Practice the AP 8th Class Biology Bits with Answers Chapter 10 Not For Drinking-Not For Breathing on a regular basis so that you can attempt exams with utmost confidence.
AP State Syllabus 8th Class Biology Bits 10th Lesson Not For Drinking-Not For Breathing with Answers
Choose the correct answer.
Question 1.
The pollution check will be done for every
A) 4 months
B) 5 months
C) 6 months
D) 1 year
Answer:
C) 6 months
Question 2.
The percentage of oxygen in the atmosphere is
A) 12%
B) 13%
C) 14%
D) 15%
Answer:
A) 12%
Question 3.
Decay of organic matter releases the gas into air
A) Nitrogen
B) Ammonia
C) Carbondioxide
D) None
Answer:
B) Ammonia
Question 4.
Thermal power plants of Parawada is in
A) Vijayanagaram
B) Vijayawada
C) Visakhapatnam
D) Macharla
Answer:
C) Visakhapatnam
Question 5.
The power generates by using uranium is called
A) Hydro electric power
B) Thermal power
C) Nuclear power
D) None
Answer:
C) Nuclear power
Question 6.
The unforgettable tragedy towards air pollution in Bhopal took place in the year
A) 1981
B) 1982
C) 1983
D) 1984
Answer:
D) 1984
Question 7.
The industrial waste contains a large number of harmful
A) plants
B) animals
C) chemicals
D) microorganisms
Answer:
C) chemicals
Question 8.
Pollutants emitted by thermal power plants causes this disease
A) Bronchitis
B) Lung cancer
C) Suffocation
D) All of the above
Answer:
D) All of the above
Question 9.
Example for secondary pollutant
A) PAN
B) Chlorine
C) Lead
D) Ammonia
Answer:
A) PAN
Question 10.
The Taj Mahal is situated on the banks of river
A) Ganges
B) Yamuna
C) Brahmaputhra
D) Kaveri
Answer:
B) Yamuna
Question 11.
This is responsible for “minimata” disease.
A) Cadmium
B) Arsenic
C) Mercury
D) Sulphur
Answer:
C) Mercury
Question 12.
The percentage of forests on earth is
A) 19%
B) 20%
C) 25%
D) 27%
Answer:
A) 19%
Question 13.
Sources of CFCs are
A) AC
B) Refrigerator
C) Jet planes
D) All the above
Answer:
D) All the above
Question 14.
‘Vanamahotsav’ is conducted in this month.
A) June
B) July
C) August
D) February
Answer:
B) July
Question 15.
This is an eco-friendly fuel.
A) Coal
B) Diesel
C) Petrol
D) CNG
Answer:
D) CNG
Question 16.
The cause for ‘eutrophication’
A) Nitrates and phosphates
B) Pesticides
C) Chemicals
D) Metals
Answer:
A) Nitrates and phosphates
Question 17.
Ozone layer is being destroyed by
A) CFCs
B) Chlorine
C) CO2
D) NO2
Answer:
B) Chlorine
Question 18.
Acid rain is due to this
A) CO and CO2
B) NO2 and SO2
C) Hg and Cd
D) He
Answer:
B) NO2 and SO2
Question 19.
SPM can be reduced by installation of this
A) Electrostatic precipitator (ESP)
B) Filters
C) Cooling Towers
D) None
Answer:
A) Electrostatic precipitator (ESP)
Question 20.
This gas is responsible for “Bhopal Gas Tragedy”.
A) Methane
B) Ethane
C) Methyl Isocyanate
D) Acetylene
Answer:
C) Methyl Isocyanate
Question 21.
The petrol now we are using ……….. in our cars is free.
A) Hg
B) Pb
C) Zn
D) Ra
Answer:
B) Pb
Question 22.
Chernobyl disaster happened in ……….. country.
A) USA
B) Iran
C) Iraq
D) Russia
Answer:
D) Russia
Question 23.
The most polluted river in Hyderabad is
A) Manjeera
B) Godavari
C) Krishna
D) Moosi
Answer:
D) Moosi
Question 24.
A drop of engine oil can pollute …………… litres of water.
A) 20
B) 25
C) 30
D) 45
Answer:
B) 25
Question 25.
Sinks of carbondioxide
A) Rivers
B) Water falls
C) Seas
D) Soil
Answer:
C) Seas
Question 26.
‘Global warming’ is due to
A) CO2
B) Water vapour
C) NO2
D) Both A and B
Answer:
D) Both A and B
Question 27.
This pollutant tarnishes silver objects and blackens lead paintings.
A) SO2
B) NO2
C) PAN
D) Hydrogen sulphide
Answer:
D) Hydrogen sulphide
Question 28.
Expand – PAN
A) Peroxy Acetyle Nitrate
B) Peroxy Acetyle Nitrite
C) Peroxy Accute Nitrate
D) Peroxy Acetylene Nitride
Answer:
A) Peroxy Acetyle Nitrate
Question 29.
Choose the correct mathing.
List – A List – B
1) Acid Rain a) Phosphates and Nitrates
2) Eutrophication b) Mercury
3) Minimata c) SO2 + NO2
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:
C) 1 – c, 2 – a, 3 – b
Question 30.
Identify the mismatched pair.
1) Thermal power – Coal
2) Hydral power – Tides of Sea
3) Tidal power – Water energy
A) 1, 2
B) 2, 3
C) 2 only
D) 3 only
Answer:
B) 2, 3
Question 31.
This gas is released by the incomplete burning of fuels in motor vehicles
A) CO
B) NO2
C) CO2
D) SO2
Answer:
A) CO
Question 32.
If blue litmus is turned into red in water, water is
A) Acidic
B) Basic
C) Neutral
D) None
Answer:
A) Acidic
Question 33.
The following one is a natural cause for air pollution
A) Volcanic eruption
B) Forest fire
C) Automobile emissions
D) Both A and B
Answer:
B) Forest fire
Question 34.
Look at this picture carefully. This activity leads to the
A) Water pollution
B) Air pollution
C) Soil pollution
D) Radioactive pollution
Answer:
B) Air pollution
Question 35.
Observe the picture.
This activity leads to
A) Soil pollution
B) Air pollution
C) Water pollution
D) Sound pollution
Answer:
C) Water pollution
Question 36.
This activity is responsible for….
A) Global Warming
B) Green House effect
C) Air pollution
D) All of the above
Answer:
D) All of the above
Question 37.
The chief gases of the emissions from the factory shown in the figure
A) SO2
B) NO2
C) CO2
D) All of the above
Answer:
D) All of the above
Question 38.
Match the following:
Group – A — Group – B
1. Hydrogen sulphide — A) Power plants
2. Particulate matter — B) Headache
3. Air pollution — C) Automobiles
4. Sulphur dioxide — D) Dust and smoke
5. Hydro carbons — E) Ore refining
6. Ammonia — F) High Blood Pressure
— G) Fertilizer plant
— H) Sea salt production
Answer:
1) B
2) D
3) F
4) A
5) C
6) G
Question 39.
…………. combines with water to form acid rain.
A) Sulphur dioxide
B) Calcium hydroxide
C) Phosphorous monoxide
D) Hydrogen
Answer:
A) Sulphur dioxide
Question 40.
Which of the following is non-renewable source of energy?
A) Solar energy
B) Fuel energy
C) Tidal energy
D) Wind energy
Answer:
B) Fuel energy
Question 41.
Narmada bachao andolan was led by
A) Sunderlal Bahuguna
B) Baba Amte
C) Medha Patkar
D) Kiran Bedi
Answer:
C) Medha Patkar
Question 42.
Global warming is a serious issue which we are facing now. Which of the following gas is responsible for global warming?
A) O2
B) SO2
C) PO2
D) CO2
Answer:
D) CO2
Question 43.
Choose the incorrect statement about pollution control activities of river Musi.
i) Solid waste management
ii) Installation of sewage treatment plant
iii) Sending contaminated water into Musi
iv) Develop public awareness
A) i, ii only
B) ii only
C) iii only
D) i, ii, iv only
Answer:
D) i, ii, iv only
Question 44.
If you take print on both sides of the white paper, this resembles
A) Recycle
B) Reuse
C) Recover
D) Reduce
Answer:
D) Reduce
Question 45.
If you keep oiled papers in various corners of your house, you find that
A) oil dries up
B) it becomes oilier
C) dust accumulates on oil paper
D) no change occurs
Answer:
C) dust accumulates on oil paper