4
C) 8
D) 6
Answer:
D) 6

Question 5.
The ratio of an angle and its complementary is 2: 7 then the smaller angle is
A) 70°
B) 20°
C) 60°
D)30°
Answer:
B) 20°

Question 6.
The side of an square is 5 units. If its side is doubled the ratio of areas of the original square and thus formed is
A) 1 : 4
B) 4 : 1
C) 2 : 1
D) 1 : 2
Answer:
A) 1 : 4

Question 7.
Divide ₹63 in the ratio of 4 : 5 = ……………..?
A) (28, 35)
B) (36, 37)
C) (36, 27)
D) (35, 28)
Answer:
A) (28, 35)

Question 8.
A sum of ₹11000 is divided in the ratio of 5 : 6 then the greater share is? (in₹)
A) 5000
B) 6000
C) 1000
D) 7000
Answer:
B) 6000

Question 9.
In a class of 40 students number of girls are 28 then the ratio of boys and girls is …………….
A) 4 : 7
B) 7 : 3
C) 3 : 7
D) 7 : 4
Answer:
C) 3 : 7

Question 10.
From the above sum the ratio of boys to the total class is ……………
A) 3 : 10
B) 10 : 3
C) 4 : 10
D) 4 : 9
Answer:
A) 3 : 10

Question 11.
The area of a rectangle is 600. If its length is 30, then the ratio of l: b is …………….
A) 3 : 4
B) 3 : 2
C) 3 : 5
D) 4 : 3
Answer:
B) 3 : 2

Question 12.
If 3 : 6 :: 12 : x ⇒ x = …………..?
A) 9
B) 18
C) 24
D) 15
Answer:
C) 24

Question 13.
If 4 : 3 :: x : 9 ⇒ x = ……………….
A) 16
B) 15
C) 12
D) 6
Answer:
C) 12

Question 14.
If the cost of 5 pens is 70, then the cost of 7 pens is ………………..
A) ₹84
B) ₹90
C) ₹112
D) ₹98
Answer:
D) ₹98

Question 15.
If 90 : x : : 60 : 10 ⇒ x = ?
A) 15
B) 20
C) 30
D) 45
Answer:
A) 15

Question 16.
The ratio of two complementary angles is 4 : 5 then its smaller angles?
A) 36°
B) 44°
C) 50°
D) 40°
Answer:
D) 40°

Question 17.
Out of 96 students 12 students were absent in a class. Then the ratio of present to absentees is …………….
A) 1 : 7
B) 7 : 1
C) 8 : 1
D) 9 : 1
Answer:
B) 7 : 1

Question 18.
From the above sum the percentage of students are present
A) 86.5%
B) 84.5%
C) 87.5%
D) 85.5%
Answer:
C) 87.5%

Question 19.
A bus covers a distance of 240 kms in 6hrs then its covers the distance in 11 hrs is ……………. (kms)
A) 440
B) 400
C) 360
D) 320
Answer:
A) 440

Question 20.
40% of 200 – 20% of 50 = ………………
A) 70
B) 90
C) 80
D) 60
Answer:
A) 70

Question 21.
70% of a number is 56, then the number is …………….?
A) 85
B) 90
C) 70
D) 80
Answer:
D) 80

Question 22.
If T = 4 years, P = ₹6500, A = ₹8840, then Rate of interest (R) = …………..%
A) 9%
B) 9.5%
C) 8%
D) 9.1%
Answer:
A) 9%

Question 23.
If P = ₹ 3000, R = 9% T = 2\(\frac {1}{2}\) y, then I = ………………?
A) ₹575
B) ₹685
C) ₹655
D) ₹675
Answer:
D) ₹675

Question 24.
If A = ₹ 15624, P = ₹12,600, R = 9% T = ……………?
A) 2\(\frac{1}{3}\)Y
B) 2\(\frac{2}{3}\)Y
C) 3\(\frac{1}{2}\)Y
D) 3\(\frac{2}{3}\)Y
Answer:
B) 2\(\frac{2}{3}\)Y

Question 25.
At what rate a sum triples itself in 8 years 4 months?
A) 30%
B) 18%
C) 12%
D) 24%
Answer:
D) 24%

Question 26.
The population of a village is 10,000 in the year 2012. The population increases 5% on every year then its population on 2015?
A) 11500
B) 11576
C)11570
D)11575
Answer:
A) 11500

Question 27.
Which of the following is in proportion?
A) 1 : 2 = 3 : 4
B) 4 : 11 = 7 : 8
C) 5 : 9 = 18 : 10
D) 32 : 64 = 6 : 12
Answer:
D) 32 : 64 = 6 : 12

Question 28.
Which of the following is not in proportion?
A) 4 : 11 = 2 : 5
B) 25 : 1 = 40 : 1.6
C) 90 : 30 :: 36 : 12
D) 22 : 11 : : 12 : 6
Answer:
A) 4 : 11 = 2 : 5

Question 29.
A road map represents 1 cm = 18 km then 72 km = …………….cm.
A) 14 cm
B) 4 cm
C) 8 cm
D) 2 cm
Answer:
B) 4 cm

Question 30.
The percentage of shaded portion is

A) 40%
B) 16%
O 30%
D) 25%
Answer:
D) 25%

Question 31.
From the above sum the percentage of unshaded portion is?
A) 75%
B) 70%
C) 80%
D) 85%
Answer:
A) 75%

Question 32.
Formula for simple interest is I = ………………?
A) \(\frac{\text { PTR }}{100}\)
B) \(\frac{\text { TR }}{\mathrm{P} \times 100}\)
C) \(\frac{\mathrm{PR}}{100 \times \mathrm{T}}\)
D) \(\frac{\mathrm{PT}}{100 \times \mathrm{R}}\)
Answer:
A) \(\frac{\text { PTR }}{100}\)

Question 33.
Compound interest (C.I) = ……………….?
A) A – P
B) A + P
C) P + I
D) P – I
Answer:
A) A – P

Question 34.
Amount = ………………..?
A) P + I
B) P -1
C) P × I
D) None
Answer:
A) P + I

Question 35.
S.P – C.P = ……………….?
A) loss
B) profit
C) M.P
D) None
Answer:
B) profit

Question 36.
Loss = ……………….?
A) S.P – C.P
B) S.P + C.P
C) C.P – S.P
D) None
Answer:
C) C.P – S.P

Question 37.
Gain % = ……………..?
A) \(\frac{\text { Profit }}{\text { S.P }}\) × 100
B) \(\frac{\text { Profit } \times \mathrm{C.P}}{100}\)
C) \(\frac{\text { Profit }}{\text { C.P }}\) × 100
D) \(\frac{\text { C.P }}{\text { Profit }}\) × 100
Answer:
C) \(\frac{\text { Profit }}{\text { C.P }}\) × 100

Question 38.
Percentage increase in price = ……………?

Answer:

Question 39.
Discount is calculated on ……………
A) C.P
B) Loss
C) S.P
D) Marked price
Answer:
D) Marked price

Question 40.
a : b and c : d are in proportion then
A) ad = bc
B) ac = bd
C) ab = cd
D) none
Answer:
A) ad = bc

Question 41.
A car takes 3\(\frac {1}{2}\) hours to cover a distance 2of 227.5 km then how much time does it take to cover 487.5 km ?
A) 5\(\frac {1}{2}\) hrs
B) 6\(\frac {1}{2}\) hrs
C) 7\(\frac {1}{2}\) hrs
D) 8\(\frac {1}{2}\) hrs
Answer:
C) 7\(\frac {1}{2}\) hrs

Question 42.
28% of a number is 168. Then 82% of it is
A) 438
B) 492
C) 600
D) 392
Answer:
B) 492

Question 43.
‘A’ sells a watch to ‘B’ at a gain of 10%. If B pays ₹ 330 for it; what is the cost price for
A?
A) ₹ 320
B) ₹ 340
C) ₹ 300
D) ₹ 310
Answer:
C) ₹ 300

Question 44.
Last year the price of a commodity was ₹ 80; this year the price goes up by ₹? 20. Find percentage increase.
A) 20%
B) 25%
C) 100%
D) 80%
Answer:
B) 25%

Question 45.
Out of 9000 voters of in a Krosur village 75% voted . Number of voters didn’t vote ?
A) 6750
B) 2500
C) 2250
D) 6250
Answer:
C) 2250

Question 46.
Sachin played 120 matches in his carrier. If he succeed 85% of matches, then number of matches he succeeded?
A) 112
B) 104
C) 98
D) 102
Answer:
D) 102

Question 47.
If C.P of 11 books is equal to S.P of 15 books then ………………?
A) 33\(\frac {1}{3}\)% – Loss
B) 33\(\frac {1}{3}\) % – Profit
C) 30% – Loss
D) 25% – Loss
Answer:
B) 33\(\frac {1}{3}\) % – Profit

Question 48.
An article is brought for ₹240 and sold it for ₹300 then the gain% is?
A) 30%
B) 25%
C) 24%
D) 35%
Answer:
A) 30%

Question 49.
Anji sold a land for ₹3,00,000 and gain 20% then how much did he purchase it?
A) 2,75,000
B) 2,25,000
C) 2,00,000
D) 2,50,000
Answer:
D) 2,50,000

Question 50.
The marked price of a cell phone is ₹5000 the shopkeeper allows a discount of 25% on it. Then its S.P = ………………?
A) ₹2750
B) ₹1250
C) ₹3750
D) ₹3250
Answer:
C) ₹3750

Question 51.
A dealer allows a discount of 10% and still gains by 10%. What should be the marked price if the cost price is ₹900?
A) ₹1100
B) ₹?1000
C) ₹1200
D) ₹800
Answer:
A) ₹1100

Practice the AP 7th Class Science Bits with Answers Chapter 2 Acids and Bases on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 7th Class Science Bits 2nd Lesson Acids and Bases with Answers

Choose the correct answer.

Question 1.
Which of the following is natural acid?
A) Citric acid
B) Hydrochloric acid
C) Oxalic acid
D) Acetic acid
Answer:
B) Hydrochloric acid

Question 2.
A blue litmus turns red when it reacts with
A) Salt
B) Base
C) Acid
D) None of these
Answer:
C) Acid

Question 3.
Name the acid present in lemon juice
A) Acetic acid
B) Citric acid
C) Propanic acid
D) Hydrochloric acid
Answer:
B) Citric acid

Question 4.
Ant releases this acid.
A) Citric acid
B) Formic acid
C) Lactic acid
D) Oxalic acid
Answer:
B) Formic acid

Question 5.
When methyl orange is mixed with citiric acid it turns
A) Red
B) Pink
C) Yellow
D) Colourless
Answer:
A) Red

Question 6.
Phenolphthalein turns ………… in basic solution.
A) Red
B) Yellow
C) Pink
D) Green
Answer:
C) Pink

Question 7.
Lemon Juice + Marble =
A) Hydrogen
B) Carbon dioxide
C) Oxygen
D) Sulphur dioxide
Answer:
B) Carbon dioxide

Question 8.
Neutralization of Hydrochloric acid solution with Caustic soda solution gives
A) Sodium chloride
B) Sodium carbonate
C) Copper sulphate
D) None of the above
Answer:
A) Sodium chloride

Question 9.
The substance that turns blue litmus to red are ……….. in nature.
A) Acidic
B) Basic
C) Neutral
D) All the above
Answer:
A) Acidic

Question 10.
Turmeric paper is a natural
A) Salt
B) Acid
C) Base
D) Indicator
Answer:
C) Base

Question 11.
The substance that turns red litmus to blue are …………. in nature.
A) Acidic
B) Basic
C) Neutral
D) All the above
Answer:
B) Basic

Question 12.
Burning sensation of ant bite is caused by
A) Acetic Acid
B) Formic Acid
C) Uric Acid
D) Toxin
Answer:
B) Formic Acid

Question 13.
Vinegar consist acid
A) Acetic
B) Citric
C) Lactic
D) Oxalic
Answer:
A) Acetic

Question 14.
Malic Acid present in
A) Orange
B) Amla
C) Apples
D) Tea
Answer:
C) Apples

Question 15.
The substances which are soapy to touch are …………. in nature.
A) Acids
B) Bases
C) Salts
D) Minerals
Answer:
B) Bases

Question 16.
Ammonium Hydroxide is used in ………….. cleaning.
A) Glass
B) Tiles
C) Granites
D) All the above
Answer:
A) Glass

Question 17.
Methyl Orange gives red colour with
A) Acids
B) Bases
C) Salts
D) All the above
Answer:
A) Acids

Question 18.
Methyl Orange gives yellow colour with ………
A) Acids
B) Bases
C) Salts
D) All the above
Answer:
B) Bases

Question 19.
Pickles, jams, jellie ‘s are not preser-container.
A) Metallic
B) Glass
C) Porcelain
D) Plastic
Answer:
A) Metallic

Question 20.
Copper reacts with and forms blue-green layer.
A) Acids
B) Bases
C) Salts
D) Neutrals
Answer:
A) Acids

Question 21.
Henry Cavendish, an Italian discovered
A) Oxygen
B) Nitrogen
C) Copper
D) Hydrogen
Answer:
D) Hydrogen

Question 22.
Acid rains are the combination of ……….. acids.
A) Sulphuric
B) Nitric
C) Carbonic
D) All the above
Answer:
D) All the above

Question 23.
Egg shells release …………… gas when it reacts with acids.
A) Oxygen
B) Carbon dioxide
C) Hydrogen
D) Helium
Answer:
B) Carbon dioxide

Question 24.
One of the following manure increase salinity of the soil
A) Organic
B) Chemical
C) Bio
D) All of these
Answer:
B) Chemical

Question 25.
Ammonium Hydroxide is useful to remove stains of
A) Grease
B) Blood
C) Tea
D) Ink
Answer:
A) Grease

Question 26.
Aluminum hydroxide is useful to stop
A) Rains
B) Floods
C) Fire
D) Pollution
Answer:
C) Fire

Question 27.
We lose some salts through
A) Digestion
B) Reproduction
C) Excretion
D) Respiration
Answer:
C) Excretion

Question 28.
Carbonic acids present in ………..
A) Eggs
B) Cool drinks
C) Cakes
D) Meat
Answer:
B) Cool drinks

Question 29.
When lime water is sprayed on turmeric paper, its colour is
A) Yellow
B) Blue
C) green
D) Red
Answer:
D) Red

Question 30.
Following is a natural indicator
A) Turmeric
B) Methyl
C) Phenolphthalein
D) Methyl orange
Answer:
A) Turmeric

Question 31.
The subsances that are soapy to touch
A) Acids
B) Basics
C) Neutrals
D) Minerals
Answer:
B) Basics

Question 32.
Which litmus paper do you use to test acids?
A) Red
B) Blue
C) Orange
D) Green
Answer:
B) Blue

Question 33.
If the substance changed the red litmus in to blue it is an ………..
A) Acid
B) Basic
C) Neutral
D) All
Answer:
B) Basic

Question 34.
Acid present in apple’s
A) Citric acid
B) Lactic acid
C) Malic acid
D) Tannic acid
Answer:
C) Malic acid

Question 35.
Ascorbic acid is present in
A) Palm oil
B) Amla
C) Tea
D) Grapes
Answer:
B) Amla

Question 36.
Match the following.
i) Oxalic acid [ ] a) Tomato
ii) Lactic acid [ ] b) Tea
c) Curd
A) a, b
B) b, c
C) a, c
D) c, a
Answer:
C) a, c

Question 37.
Which one is used as an anti acid?
A) Mg(OH)₂
B) CuSO₄
C) AlSO₄
D) HCl
Answer:
A) Mg(OH)₂

Question 38.
Common name of ‘Magnesium Hydroxide’ is
A) King of chemical
B) Milk of Magnesium
C) Soap maker
D) Glass cleaner
Answer:
B) Milk of Magnesium

Question 39.
Chemical name of lime water is
A) Calcium hydroxide
B) Atnmonium Hydroxide
C) Sodium Hydroxide
D) Magnesium Hydroxide
Answer:
A) Calcium hydroxide

Question 40.
Base present in the soaps is
A) Calcium hydroxide
B) Ammonium Hydroxide
C) Sodium Hydroxide
D) Magnesium Hydroxide
Answer:
C) Sodium Hydroxide

Question 41.
What is the indicator used in this activity?

A) Lemon leaves
B) Methyl orange
C) Lemon juice
D) Blood
Answer:
B) Methyl orange

Question 42.
Reaction colour of Methyl orange with acids is
A) Red
B) Yellow
C) Pink
D) Black
Answer:
A) Red

Question 43.
Reaction colour of Methyl orange with base is
A) Yellow
B) Pink
C) Orange
D) Blue
Answer:
A) Yellow

Question 44.
Which indicator is colourless in acids?
A) Methyl orange
B) Phenolphthalein
C) Turmeric
D) Lemon juice
Answer:
B) Phenolphthalein

Question 45.
Which gas is discovered by Henry Cavendish?
A) H₂
B) O₂
C) Cl₂
D) Li
Answer:
A) H₂

Question 46.
The copper is coated with
A) Iron
B) Ledoxide
C) Tin
D) Steel
Answer:
C) Tin

Question 47.
Here the tested gas is

A) O₂
B) H₂
C) H₂O
D) Cl₂
Answer:
B) H₂

Question 48.
In this experiment the releasing gas is

A) O₂
B) H₂
C) CO₂
D) H₂O
Answer:
C) CO₂

Question 49.
When a magician cuts the lemon with the knife, it becomes red in colour. The material used on the knife may
A) Salt
B) Methyl orange
C) Rel litmus
D) Lime water
Answer:
B) Methyl orange

Question 50.
Methyl orange converts acids into X colour and bases to Y colour. What are X and Y
A) red, violet
B) violet, yellow
C) yellow, violet
D) red, yellow
Answer:
D) red, yellow

Question 51.
You find some stains on the mirror in your house. Which of these is used to remove the stains?
A) Ammonia
B) Ammonium Hydroxide
C) Phenolphthalein
D) Mythyl orange
Answer:
B) Ammonium Hydroxide

Question 52.
Basic solution converts red litmus into blue litmus. If you add the substance given below reverse happens
A) Baking Soda
B) Lime
C) Hydrochloric acid
D) Ammonium hydroxide
Answer:
C) Hydrochloric acid

Question 53.
Acid used in pulihora
A) Carbonic
B) Acetic acid
C) Citric acid
D) Oxalic acid
Answer:
C) Citric acid

Question 54.
The scientist who discovered hydrogen gas is
A) Joseph Priestly
B) Hendry Cavendish
C) Charles Darwin
D) Ernest Rutherford
Answer:
B) Hendry Cavendish

Question 55.
The following is acidic in nature
A) Grape juice
B) Bleaching powder solution
C) Soap solution
D) Lime water
Answer:
A) Grape juice

Question 56.
Identify the correct set of natural indicators.
A) Cucumber & melon
B) Turmeric & vinegar
C) Turmeric & rose petals
D) Hibiscus & melon
Answer:
C) Turmeric & rose petals

Practice the AP 7th Class Maths Bits with Answers Chapter 5 Triangle and Its Properties on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 7th Class Maths Bits 5th Lesson Triangle and Its Properties with Answers

Choose the correct answer.

Question 1.
In the figure x° =

A) 45°
B) 55°
C) 100°
D) 80°
Answer:
C) 100°

Question 2.
In the figure x°, y° are

A) 60°, 120°
B) 40°, 60°
C) 80°, 60°
D) 180°, 60°
Answer:
B) 40°, 60°

Question 3.
In the figure y° = ……………..

A) 45°
B) 55°
C) 90°
D) 35°
Answer:
C) 90°

Question 4.
If one acute angle of a right-angled triangle is 20°, the other angle is ……………..
A) 70°
B) 20°
C) 60°
D)80°
Answer:
A) 70°

Question 5.
In an isosceles triangle, the non-equal angle (verticele angle) is 40° then equal angles are
A) 60°, 60°
B) 80°, 80°
C) 140°, 140°
D) 70°, 70°
Answer:
D) 70°, 70°

Question 6.
From the given figure ⌊x = ………….?

A) 60°
B) 90°
C) 70°
D) 80°
Answer:
D) 80°

Question 7.
From the given figure ⌊y = …………..?

A) 130°
B) 60°
C) 20°
D) 120°
Answer:
D) 120°

Question 8.
From the given figure ⌊x – ⌊y = ?

A) 70°
B) 20°
C) 40°
D) 50°
Answer:
C) 40°

Question 9.
The exterior angle of an equilateral triangle is ……………..?
A) 60°
B) 90°
C) 120°
D) 30°
Answer:
C) 120°

Question 10.
If the measure of two angles of a triangle are 35°, 84°, then the third angle is ……………..?
A) 51°
B) 61°
C) 69°
D) 59°
Answer:
B) 61°

Question 11.
Three angles of a triangle are (x + 30°), 2x, (3x – 30°) then ⌊x = ……………..?
A) 30°
B) 60°
C) 20°
D) 15°
Answer:
A) 30°

Question 12.
In a right angled triangle one is 43° then the third angle is ……………….
A) 47°
B) 45°
C) 57°
D) 37°
Answer:
A) 47°

Question 13.
From the given figure ⌊y = …………….?

A) 40°
B) 50°
C) 60°
D) 75°
Answer:
B) 50°

Question 14.
In Δ ABC AB = AC then ⌊B = ……………..?

A) 58°
B) 68°
C) 48°
D) 116°
Answer:
A) 58°

Question 15.
The exterior angle of atriangle is 136° and its two opposite interior angles is 8 : 9 then the smallest angle of these two angles is …………….?
A) 54°
B) 72°
C) 64°
D) 66°
Answer:
C) 64°

Question 16.
Which of the following is an Isosceles triangle?

Answer:

Question 17.
Which of the following is an Right angled Isosceles triangle?

Answer:

Question 18.
Which of the following is not true?
A) A triangle has 3 sides, 3 angles and 3 vertices
B) The angle which is opposite to xy is ⌊Z in ΔXYZ
C) The side which is opposite to ⌊Q is \(\overline{\mathrm{QR}}\)
D) The vertex which is opposite to YZ is X.
Answer:
C) The side which is opposite to ⌊Q is \(\overline{\mathrm{QR}}\)

Question 19.
Which of the following measurements form a triangle?
A) 4 cm, 4 cm, 8 cm
B) 5 cm, 6 cm, 11 cm
C) 7 cm, 18 cm, 4 cm
D) 7 cm, 8 cm, 9 cm
Answer:
D) 7 cm, 8 cm, 9 cm

Question 20.
About a triangle which of the following is true?
A) be formed with collinear points
B) have more than one right angle
C) have two obtuse angles
D) have at least two acute angles
Answer:
D) have at least two acute angles

Question 21.
A triangle can have …………….. right angles.
A) 1
B) 2
C) 3
D) 0
Answer:
A) 1

Question 22.
A triangle can have …………….. obtuse angles.
A) 0
B) 1
C) 2
D) 3
Answer:
B) 1

Question 23.
The line joining a vertex and the mid point of its opposite side is called
A) side
B) altitude
C) height
D) median
Answer:
D) median

Question 24.
The perpendicular line segment joining a vertex and its opposite side is called
A) altitude
B) median
C) bisector
D) none
Answer:
A) altitude

Question 25.
In the figure ΔABC is a

A) equilateral
B) isosceles
C) scalene
D) right isosceles B
Answer:
B) isosceles

Question 26.
A triangle in which all the sides / angles are equal is called ……………. triangle.
A) an equilateral
B) an isosceles
C) right angled
D) scalene
Answer:
A) an equilateral

Question 27.
A triangle in which one angle is 90°, other two sides are equal is called …………… triangle.
A) Right angled
B) Right angled Isosceles
C) Isosceles
D) Equilateral
Answer:
B) Right angled Isosceles

Question 28.
A triangle in which each angle is less than 90° is called …………. triangle.
A) right angled
B) an obtuse angled
C) an acute angled
D) None
Answer:
C) an acute angled

Question 29.
A triangle in which one angle is greater than 90° is called ……………… angled triangle.
A) an Acute
B) right
C) an Obtuse
D) None
Answer:
C) an Obtuse

Question 30.
The point of concurrence of Medians of a triangle is called ……………
A) Circumcentre
B) Centroid
C) Orthocentre
D) Incentre
Answer:
B) Centroid

Question 31.
The altitude of an obtuse angled triangle lies …………….. of the triangle.
A) inside
B) outside
C) on the triangle
D) none
Answer:
B) outside

Question 32.
The sum of any two sides of a triangle must be ……………… the third side.
A) greater than
B) equal to
C) less than
D) none
Answer:
A) greater than

Question 33.
The exterior angle of a triangle must be ……………. of its two opposite interior angles.
A) greater than
B) less than
C) equal
D) none
Answer:
C) equal

Practice the AP 7th Class Maths Bits with Answers Chapter 4 Lines and Angles on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 7th Class Maths Bits 4th Lesson Lines and Angles with Answers

Choose the correct answer.

Question 1.
If p//q and ∠1 – 55° then ∠2 =
A) 55°
B) 35°
C) 145°
D) 110°

Answer:
A) 55°

Question 2.
The complementary angle for 72° is
A) 108°
B) 18°
C) 28°
D) 118°
Answer:
B) 18°

Question 3.
The supplementary angle for 65° is
A) 35°
B) 45°
C) 25°
D) 115°
Answer:
D) 115°

Question 4.
In the figure the value of x is

A) 60°
B) 120°
C) 90°
D) 180°
Answer:
A) 60°

Question 5.
In the figure l//m then the value of x is

A) 50°
B) 40°
C) 130°
D) 160°
Answer:
C) 130°

Question 6.
In the figure p//q then ∠a =

A) 65°
B) 25°
C) 115°
D) 35°
Answer:
C) 115°

Question 7.
The complementary angle of 45° is …………..
A) 90°
B) 45°
C) 135°
D) 55°
Answer:
B) 45°

Question 8.
The complementary angle of 89° is ……………
A) 1°
B) 90°
C) 91°
D) 9°
Answer:
A) 1°

Question 9.
If two angles are complement to each other and are equal, then the angles are?
A) (60°, 60°)
B) (89°, 89°)
C) (45°, 45°)
D) (90°, 90°)
Answer:
C) (45°, 45°)

Question 10.
The supplementary angle of 135° is …………….?
A) 35°
B) 65°
C) 55°
D) 45°
Answer:
D) 45°

Question 11.
If two angles are equal and supplement to each other, then they are ……………
A)(120°, 120°)
B) (60°, 120°)
C) (45°, 135°)
D) (90°, 90°)
Answer:
D) (90°, 90°)

Question 12.
The supplement of 30° is …………….
A) 140°
B) 160°
C) 150°
D) 60°
Answer:
C) 150°

Question 13.
Number of transversal lines can be drawn to two distinct lines are ……………?
A) 1
B) 2
C) infinite
D) None
Answer:
C) infinite

Question 14.
A transversal line intersects two distinct lines in …………… distinct points.
A) 0
B) 1
C) 2
D) infinite
Answer:
C) 2

Question 15.
From the adjacent figure ⌊x° = …………..?

A) 10°
B) 11°
C) 55°
D) 5°
Answer:
B) 11°

Question 16.
From the adjacent figure ⌊y – [⌊x + ⌊z] = …………….

A) 120°
B) 140°
C) 20°
D) 180°
Answer:
A) 120°

Question 17.
From the adjacent figure ⌊x = ………………

A) 61°
B) 51°
C) 41°
D) 50°
Answer:
B) 51°

Question 18.
From the adjacent figure ⌊p = …………….

A) 100°
B) 70°
C) 80°
D) 60°
Answer:
C) 80°

Question 19.
From the given figure l || BC, ⌊x + ⌊z = ……………….?

A) 35°
B) 85°
C) 60°
D) 120°
Answer:
D) 120°

Question 20.
From the given figure ⌊Q = ?

A) 120°
B) 60°
C) 70°
D) 30°
Answer:
B) 60°

Question 21.
In the given figure one pair of adjacent angle is

A) ∠AOB, ∠COD
B) ∠AOB, ∠AOC
C) ∠FOE, ∠FOD
D) ∠EOD, ∠DOC
Answer:
D) ∠EOD, ∠DOC

Question 22.
Which of the following pairs of angles are not complementary?
A) (45°, 55°)
B) (35°, 55°)
C) (23°, 67°)
D) (49°, 41°)
Answer:
A) (45°, 55°)

Question 23.
Which of the following pairs of angles are supplementary angles?
A) (90°, 89°)
B) (105°, 85°)
C) (125°, 55°)
D) (64°, 136°)
Answer:
C) (125°, 55°)

Question 24.
Which of the following is not correct?
A) Each angle in any pair of complementary angles is always acute.
B) Two acute angles can’t form a supplementary angle.
C) Two right angles form a supplementary angle.
D) If the sum of two angles is supplementary then each of them is an obtuse angle.
Answer:
D) If the sum of two angles is supplementary then each of them is an obtuse angle.

Question 25.
From the given figure. A pair of adjacent angles is?

A) ⌊a, ⌊c
B) ⌊d, ⌊f
C) ⌊b, ⌊e
D) ⌊f, ⌊a
Answer:
D) ⌊f,⌊a

Question 26.
Which of the following is an acute angle?

Answer:

Question 27.
Which of the following is not true?
A) Any pair of supplementary angles are adjacent.
B) Any pair of adjacent angles form a supplementary angle.
C) Any pair of complementary angles are adjacent.
D) Any pair of adjacent angles doesn’t form a complementary angle.
Answer:
B) Any pair of adjacent angles form a supplementary angle.

Question 28.
If two angles are supplementary then they are
A) both acute
B) both obtuse
C) one acute and one obtuse
D) can’t be determined
Answer:
D) can’t be determined

Question 29.
In the figure ∠2 = ∠5 then the lines are

A) parallel
B) Intersecting
C) perpendicular
D) can’t be determined
Answer:
B) Intersecting

Question 30.
From the given angles are?

A) ⌊ZOY & ⌊ROX
B) ⌊ZOP & ⌊ROQ
C) ⌊POY & ⌊QOY
D) ⌊ROX & ⌊XOY
Answer:
C) ⌊POY & ⌊QOY

Question 31.
Which of the following is not a vertically opposite angle?
A) Angles between legs of a folding cot
B) Angles between scissors
C) Angles between door and wall
D) Angles between legs of folding a chair
Answer:
C) Angles between door and wall

Question 32.
The angles which have common arm are called ……………… angles.
A) interior
B) exterior
C) vertically opposite angles
D) adjacent
Answer:
D) adjacent

Question 33.
The sum of two angles is 90°. Then they are called …………… angles.
A) Reflex
B) Straight
C) Complementary
D) Supplementary
Answer:
C) Complementary

Question 34.
The sum of two angles is 180°. Then they are called …………… angles.
A) Supplementary
B) Complementary
C) Reflex
D) Complete
Answer:
A) Supplementary

Question 35.
If two or more lines meet in a single point then the lines are called concurrent lines. The point where they intersect is called
A) Intersecting point
B) Point of contact
C) Orthocentre
D) Centroid
Answer:
B) Point of contact

Question 36.
From the given figure \(\overline{\mathbf{O A}}\), \(\overline{\mathbf{O B}}\) are called

A) angles
B) rays
C) arms
D) lines
Answer:
C) arms

Question 37.
Supplementary of an angle is three times the angle then the angle is
A) 60°
B) 45°
C) 40°
D) 90°
Answer:
A) 60°

Question 38.
From the given figure ⌊a : ⌊b = 2 : 1 then ⌊c – ⌊d = ?

A) 0°
B) 90°
C) 120°
D) 60°
Answer:
D) 60°

Question 39.
From the given figure ⌊p : ⌊q = 2 : 3 then ⌊r = ?

A) 144°
B) 36°
C) 72°
D) 108°
Answer:
C) 72°

Question 40.
From the given figure ⌊x = ?

A) 111°
B) 101°
C) 112°
D) 79°
Answer:
A) 111°

Question 41.
From the given figure ⌊x = ?

A) 60°
B) 50°
C) 70°
D) 90°
Answer:
A) 60°

Question 42.
AB line segment is denoted by
A) \(\stackrel{\leftrightarrow}{\mathrm{AB}}\)
B) • AB\(\)
C) \(\overline{\mathrm{AB}}\)
D) \(\overrightarrow{\mathrm{AB}}\)
Answer:
C) \(\overline{\mathrm{AB}}\)

Question 43.
AB ray is denoted by
A) \(\overleftarrow{\mathrm{AB}}\)
B) \(\overrightarrow{\mathrm{AB}}\)
C) \(\overleftrightarrow{\mathrm{AB}}\)
D) \(\overline{\mathrm{AB}}\)
Answer:
B) \(\overrightarrow{\mathrm{AB}}\)

Question 44.
Which of the following are not pairs of complementary angles?

Answer:

Question 45.
Which of the following are not adjacent angles?

Answer:

Question 46.
Which of the following are not intersecting lines?

Answer:

Practice the AP 7th Class Science Bits with Answers Chapter 1 Food Components on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 7th Class Science Bits 1st Lesson Food Components with Answers

Choose the correct answer.

Question 1.
Food supplies
A) Energy
B) Strength
C) Everything
D) Heat
Answer:
A) Energy

Question 2.
Solution used for testing starch
A) Sodium hydroxide
B) Copper sulphate
C) Iodine
D) None
Answer:
C) Iodine

Question 3.
These are a kind of carbohydrates that our body fails to digest.
A) Rice
B) Wheat
C) Beverages
D) Roughages
Answer:
D) Roughages

Question 4.
This contains more water.
A) Brinjal
B) Onion
C) Melons
D) Lady’s finger
Answer:
C) Melons

Question 5.
This help the food to move easily in the digestive tract.
A) Milk
B) Curd
C) Oils
D) Water
Answer:
D) Water

Question 6.
Balanced diet is
A) Costly
B) Cheap
C) Not very costly
D) Not cheap
Answer:
C) Not very costly

Question 7.
This food causes damages to our digestive system
A) Junk food
B) Staple food
C) Ready made food
D) Salads
Answer:
A) Junk food

Question 8.
The founder of modern science of nutrition was
A) Franklin
B) Lind
C) Lavoisier
D) Jenner
Answer:
C) Lavoisier

Question 9.
‘Scurvy’ was discovered by
A) Lind
B) Lavoisier
C) Jenner
D) J.C. Bose
Answer:
A) Lind

Question 10.
This prevents constipation
A) Water
B) Dietary fibres
C) Fats
D) Proteins
Answer:
B) Dietary fibres

Question 11.
We need energy while sleeping to maintain
A) Breathe
B) Blood circulation
C) Heart beat
D) All the above
Answer:
D) All the above

Question 12.
Presence of starch is tested by using
A) Iodine
B) Calcium
C) Iron
D) Sodium
Answer:
A) Iodine

Question 13.
Dilute Iodine appears in ……….. colour.
A) Light yellow
B) Blue
C) Pink
D) Green
Answer:
A) Light yellow

Question 14.
In iodine test starch converts into ………… colour.
A) Light yellow
B) Blue
C) Pink
D) Green
Answer:
B) Blue

Question 15.
Carbohydrates are rich in
A) Rice
B) Wheat
C) Potatoes
D) All the above
Answer:
C) Potatoes

Question 16.
Change of colour to violet or purple confirms presence of
A) Carbohydrate
B) Fats
C) Proteins
D) Vitamins
Answer:
C) Proteins

Question 17.
Growing children need more
A) Starch
B) Proteins
C) Fats
D) Minerals
Answer:
B) Proteins

Question 18.
………… help in free bowel movement in the digestive tract.
A) Proteins
B) Vitamins
C) Fats
D) Roughage
Answer:
D) Roughage

Question 19.
Junk food causes damages to our ……….. system.
A) Respiratory
B) Digestive
C) Nervous
D) All the above
Answer:
B) Digestive

Question 20.
Scurvy is cured by eating
A) Fresh fruits
B) Meat
C) Egg
D) Rice
Answer:
A) Fresh fruits

Question 21.
Major component in the food is
A) Carbohydrates
B) Proteins
C) Fats
D) Vitamins
Answer:
A) Carbohydrates

Question 22.
Fibers are the sources from
A) Rice
B) Pulses
C) Vegetables & Fruits
D) Salts
Answer:
C) Vegetables & Fruits

Question 23.
One man suffering from constipation, which component is less in his food?
A) Carbohydrates
B) Proteins
C) Fats
D) Roughages
Answer:
D) Roughages

Question 24.
Iodine soluton is used in the test of
A) Starch
B) Glucose
C) Fats
D) Proteins
Answer:
A) Starch

Question 25.
The Iodine converts the colour of starch as
A) Red
B) Blue
C) Yellow
D) Green
Answer:
B) Blue

Question 26.
Paper translucent test is used for
A) Carbohydrates
B) Fats
C) Proteins
D) Minerals
Answer:
B) Fats

Question 27.
In the Proteins test we use
A) 2% Copper sulphate
B) 10% Sodium Hydroxide
C) 2% Copper oxide
D) Both A and B
Answer:
D) Both A and B

Question 28.
Which of the following is a good food item?
A) Milk
B) Rice
C) Potato
D) Apple
Answer:
A) Milk

Question 29.
The aim of the given experiment is

A) Need of water ih the body.
B) How the cotton moves?
C) How to close the glass pipe?
D) Filling the glass tube with cotton.
Answer:
A) Need of water ih the body.

Question 30.
It is good to wash the fruits in
A) Water
B) Salt water
C) Hot water
D) Cool water
Answer:
B) Salt water

Question 31.
Generally fruits peels contains
A) Carbohydrates
B) Proteins
C) Fibre
D) Minerals
Answer:
C) Fibre

Question 32.
Good water sources of fruit is
A) Apple
B) Guava
C) Water melon
D) Banana
Answer:
C) Water melon

Question 33.
Oil, ghee, butter are sources of
A) Carbohydrates
B) Proteins
C) Fats
D) Minerals
Answer:
C) Fats

Question 34.
Which of the following are very less amount in our food?
A) Proteins
B) Fats
C) Carbohydrates
D) Vitamins
Answer:
D) Vitamins

Question 35.
Food habits of people depend upon
A) Climate
B) Availability
C) Cultural practices
D) All
Answer:
D) All

Question 36.
Which of the following diseases is cured by food
A) Scurvy
B) Malaria
C) Fever
D) Heart enlarge
Answer:
A) Scurvy

Question 37.
The material your teacher added to solution of rice powder to prove the starch test is
A) Copper sulphate
B) Iodine solution
C) Megnisium Oxide
D) Blue litmus
Answer:
B) Iodine solution

Question 38.
Which of the following avoids constipation?
A) Proteins
B) Fibers
C) Carbohydrates
D) Salts
Answer:
B) Fibers

Question 39.
Kalyan wants to test the nutrients in the starch powder.
He added Iodine drops. What colour may he have observed in the test tube?
A) Blue or black
B) Violet
C) Yellow
D) No colour
Answer:
A) Blue or black

Question 40.
Match the following.
1) Fibres — a) energy giving
2) Proteins — b) avoid constipation
3) Carbohydrates — c) body building
Choose the right one.
A) 1 – a, 2 – b, 3 – c
B) 1 – b, 2 – c, 3 – a
C) 1 – c, 2, a, 3 – b
D) 1 – b, 2 – a, 3 – c
Answer:
B) 1 – b, 2 – c, 3 – a

Question 41.
For testing starch ………… solution is used.
A) Iodine
B) Chlorine
C) Alcohol
D) Copper sulphate
Answer:
A) Iodine

Question 42.
Identify the food component that should be consumed sparingly.
A) Cereals
B) Pulses
C) Ghee
D) Oil
Answer:
C) Ghee

Question 43.
Which of the following is the richest source of roughages?
A) Milk
B) Fish
C) Curd
D) Leafy vegetables
Answer:
D) Leafy vegetables

Question 44.
Identify the food component that helps in free bowel movement in the digestive tract.
A) Fat
B) Roughage
C) Vitamins
D) Minerals
Answer:
B) Roughage

Question 45.
The following food item is the RICHEST source of starch
A) Milk
B) Spinach/palak
C) Egg
D) Rice
Answer:
D) Rice

Practice the AP 7th Class Maths Bits with Answers Chapter 3 Simple Equations on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 7th Class Maths Bits 3rd Lesson Simple Equations with Answers

Choose the correct answer.

Question 1.
Solution of 2x + 5 = 13 is
A) 9
B) 4
C) – 9
D) – 4
Answer:
B) 4

Question 2.
LHS of the equation 2(x – 3) = 5(2x + 4) is
A) 2
B) x – 3
C) 2(x – 3)
D) 5(2x + 4)
Answer:
C) 2(x – 3)

Question 3.
2x + 5 = K then x =
A) K – 5
B) \(\frac{\mathrm{K}-5}{2}\)
C) \(\frac{\mathrm{K}+5}{2}\)
D) \(\frac{\mathrm{K}}{2}\) – 5
Answer:
B) \(\frac{\mathrm{K}-5}{2}\)

Question 4.
L.H.S of 4x – 5 = 3 is ?
A) 3
B) 4x – 5
C) -5
D) 4x
Answer:
B) 4x – 5

Question 5.
R.H.S of 2 = y – 5 is
A) y – 5
B) 2
C) y
D) – 5
Answer:
A) y – 5

Question 6.
If y = – 2 then 3 + y = ………………?
A) 1
B) – 1
C) 0
D) 4
Answer:
A) 1

Question 7.
If \(\frac{-9}{z}\) = \(\frac{-11}{5}\) then – (z) = ………………?
A) \(\frac{45}{11}\)
B) \(\frac{-11}{45}\)
C) \(\frac{-45}{11}\)
D) \(\frac{11}{45}\)
Answer:
C) \(\frac{-45}{11}\)

Question 8.
If 198 = 25 z – 2 ⇒ z = ……………..?0
A) \(\frac{-1}{8}\)
B) \(\frac{1}{8}\)
C) – 8
D) 8
Answer:
D) 8

Question 9.
7x – 11 = 7 – 11 x ⇒ x = ……………….?
A) – 1
B) 2
C) 1
D) 0
Answer:
C) 1

Question 10.
4x – 3 = 3x – 4 ⇒ x = ……………….
A) 1
B) – 1
C) 0
D) \(\frac {1}{7}\)
Answer:
B) – 1

Question 11.
3(x – 3) = 5 (2x + 1) ⇒ x = ………………?
A) – 2
B) 2
C) 1
D) – 1
Answer:
A) – 2

Question 12.
The length of the line segment if x = 2cm is
A) 4cm
B) 8cm
C) 6 cm
D) 16cm

Answer:
B) 8cm

Question 13.
A number increased by 7 is represented as
A) x – 7
B) 7x
C) \(\frac{x}{7}\)
D) 7 + x
Answer:
D) 7 + x

Question 14.
A quantity with positive sign when taken to other side of the equation, then its sign becomes
A) +
B) ×
C) ÷
D) –
Answer:
D) –

Question 15.
A quantity which divides LH.S of an equation ……………. the R.H.S.
A) add
B) subtract
C) multiplies
D) divides
Answer:
C) multiplies

Question 16.
Age of a girl is 11 years what is the age after x years?
A) x
B) 11 + x
C) 11 – x
C) 11x
Answer:
B) 11 + x

Question 17.
Sum of two numbers is 29. If one number is x then the other is
A) 29 + x
B) 29x
C) x – 29
D) 29 – x
Answer:
D) 29 – x

Question 18.
3 times a number exceeds 20 by 2. How do you represent this ?
A) 3x + 2 = 20
B) 3x = 22
C) 3x = 16
D) 3x – 2 = 22
Answer:
B) 3x = 22

Question 19.
If 3 is subtract from twice of a number is equal to 27 then the number is ………………?
A) 30
B) -15
C) 15
D) 10
Answer:
C) 15

Question 20.
The lengths of two of a scale are p,q units then its total length is ……………..?
A) p ÷ q
B) p – q
C) P × q
D) p + q
Answer:
D) p + q

Question 21.
5 is added to thrice of a number give 47 then the number is ………………..
A) 14
B) 15
C) 13
D) 21
Answer:
A) 14

Question 22.
A number is multiplied by 13 and reduced by 7 gives. Then the number is ……………..?
A) 8
B) 7
C) 6
D) 5
Answer:
C) 6

Question 23.
The sum of three consecutive integers is 30 then the least number is …………….?
A) 7
B) 8
C) 9
D) 10
Answer:
C) 9

Question 24.
From the given figure the perimeter of a rectangle is ……………… units.

A) 2p
B) 2q
C) 0
D) pq
Answer:
A) 2p

Question 25.
From the given fig ∠x° = ……………..?

A) 18°
B) 54°
C) 72°
D) 36°
Answer:
D) 36°

Question 26.
The sum of two numbers isl6. If one of them is p, then the other number is ……………..
A) 16 + p
B) 16 – p
C) 16 ÷ p
D) 16 × p
Answer:
B) 16 – p

Question 27.
If the present Age of Kiran is 15 years, then ‘y’ years later his age will be ……………? (years)
A) 15 + y
B) 15 – y
C) 15 × y
D) 15 ÷ y
Answer:
A) 15 + y

Question 28.
If a number exceeds \(\frac {2}{3}\) of itself by 7 then the number is ……………?
A) \(\frac {21}{2}\)
B) 14
C) 21
D) 7
Answer:
C) 21

Question 29.
The product of 3 consecutive integers is 120 then the greatest number is?
A) 4
B) 6
C) 8
D) 5
Answer:
B) 6

Practice the AP 7th Class Maths Bits with Answers Chapter 2 Fractions, Decimals and Rational Numbers on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 7th Class Maths Bits 2nd Lesson Fractions, Decimals and Rational Numbers with Answers

Choose the correct answer.

Question 1.
5 + \(\frac {8}{3}\) =
A) \(\frac {13}{3}\)
B) 7\(\frac {2}{3}\)
C) \(\frac {7}{3}\)
D) 2\(\frac {9}{5}\)
Answer:
B) 7 \(\frac {2}{3}\)

Question 2.
\(\frac {2}{3}\) rd of a cake was cut and distributed. The rest of the part is
A) \(\frac{2}{3}\)
B) \(\frac{1}{3}\)
C) \(\frac{4}{3}\)
D) \(\frac{5}{3}\)
Answer:
B) \(\frac{1}{3}\)

Question 3.
8 × \(\frac{2}{5}\) =
A) \(\frac{42}{5}\)
B) \(\frac{40}{5}\)
C) \(\frac{16}{5}\)
D) \(\frac{10}{5}\)
Answer:
C) \(\frac{16}{5}\)

Question 4.
\(\frac{2}{3}\) of \(\frac{5}{6}\) =
A) \(\frac{7}{9}\)
B) \(\frac{7}{3}\)
C) \(\frac{7}{6}\)
D) \(\frac{10}{18}\)
Answer:
D) \(\frac{10}{18}\)

Question 5.
Equalent fraction of \(\frac{4}{5}\) is ……………..
A) \(\frac{16}{15}\)
B) \(\frac{12}{20}\)
C) \(\frac{20}{25}\)
D) \(\frac{28}{30}\)
Answer:
C) \(\frac{20}{25}\)

Question 6.
\(\frac{11}{9}\) = ……………… ?
A) \(\frac{121}{99}\)
B) \(\frac{55}{36}\)
C) \(\frac{44}{45}\)
D) \(\frac{77}{54}\)
Answer:
A) \(\frac{121}{99}\)

Question 7.
3\(\frac{1}{3}\) + 4 \(\frac{2}{3}\) = ………………….?
A) \(\frac{1}{8}\)
B) 8
C) 7
D) \(\frac{22}{3}\)
Answer:
B) 8

Question 8.
1 – 6 \(\frac{7}{8}\) = …………………?
A) \(\frac{47}{8}\)
B) \(\frac{63}{8}\)
C) \(\frac{-45}{8}\)
D) \(\frac{-47}{8}\)
Answer:
D) \(\frac{-47}{8}\)

Question 9.
The dimensions of one rectangle are 2\(\frac {1}{3}\), 4\(\frac {1}{7}\) then its area is ……………. sq. units.
A) \(\frac{28}{3}\)
B) \(\frac{29}{3}\)
C) \(\frac{31}{3}\)
D) \(\frac{29}{7}\)
Answer:
B) \(\frac{29}{3}\)

Question 10.
From the above sum the perimeter of a rectangle is …………….. units.
A) \(\frac{135}{27}\)
B) \(\frac{136}{27}\)
C) \(\frac{272}{21}\)
D) \(\frac{136}{21}\)
Answer:
C) \(\frac{272}{21}\)

Question 11.
The total number of pages in a book are 7 \(\frac {1}{8}\) . If Gayatri read 5\(\frac {1}{8}\) pages, then number of pages are to be read?
A) 3
B) 2
C) 2\(\frac {1}{8}\)
D) 3\(\frac {1}{8}\)
Answer:
B) 2

Question 12.
5\(\frac {7}{6}\) × 1\(\frac {2}{37}\) = ……………?
A) \(\frac{39}{37}\)
B) \(\frac{37}{39}\)
C) \(\frac{2}{13}\)
D) \(\frac{13}{2}\)
Answer:
D) \(\frac{13}{2}\)

Question 13.
\(\frac {2}{5}\) of 15 – \(\frac {1}{3}\) of 12 = ……………?
A) 10
B) 0
C) 2
D) 1
Answer:
C) 2

Question 14.
\(\frac {1}{4}\) × = \(\frac {3}{20}\)
A) \(\frac{3}{5}\)
B) \(\frac{4}{5}\)
C) 3
D) \(\frac{1}{5}\)
Answer:
A) \(\frac{3}{5}\)

Question 15.
Lowest form of \(\frac {2}{7}\) × 3\(\frac {1}{2}\) × 1\(\frac {1}{5}\) × 2 \(\frac {1}{2}\) = …………………?
A) 3
B) 1/2
C) 4
D) \(\frac{1}{3}\)
Answer:
A) 3

Question 16.
2\(\frac{1}{3}\) ÷ 3\(\frac{4}{7}\) = ………………?
A) \(\frac{3}{25}\)
B) \(\frac{25}{3}\)
C) \(\frac{75}{49}\)
D) \(\frac{49}{75}\)
Answer:
D) \(\frac{49}{75}\)

Question 17.
The value of 23. 875 – 0.235 = ……………
A) 23.640
B) 21.640
C) 0.375
D) 25.105
Answer:
A) 23.640

Question 18.
10.05 × 1.05 = ………………?
A) 10.5225
B) 10.525
C) 10.5525
D) 10.5252
Answer:
C) 10.5525

Question 19.
A car uses 133 litre’s of petrol to run 190 kms. Then number of Its of petrol to run
110 kms is ………………..?
A) 77 litre’s
B) 87 litre’s
C) 66 litre’s
D) 63 litre’s
Answer:
A) 77 litre’s

Question 20.
Which is greater
\(\frac{7}{4}, \frac{9}{4}, \frac{8}{4}, \frac{11}{4}\)
A) \(\frac{7}{4}\)
B) \(\frac{9}{4}\)
C) \(\frac{8}{4}\)
D) \(\frac{11}{4}\)
Answer:
D) \(\frac{11}{4}\)

Question 21.
Which is lesser \(\frac{3}{5}, \frac{2}{5}, \frac{7}{5}, \frac{6}{5}\)?
A) \(\frac{3}{5}\)
B) \(\frac{2}{5}\)
C) \(\frac{3}{5}\)
D) \(\frac{3}{5}\)
Answer:
B) \(\frac{2}{5}\)

Question 22.
Arrange in ascending order \(\frac{2}{3}, \frac{5}{3}, \frac{6}{5}\)
A) \(\frac{2}{3}, \frac{5}{3}, \frac{6}{5}\)
B) \(\frac{5}{3}, \frac{2}{3}, \frac{6}{5}\)
C) \(\frac{2}{3}, \frac{6}{5}, \frac{5}{3}\)
D) \(\frac{6}{5}, \frac{5}{3}, \frac{2}{3}\)
Answer:
C) \(\frac{2}{3}, \frac{6}{5}, \frac{5}{3}\)

Question 23.
Which of the following fraction is greatest?
A) \(\frac{1}{2}\)
B) \(\frac{2}{5}\)
C) \(\frac{5}{8}\)
D) \(\frac{1}{3}\)
Answer:
C) \(\frac{5}{8}\)

Question 24.
Simplest form of \(\frac{\mathbf{3 7 5}}{\mathbf{1 0 0 0}}\) is ………………
A) \(\frac{3}{8}\)
B) \(\frac{8}{3}\)
C) \(\frac{5}{8}\)
D) \(\frac{3}{5}\)
Answer:
A) \(\frac{3}{8}\)

Question 25.
Which of the following is not correct (not equal)?
A) \(\frac{2}{3}=\frac{84}{75}\)
B) \(\frac{3}{8}=\frac{375}{1000}\)
C) \(\frac{70}{10}=\frac{7000}{1000}\)
D) \(\frac{25}{45}=\frac{125}{175}\)
Answer:
A) \(\frac{2}{3}=\frac{84}{75}\)

Question 26.
\(\frac {4}{7}\) × = \(\frac {32}{35}\)
A) \(\frac{8}{7}\)
B) \(\frac{8}{5}\)
C) \(\frac{7}{5}\)
D) \(\frac{7}{8}\)
Answer:
B) \(\frac{8}{5}\)

Question 27.
\(\frac{-12}{51}=\frac{(\mathbf{x})}{68}\) ⇒ x = ………………..?
A) 16
B) 48
C) – 48
D) – 16
Answer:
D) – 16

Question 28.
Which of the following statement is false?
A) Every rational number is an integer.
B) A rational number is in the form of p/q, q≠0
C) \(\frac{5}{7}, \frac{6}{11}, \frac{15}{11}\) are equalent fractions.
D) \(\frac{44}{48}=\frac{77}{96}\)
Answer:
D) \(\frac{44}{48}=\frac{77}{96}\)

Question 29.
\(\frac {11}{9}\) is a ……………… fraction.
A) proper
B) an improper
C) mixed
D) none
Answer:
B) an improper

Question 30.
The reciprocal of an improper fraction is a …………………. fraction.
A) proper
B) an improper
C) mixed
D) none
Answer:
A) proper

Question 31.
In 8376.705 the digit is in Hundreth place is ………………..
A) 7
B) 5
C) 0
D) 3
Answer:
C) 0

Question 32.
The place value of “tenths” digit in, 763.128 is ……………..
A) 8
B) 1
C) 2
D) 6
Answer:
B) 1

Question 33.
The place value of the digit ‘7’ in 19.171 is ………………?
A) tenths
B) hundreths
C) thousandths
D) tens
Answer:
B) hundreths

Question 34.
A number which in the form of p/q is called a ……………. number.
A) irrational
B) rational
C) real
D) integer
Answer:
B) rational

Question 35.
\(\frac{123}{1000}\) =
A) 1.23
B) 12.3
C) 0.123
D) 1230
Answer:
C) 0.123

Question 36.
1827.582 × 10 =
A) 18.7582
B) 182758.2
C) 18275.82
D) None
Answer:
C) 18275.82

Question 37.
3.82 × 100 =
A) 382
B) 38.2
C) 0.0382
D) 3820
Answer:
A) 382

Question 38.
Decimal form of 99 rupees 77 paise is ………………
A) 9.977
B) 99.77
C) 0.9977
D) 997.7
Answer:
B) 99.77

Question 39.
2407 gms = ……………… kgs.
A) 2.407
B) 24.07
C) 0.2407
D) 240.7
Answer:
A) 2.407

Question 40.
Expanded form of 1.11 is …………………
A) 1 × 1 + \(\frac{1}{100}\) + \(\frac{1}{1000}\)
B) 1 × 10 + \(\frac{1}{10}\) + \(\frac{1}{100}\)
C) 1 × 1 + \(\frac{1}{10}\) + \(\frac{1}{1000}\)
D) 1 × 1 + \(\frac{1}{10}\) + \(\frac{1}{100}\)
Answer:
D) 1 × 1 + \(\frac{1}{10}\) + \(\frac{1}{100}\)

Question 41.
43.071 × 100 = ……………….?
A) 43071
B) 0.43071
C) 4307.1
D) 430.71
Answer:
C) 4307.1

Question 42.
Standard form of 9 × 10 + 8 × \(\frac{1}{10}\) + 7 × \(\frac{1}{100}\) + 6 × \(\frac{1}{1000}\) = ………………?
A) 98.76
B) 9.0876
C) 9.876
D) 98.076
Answer:
B) 9.0876

Question 43.
95 mm = ……………… kms.
A) 0.000095
B) 0.00095
C) 0.0095
D) 0.95
Answer:
A) 0.000095

Question 44.
Which of the following shaded region represents 3/4th fraction.

Answer:

Question 45.
The shaded region represents ……………..
A) \(\frac{1}{2}\)
B) \(\frac{1}{3}\)
C) \(\frac{1}{4}\)
D) \(\frac{1}{5}\)
Answer:
C) \(\frac{1}{4}\)

Question 46.
The shaded region represents ……………..
A) \(\frac{2}{3}\)
B) \(\frac{3}{2}\)
C) \(\frac{1}{2}\)
D) \(\frac{1}{3}\)
Answer:
A) \(\frac{2}{3}\)

Question 47.
PictorIal representation of 3 × \(\frac{1}{4}\) = \(\frac{3}{4}\)

D) None
Answer:

Question 48.
Which of the following are not equal?
A) \(\frac{-2}{3}, \frac{-4}{6}\)
B) \(\frac{-1}{2}, \frac{-8}{6}\)
C) \(\frac{-1}{2}, \frac{-8}{16}\)
D) \(\frac{-1}{4}, \frac{-2}{8}\)
Answer:
B) \(\frac{-1}{2}, \frac{-8}{6}\)

Question 49.
Represent 3/4 on the number line?

D) None
Answer:

Practice the AP 7th Class Maths Bits with Answers Chapter 1 Integers on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 7th Class Maths Bits 1st Lesson Integers with Answers

Choose the correct answer.

Question 1.
8 + (- 11) =
A) 19
B) 3
C) – 3
D) – 19
Answer:
C) – 3

Question 2.
(- 7) + 5 =
A) – 12
B) 12
C) 35
D) – 2
Answer:
D) – 2

Question 3.
(- 6) – (- 3) =
A) – 3
B) – 9
C) 3
D) 9
Answer:
A) – 3

Question 4.
(- 4) × (- 6) =
A) – 24
B) 24
C) – 10
D) 10
Answer:
B) 24

Question 5.
(- 10) × (3) =
A) – 7
B) 13
C) 30
D) – 30
Answer:
D) – 30

Question 6.
Difference between – 5 and 5 is
A) 0
B) 10
C) – 10
D) 1
Answer:
B) 10, C) – 10

Question 7.
11 ÷ 0 =
A) 0
B) 11
C) 1
D) cannot determine
Answer:
D) cannot determine

Question 8.
1 × (-1) × 1 x (-1) × …………….. 11 times = ?
A) 1
B) – 1
C) 11
D) 0
Answer:
B) – 1

Question 9.
– 8 + 16 – 24 + 32 – 64 = ?
A) – 48
B) 48
C) 80
D) – 80
Answer:
A) – 48

Question 10.
7 – {7 – (7 – \(\overline{7-1}\))} = ……………?
A) 0
B) 7
C) 6
D) 1
Answer:
D) 1

Question 11.
(- 1) × 2 × (- 3) × 4 × (- 5) = ……….. ?
A) 60
B) 120
C) -120
D) – 240
Answer:
C) -120

Question 12.
(- 576) × 1153 × 405 × 0 × 11 = ………..?
A) 0
B) 11
C) – 50730
D) None of these
Answer:
A) 0

Question 13.
(- 289) ÷ (- 17) = …………….
A) \(\frac{1}{17}\)
B) – 17
C) 17
D) \(\frac{-1}{17}\)
Answer:
C) 17

Question 14.
(-1)^{odd number} + (-1)^{even number} = ……………..?
A) 1
B) 0
C) -1
D) 2
Answer:
B) 0

Question 15.
The temperature of particular day of a village Lambasingi is – 16°C. it is reduced to – 11°C on the next day, what is the present temperature?
A) 27°
B) – 27°
C) – 5°
D) 5°
Answer:
C) – 5°

Question 16.
What is the value of – 1 – 2 – 3 – 4 (- 16) = ………………?
A) -105
B) – 144
C) 136
D) -136
Answer:
D) -136

Question 17.
Kalyan has rupees of largest number of 3 digits. If he buys some things for rupees of smallest number of 3 – digits, then the money with Kalyan is?
A) ₹ 900
B) ₹ 899
C) ₹ 990
D) ₹ 890
Answer:
B) ₹ 899

Question 18.
What is the value of 15 × (- 25) × (- 4) × (- 10) = …………..?
A) – 15000
B) 15000
C) 14000
D) – 14000
Answer:
A) – 15000

Question 19.
What is the value of 42 × (- 5) + (- 8) × 5 = ……………?
A) 170
B) 250
C) – 250
D) -170
Answer:
C) – 250

Question 20.
Simplify : (\(\frac{-3}{4}\)) × (\(\frac{5}{-6}\)) × \(\frac{8}{7}\) × (\(\frac{-14}{5}\))
A) \(\frac {-1}{2}\)
B) – 2
C) 2
D) \(\frac {1}{2}\)
Answer:
B) – 2

Question 21.
Which of the following is correct?
A) 8 ÷ 0 = 0
B) 0 ÷ 11 = 11
C) (- 7) ÷ 0 = – 7
D) 0 ÷ (- 5) = 0
Answer:
D) 0 ÷ (- 5) = 0

Question 22.
Commutative law doesn’t hold for following operation?
A) Addition
B) Subtraction
C) Multiplication
D) None
Answer:
B) Subtraction

Question 23.
……………. × (- 12) = 132
A) – 12
B) 11
C) – 11
D) – 13
Answer:
C) – 11

Question 24.
Which of the following set doesn’t hold for commutative for subtraction?
A) N
B) Q
C) Z
D) None
Answer:
A) N

Question 25.
Number of integers between – 8 and 5 are?
A) 12
B) 11
C) 10
D) 13
Answer:
A) 12

Question 26.
Which of the following is not correct?
A) 2 × 0 = 0
B) 3 × 0 = 0
C) 4 ÷ 4- 0 = not defined
D) 0 ÷ 4 = 4
Answer:
D) 0 ÷ 4 = 4

Question 27.
Which of the following is correct?
A) a ÷ (-1) = a
B) (-a) ÷ 1 = a
C) (-a) ÷ (-1) = a
D) 1 ÷ a = a
Answer:
C) (-a) ÷ (-1) = a

Question 28.
a + b = b + a, this property is called
A) closure
B) commutative
C) associative
D) identity
Answer:
B) commutative

Question 29.
Which of the following is not in the natural numbers
A) additive identity
B) closure property w.r.t +
C) associative property w.r.t ×
D) commutative w.r.t +
Answer:
A) additive identity

Question 30.
If a gain of ₹ 10 is denoted by + 10, then a loss of ₹ 8 is denoted by
A) + 8
B) – 8
C) + 2
D) + 18
Answer:
B) – 8

Question 31.
a × b = b × a is a …………….. property.
A) Closure under addition
B) Distributive
C) Commutative under multiplication
D) Closer under multiplication
Answer:
C) Commutative under multiplication

Question 32.
a + (b + c) = (a + b) + c is a ……………. law ?
A) Associative under multiplication
B) Associative under addition
C) Commutative under addition
D) Closure under addition
Answer:
B) Associative under addition

Question 33.
Which of the following is an additive identity?
A) 1
B) -1
C) 0
D) None
Answer:
C) 0

Question 34.
Which of the following is a multiplicative identity?
A) 1
B) – 1
C) 0
D) None
Answer:
A) 1

Question 35.
Set of Integers = …………….?
A) N = {1, 2, 3 ……………}
B) W = {0,1, 2, …………..}
C) Z = {- 3, -2, -1, 0, 1, 2 ………….}
D) Q ={x/x ∈ p/q, q ≠ 0}
Answer:
C) Z = {- 3, -2, -1, 0, 1, 2 ………….}

Question 36.
Which of the following are in ascending order?
A) 8, 5, 0, – 1, – 7
B) – 8, – 5, 1, 2
C) 4, 3, 5, – 1, 7
D) – 1, 0, 1, – 5
Answer:
B) – 8, – 5, 1, 2

Question 37.
The descending order in the following is?
A) 8, 7, 6, 9, 10
B) 4, 2, – 1, – 3
C) -1, -2, -3, 0
D) -1, 0, 1, 2
Answer:
B) 4, 2, – 1, – 3

Question 38.
The digits between – 3 and 2
A) -2, 1, 0
B) -2, 1, 2
C) – 2, – 1, 1
D) -2, -1, 0, 1
Answer:
D) -2, -1, 0, 1

Question 39.
Sirisha has ₹25, she purchased certain items for ₹2, ₹8, ₹17 then the remaining money with her?
A) – ₹ 2
B) ₹ 2
C) – ₹ 3
D) None
Answer:
A) – ₹ 2

Question 40.
In a quiz every right answer carries 5 marks and every wrong answer (- 2) marks. If a total of 10 questions were asked of which 7 are correct, then the total score is ……………..?
A) 29
B) – 29
C) 36
D) -31
Answer:
A) 29

Question 41.
Represent 5 × (-2) on the number line?

Answer:

Question 42.
Represent 5 – (- 2) on the number line?

Answer:

Question 43.
Represent – 3 – (- 2) on the number line?


Answer:

Question 44.
Represent the largest negative number on the number line?

Answer:

Practice the AP 9th Class Social Bits with Answers Chapter 24 Traffic Education on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 9th Class Social Bits 24th Lesson Traffic Education with Answers

Choose the correct answer.

Question 1.
When the red traffic Sight is on, the vehicles should stop
A) Inside the ‘stop’ line
B) In the cross walk
C) In the intersection
D) Outside the stop line
Answer:
D) Outside the stop line

Question 2.
When the yellow traffic light is on
A) It allows the vehicles to pass
B) The vehicles that have passed the stop line may continue to pass
C) It allows the vehicles to turn left
D) The vehicles should speed up and pass
Answer:
B) The vehicles that have passed the stop line may continue to pass

Question 3.

A) A mandatory sign
B) A cautionary sign
C) An informatory sign
D) All the above
Answer:
A) A mandatory sign

Question 4.

A) A mandatory sign
B) An informatory sign
C) A cautionary sign
D) None of the above
Answer:
B) An informatory sign

Question 5.
the sign in the picture means

A) A right turn
B) A detour
C) Right reverse bend
D) A sharp right curve
Answer:
C) Right reverse bend

Question 6.
The sign in the picture means ail vehicles are allowed only to

A) left hair pin bend
B) go on the right side
C) go on straight
D) turn left
Answer:
D) turn left

Question 7.
We should not enter where we see ……. sign.
A) Mandatory
B) No entry
C) Cautionary
D) Information
Answer:
B) No entry

Question 8.
Parking at are the main cause for traffic jams.
A) Zebra Crossing
B) No Parking
C) Footpath
D) None of the above
Answer:
B) No Parking

Question 9.
Temporary license is valid upto ……….. months.
A) 5
B) 4
C) 6
D) 8
Answer:
C) 6

Question 10.
Age limit for transport vehicle is ………. years.
A) 20
B) 18
C) 21
D) 25
Answer:
D) 25

Question 11.
Enable the officials to …………. the vehicle of the drunken.
A) stop
B) permit
C) seize
D) counselling
Answer:
C) seize

Question 12.
Temporary License is called as
A) Trial
B) Learner’s License
C) Pre-Learner
D) None of the above
Answer:
B) Learner’s License

Question 13.
After learner’s license, the permanent license will provide with the days of
A) 20 – 50
B) 30 – 60
C) 30 – 180
D) 100 – 200
Answer:
C) 30 – 180

Question 14.
It is an offence to drive a vehicle without
A) Driving licence
B) Aadhar card
C) Petrol
D) Pollution checking
Answer:
A) Driving licence

Question 15.
Which of the following is divide the road into two parts?
A) Zebra crossing
B) Y-junction
C) T – Junction
D) Divider
Answer:
D) Divider

Question 16.
India occupies place in the network of road ways
A) 1st
B) 3rd
C) 4th
D) 2nd
Answer:
D) 2nd

Question 17.
Always carry a ………… while walking at night time
A) signal
B) stick
C) torch
D) water
Answer:
C) torch

Question 18.
Don’t use the ………. in any form while walking / crossing
A) luggage
B) things
C) stick
D) mobile phone
Answer:
D) mobile phone

Question 19.
No person shall drive any motor vehicle unless it is
A) registered
B) licensed
C) covered
D) none of these
Answer:
A) registered

Question 20.
Two -wheeler vehicler wear a …………… for safe journey
A) helmet
B) seat belt
C) shoes
D) sweater
Answer:
A) helmet

Question 21.
Movement of any vehicle from one place to another place is called
A) traffic
B) transport
C) vehicle
D) counselling
Answer:
A) traffic

Question 22.
The width of the foot path is
A) 2 Mts
B) 4 Mts
C) 5 Mts
D) 10 Mts
Answer:
A) 2 Mts

Question 23.
Every driver use oniy less ………… emission vehicles.
A) Oxygen
B) Methane
C) Carbon monoxide
D) Hydrogen
Answer:
C) Carbon monoxide

Question 24.
Every driver must hold …………. license.
A) Xerox
B) Traffic
C) Agent
D) Currrent driving
Answer:
D) Currrent driving

Question 25.
Red circles indicates
A) Punishment
B) What should be done
C) What should not be done
D) Danger
Answer:
C) What should not be done

Question 26.
The symbol of cautionary signs is
A) Triangle
B) Rectangle
C) Square
D) Rombus
Answer:
A) Triangle

Question 27.
Which of the following are information signs?
A) Red circles
B) Triangle signs
C) Blue rectangle signs
D) Green square signs
Answer:
C) Blue rectangle signs

Question 28.
Helmet shows a
A) to stop
B) to go
C) safe journey
D) move the vehicle
Answer:
C) safe journey

Question 29.
Drunken drivers should pay penalty in the
A) Court
B) Police station
C) RTA office
D) None of the above
Answer:
A) Court

Question 30.
Must use …………. clothing at night when walking outside built up area
A) Reflective
B) White
C) Red
D) Dark
Answer:
A) Reflective

Question 31.
One of the road safety slogan is
A) Small family – Happy family
B) (letter) Word is the weapon
C) Live and let live
D) None of the above
Answer:
C) Live and let live

Question 32.
Learner’s license provide per a period of
A) 1 year
B) 1 month
C) 2 months
D) 6 months
Answer:
D) 6 months

Question 33.
How much will pay by a driver penality without the driving license is
A) 10 thousand
B) 5 thousand
C) 2 thousand
D) 200 rupees
Answer:
C) 2 thousand

Question 34.
How much penality will pay by a driver without vehicle registration is
A) Rs. 1000
B) Rs. 2000
C) Rs. 3000
D) Rs. 4000
Answer:
A) Rs. 1000

Question 35.
In 2012 total number of accidents in Hyderabad city was
A) 2247
B) 2577
C) 4000
D) 2162
Answer:
B) 2577

Question 36.
The main reason for traffic jam is
A) Animals
B) Birds
C) Illiterates
D) Not following the rules and regulations
Answer:
D) Not following the rules and regulations

Question 37.
This is a cautionary sign

Answer:
A)

Question 38.
This is an information sign

Answer:
D)

Undoubtedly innovation of wheel created drastic change in transportation of goods as well as people. Due to increase of population, industrialisation, urbanisation and globalisation, there was a heavy increase of vehicular traffic. So systematic regulation is required to ensure free flow of traffic. Regulation is nothing but to ensure that every road user follow traffic rules. It is the respon-sibility of every end user of the road to follow traffic rules.
Read the para and answer the questions that follow.
Question 39.
What is the main reason for heavy increase of vehicular traffic?
A) Education
B) Tourism
C) Increase of population
D) None
Answer:
C) Increase of population

Question 40.
What is the responsibility of every road user?
A) Avoid the traffic rules
B) Bike racing
C) To follow traffic rules
D) Create inconvenient to others
Answer:
C) To follow traffic rules

Question 41.
What is required for free flow of traffic?
A) More people
B) Traffic lights
C) Systematic regulation
D) Over crowd
Answer:
C) Systematic regulation

Study the table and answer the following questions.

Question 42.
Which age group do you find more cases?
A) 20-25
B) 25 – 30
C) 45 – 50
D) 60 – 70
Answer:
B) 25 – 30

Question 43.
How many cases are there in the age group of 0 – 05?
A) 215
B) 345
C) 24
D) 38
Answer:
C) 24

Question 44.
How many cases are there in the age group 40-45?
A) 226
B) 215
C) 152
D) 40
Answer:
A) 226

Question 45.
Without of these, govt, not allowed the two wheelers
A) Helmet
B) Seat Belt
C) Petrol
D) None
Answer:
A) Helmet

Question 46.
The four wheeler (car) use this one compulsory.
A) Seat belt
B) Helmet
C) Petrol
D) None
Answer:
A) Seat belt

Question 47.
Match the following.

Answer:
1) C
2) E
3) A
4) B
5) D

Question 48.
The document which is not necessary to get Learners’ Lincence.
A) Ration card
B) Voter card
C) Aadhaar card
D) Credit card
Answer:
D) Credit card

Question 49.
The traffic signal shown here is:

A) Right hand curve
B) Right hair pin bend
C) Left hair pin bend
D) Right reverse bend
Answer:
D) Right reverse bend

Question 50.
In traffic signals “orange colour” indicate
A) Stop the vehicles
B) Ready to move the vehicles
C) Move the vehicles
D) Stop the vehicle transport
Answer:
B) Ready to move the vehicles

Question 51.
Which of these road signs indicates that vehicular traffic is prohibited in both the directions?

Answer:
B)

Practice the AP 9th Class Social Bits with Answers Chapter 23 Disaster Management on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 9th Class Social Bits 23rd Lesson Disaster Management with Answers

Choose the correct answer.

Question 1.
Mostly the disasters are caused because of human
A) negligence
B) intelligence
C) foolishness
D) none of the above
Answer:
A) negligence

Question 2.
…………. education is essential as any other basic skills of survival.
A) Basic
B) Road safety
C) Minimum
D) None of the above
Answer:
B) Road safety

Question 3.
Always walk on the ………….
A) roads
B) traffic islands
C) footpaths
D) zebra crossing
Answer:
C) footpaths

Question 4.
In case we see a victim in road accident, we may call ……… first.
A) 100
B) 104
C) 101
D) 108
Answer:
D) 108

Question 5.
The Bhagalpur district is in
A) Bihar
B) Assom
C) Odisha
D) Manipur
Answer:
A) Bihar

Question 6.
………….. is a phenomenon of combustion manifested in intense heat and light in the form of a glow.
A) Cyclone
B) Fire
C) Air
D) None of the above
Answer:
B) Fire

Question 7.
………….. can search the house much more quickly than you can.
A) Sportsmen
B) Women
C) Police
D) Fire fighters
Answer:
D) Fire fighters

Question 8.
There was bomb blast at ………….. in Hyderabad in 2013.
A) Ameerpet
B) Borabanda
C) Dilsukh Nagar
D) Lumbini
Answer:
C) Dilsukh Nagar

Question 9.
Mahatma preached
A) Truth and non-violence
B) Socialism
C) Welfare state
D) Terrorism
Answer:
A) Truth and non-violence

Question 10.
A safe place to cross the road is …………
A) Junction
B) Zebra crossing
C) Foot path
D) Road divider
Answer:
B) Zebra crossing

Question 11.
Pedestrains walk only on
A) → Mark
B) Junction
C) Foot path
D) Zebra crossing
Answer:
C) Foot path

Question 12.
At railway crossing pay attention to
A) Siron
B) Blue colour light
C) Yellow symbol
D) Signal
Answer:
D) Signal

Question 13.
At the time of fire accident make a phone call to ………. number
A) 101
B) 100
C) 200
D) 1100
Answer:
A) 101

Question 14.
………… has become common in certain areas of the world
A) Sports
B) Terrorism
C) Nationalism
D) Strikes
Answer:
B) Terrorism

Question 15.
…………. is necessary for every person to ride a vehicle.
A) Investment
B) Safety
C) Driving licence
D) Aadhar card
Answer:
C) Driving licence

Question 16.
The theme of the road safety week in 2006 was
A) Road safety and no accident
B) Save petrol – save money
C) Think and go
D) None of these
Answer:
A) Road safety and no accident

Question 17.
Air – India Flight was blown up on 23rd June 1985 by a
A) Technical problem
B) Pilot problem
C) Passengers
D) Bomb
Answer:
B) Pilot problem

Question 18.
What is the name of Air – India plane in 1985?
A) Kanishka -182
B)JamboJet
C) King fisher
D) Indigo blue
Answer:
A) Kanishka -182

Question 19.
The Kanishka – 182 plane was crashed into the
A) Indian ocean
B) Atlantic ocean
C) Pacific ocean
D) Arabian sea
Answer:
A) Indian ocean

Question 20.
In India ………. % of people were died in road accidents.
A) 20%
B) 50%
C) 13%
D) 15%
Answer:
D) 15%

Question 21.
Heat, fuel and oxygen are the three ingredients which cause a ………….
A) Road accident
B) Water accidents
C) Air accident
D) Fire accident
Answer:
D) Fire accident

Question 22.
Road safety week is observed in
A) March
B) June
C) January
D) April
Answer:
C) January

Question 23.
Motor cycle driver must wear a
A) Helmet
B) Seat belt
C) Shoes
D) Sweater
Answer:
A) Helmet

Question 24.
If you see the unkowned objects in the journey immediately you call to the police. The number is
A) 1000
B) 100
C) 101
D) 1100
Answer:
B) 100

Question 25.
Do not carry the ……….. objects while travelling in the train.
A) flammable
B) Stock
C) Secret
D) Valuable
Answer:
A) flammable

Question 26.
Do not use ……….. or ……….. up electric cables.
A) Worn, tape
B) Stock
C) Already used
D) None of the above
Answer:
A) Worn, tape

Question 27.
Terrorist attack was held in Hyderabad in 2013 at
A) Golkonda
B) Ameerpet
C) Chandini chowk
D) Dilsukh Nagar
Answer:
D) Dilsukh Nagar

Question 28.
If you see smoke or flames, you raise the
A) Alarm
B) Bell
C) Run away
D) Voice
Answer:
A) Alarm

Question 29.
The disasters that are caused because of human negligence or deliberately by an individual or a group can be termed as
A) Human – made
B) God – made
C) Nature – made
D) None of the above
Answer:
A) Human – made

Question 30.
Which of the following country has a largest network of Railways?
A) Nepal
B) Singapore
C) Maldieves
D) India
Answer:
D) India

Question 31.
Ulta Pool Bridge is in which district?
A) Bhagalpur
B) Nawada
C) Siwan
D) Gopal ganj
Answer:
A) Bhagalpur

Question 32.
If you see the road accident, you call to ………… number.
A) 101
B) 108
C) 100
D) 200
Answer:
B) 108

Question 33.
Don’t get ………… the signal barriers and cross them.
A) underneath
B) above the track
C) stand on the track
D) none of these
Answer:
A) underneath

Question 34.
Don’t stop the train on a or tunnel where evacuation is not possible.!
A) Road
B) Bridge
C) Turnings
D) Water
Answer:
B) Bridge

Question 35.
Most of the air accidents are occurred due to
A) passengers
B) technical problem
C) terrorism
D) bombs
Answer:
B) technical problem

Question 36.
This is the common in India like the world.
A) Natural calamities
B) Droughts
C) Murders
D) Terrorism
Answer:
D) Terrorism

Read the para given below and answer the question that follow.
In India about eighty thousand people are killed in road crashes every year which is thirteen percent of the total fatality all over the world. More than half of the people killed in traffic crashes are young people within the age group of 15-44 years who are often the bread winners of the family. In most of the cases crashes occur either due to carelessness, restlessness, over speed, violation of traffic rules, drunken driving, poor maintenance of the vehicle, bad weather conditions etc. All these add to the rising number of accidents and road fatalities. It has been estimated that in the year 2000 more than 3 percent of the Gross Domestic Product (GDP) was lost due to accidents. Hence, road safety education is as essential as any other basic skills of survival. The Road Safety Week is observed in January, every year throughout the country. The theme of the Road Safety Week in 2006 was ‘Road Safety and no Accident’.
Question 37.
How many people are loosing their lives every year in Road crashes?
A) 50, 000
B) 60, 000
C) 72, 000
D) 80, 000
Answer:
D) 80, 000

Question 38.
What is the age of bread winners of the family?
A) 10 – 15 years
B) 60 – 90 years
C) 15 – 44 years
D) None
Answer:
C) 15 – 44 years

Question 39.
What is the most essential thing for travellers?
A) Eduction
B) Health
C) Road safety education
D) Food
Answer:
C) Road safety education

Question 40.
What is the theme of Road safety week in 2006?
A) Provide education
B) Provide clothes
C) Control the over populoation
D) Road safety and no accidents
Answer:
D) Road safety and no accidents

The 150 year old shabby Ulta Pool bridge in Bhagalpur district of Bihar collapsed apparently due to poor maintenance and the Howrah-Jamalpur Super fast passenger train passing below the bridge killing at least 35 people on December 1st 2006.
Air India Flight 182 Kanishka was blown up mid-flight on 23 June 1985 by a bomb. The flight was on the first leg on its Montreal-London-Delhi-Bombay flight when it exploded off the coast of Ireland. The plane crashed into the Atlantic Ocean. All 307 passengers and 22 crew on board died.
The 2004 fire in a school in Kumbakonam, Tamilnadu sparketl off debates and arguments on the sqfety of schools in the country. 93 innocept lives were charred to death.
Question 41.
How many years ogo Ulta Pool bridge was built?
A) 100 years
B) 150 years
C) 200 years
D) 50 years
Answer:
B) 150 years

Question 42.
Where did Kanishka flight met its accident?
A) Indian Ocean
B) Pacific Ocean
C) The Atlantic Ocean
D) The Arabian Sea
Answer:
C) The Atlantic Ocean

Question 43.
When did Kumbakonam School fire tragedy takes place?
A) 2004
B) 2001
C) 2000
D) 2008
Answer:
A) 2004

Question 44.
In which incident 93 innocents lost their lives?
A) Kumbakonam school fire accident
B) Kanishka fight in accident
C) Bhopal gas tragedy
D) Ulta Pool bridge
Answer:
A) Kumbakonam school fire accident

Question 45.
Match the following.
Group – A — Group – B
1. Accidents — A) 2006
2. Road safety and no accident — B) 2004
3. Kanishka — C) Human made hazards
4. Kumbakonam — D) An Air India Flight
5. Ajmal Kasab — E) Terrorist
Answer:
1) C
2) A
3) D
4) B
5) E

Question 46.
What should not be done at the time of fire accident?
A) Raise the alarm
B) Call 101
C) Switch off the main switch board
D) Hide under a bed
Answer:
D) Hide under a bed

Question 47.
The Emergency phone number for fire services is:
A) 101
B) 102
C) 104
D) 108
Answer:
A) 101

Question 48.
In which group below are all disasters human induced disasters?
A) Earthquakes, Cyclones, accidents
B) Tsunamis, Land slides, Volcanoes eruption
C) Acts of terrorism, Fire accidents: Volcanoes eruption
D) Rail accidents, Fire accidents, Acts of terrorism
Answer:
D) Rail accidents, Fire accidents, Acts of terrorism

Question 49.
Which of the following should NOT be done in case of a fire accident?
A) Hiding in a cupboard or under a bed
B) Getting out of the building as soon as possible
C) Turning off the main electrical switchboard
D) Opening the outside window and call for help
Answer:
A) Hiding in a cupboard or under a bed