AP 7th Class Science Bits Chapter 15 Soil: Our Life with Answers

Practice the AP 7th Class Science Bits with Answers Chapter 15 Soil: Our Life on a regular basis so that you can attempt exams with utmost confidence.

AP State Syllabus 7th Class Science Bits 15th Lesson Soil: Our Life with Answers

Choose the correct answer.

Question 1.
We should use clay idols and celebrate festivals in
A) villages
B) cities
C) an ecofriendly way
D) a happy environment.
Answer:
C) an ecofriendly way

Question 2.
Chemical colours of idols damage our
A) faith
B) culture
C) goal
D) environment
Answer:
D) environment

Question 3.
Soil is a good
A) habitat
B) material
C) source for plant
D) living place for snails
Answer:
A) habitat

Question 4.
Soil contains
A) Waste material
B) Humidity
C) Rocks
D) Minerals
Answer:
D) Minerals

Question 5.
This soil layer is made up of humus
A) R Horizon
B) A Horizon
C) B Horizon
D) C Horizon
Answer:
B) A Horizon

Question 6.
Soil is formed from
A) Rocks
B) Sand
C) Clay
D) Pebbles
Answer:
A) Rocks

Question 7.
Castor can be grown in
A) Black soil
B) Sandy soil
C) Red soil
D) All the soils
Answer:
C) Red soil

Question 8.
Percolation rate of water is highest in
A) Rocky soil
B) Black soil
C) Sandy soil
D) Clayey soil
Answer:
C) Sandy soil

Question 9.
Percolation rate of water is lowest in
A) Black soil
B) Sandy soil
C) Clayey soil
D) All the above
Answer:
C) Clayey soil

Question 10.
Water holding capacity of soil depends on
A) Soil type
B) Rain
C) Place
D) None
Answer:
A) Soil type

Question 11.
Below the ‘O’ Horizon and above the ‘E’ Horizon this is found
A) B Horizon
B) A Horizon
C) E Horizon
D) R Horizon
Answer:
B) A Horizon

Question 12.
Percolation rate is highest in
A) Sandy soil
B) Clay
C) Loam
D) All
Answer:
A) Sandy soil

Question 13.
Removal of top soil by wind, water is called
A) soil profile
B) soil fertility
C) percolation
D) soil erosion
Answer:
D) soil erosion

Question 14.
Wheat, gram, and paddy are grown in
A) Sandy soil
B) Black soil
C) Clay and loam
D) All
Answer:
C) Clay and loam

Question 15.
Water holding capacity of soil depends on
A) soil erosion
B) soil type
C) fertility
D) conservation
Answer:
B) soil type

Question 16.
This is called regolith
A) R Horizon
B) C Horizon
C) A Horizon
D) O Horizon
Answer:
B) C Horizon

Question 17.
This is called sub soil
A) B Horizon
B) E Horizon
C) R Horizon
D) O Horizon
Answer:
A) B Horizon

Question 18.
Study of soil is called
A) Morphology
B) Pedology
C) Biology
D) Ecology
Answer:
B) Pedology

Question 19.
Before constructing multistoreyed buildings, bridges and dams engineers test the ……..
A) soil profile
B) mineral deposits
C) bedrock
D) rainfall
Answer:
A) soil profile

Question 20.
Rotation of crops retains
A) soil profile
B) soil erosion
C) soil fertility
D) humus
Answer:
C) soil fertility

Question 21.
These vessels are made up of
AP 7th Class Science Bits Chapter 15 Soil Our Life with Answers 1
A) Steel
B) Wood
C) Clay
D) Copper
Answer:
C) Clay

Question 22.
Clay loam and sand are types of
A) minerals
B) metals
C) soil
D) stones
Answer:
C) soil

Question 23.
Clay and loam are suitable for growing
A) wheat
B) gram
C) paddy
D) all of these
Answer:
D) all of these

Question 24.
Cotton is grown in
A) sandy
B) clay
C) sandy loam
D) heavy loam
Answer:
C) sandy loam

Question 25.
The factors responsible for soil erosion
A) wind
B) water
C) deforestation
D) all of these
Answer:
D) all of these

Question 26.
Large size particles are present in this soil
A) sandy soil
B) clay soil
C) loam
D) heavy loam
Answer:
A) sandy soil

Question 27.
It is also called top soil
A) A-horizon
B) B-horizon
C) C-horizon
D) R-horizon
Answer:
A) A-horizon

Question 28.
Animals plants and microbes activities are more in this horizon
A) A-horizon
B) E-horizon
C) C-horizon
D) O-horizon
Answer:
A) A-horizon

Question 29.
The right sequence of horizons of the soil from top to bottom is
A) A, B, C, E, O, R
B) O, A, E, B, C, R
C) C, A, B, O, R, E
D) R, C, B, E, A, O
Answer:
B) O, A, E, B, C, R

Question 30.
Making pots by using soil is called
A) Bidri
B) Kalamkari
C) Pottary
D) None of these
Answer:
C) Pottary

Question 31.
Through this experiment what can we find out?
AP 7th Class Science Bits Chapter 15 Soil Our Life with Answers 2
A) Soil erosion
B) Soil profile
C) Soil fertility
D) Percolation rate of soil
Answer:
D) Percolation rate of soil

Question 32.
The following is a soil conservation method
A) Planting trees
B) Crop rotation
C) Growing grass plants
D) All of these
Answer:
D) All of these

Question 33.
What happens if same type of crop is cultivated in same soil every year?
A) Soil fertility increases
B) Soil fertility decreases
C) No change
D) None of the above
Answer:
B) Soil fertility decreases

Question 34.
Read the statements:
P : Water percolation rate is more to sandy soil.
Q : Water percolation rate is more to loamy soil.
A) Only P is correct
B) Only Q is correct
C) P & Q are correct
D) P & Q are wrong
Answer:
A) Only P is correct

Question 35.
Which of the following is the topmost layer of soil?
A) “O” Horizon
B) “E” Horizon
C) “A” Horizon
D) “B” Horizon
Answer:
A) “O” Horizon