Environmental Issues Multiple Choice Questions (MCQs) with Answers

Questions

1 Which one of the following is not a bioindicator of water pollution?

A Blood-worms

B Sludge-worms

C Sewage fungus

D Stone flies

Answer:Blood-worms

2 Which one of the following is the correct percentage of the two (out of the total of 4) green house gases that contribute to the total global warming?

A CO2 40%,CFCs 30%

B CFCs 14%, Methane 20%

C Methane 20%, N2O 18%

D N2O 6%, CO2 86%

View Answer

Answer:Methane 20%, N2O 18%

3 UV Radiation from sunlight produces

A ozone

B sulphur dioxide

C CO

D Flourides

View Answer

Answer: ozone

4 water pollution is due to

A sulphur dioxide

B cardon dioxide

C oxygen

D industrial discharges

View Answer

Answer:industrial discharges

5 Which is most ionizing

A X-rays

B Y-rays

C β-rays

D α-rays

View Answer

Answer:X-rays

6 Water blooms are formed by

A lemna

B hydrilla

C water hyacinath

D plankotonic algae

View Answer

Answer:plankotonic algae

7 Black lung disease common in

A farmers

B workers of petrochemical industry

C coal workers

D refinery Workers

View Answer

Answer:coal workers

8 Acid rain will not affect

A Plants

B Lithosphere

C Ozone layers

D Animals

View Answer

Answer:Ozone layers

9 Increased asthmatic attacks in certain season are related to

A inhalation of seasonal pollen

B eating of seasonal vegetables

C low temperature

D wet and dry environment

View Answer

Answer:inhalation of seasonal pollen

10 Aerosols having carbon and fluorine compounds are chiefly released by

A Refineries

B Automobiles

C Industries

D Jets

View Answer

Answer: Jets

11 Pollution caused by persistent pesticidesis more hazardous to

A herbivores

B producers

C first level carnivores

D top carnivores

View Answer

Answer: top carnivores

12 Increase in atmospheric temperature due to carbon dioxide is

A Pasteur effect

B Blackman effect

C Emerson effect

D Green house effect

View Answer

Answer: Green house effect

13 For clean environment, which one is non essential

A polluter

B consumer

C producer

D decomposer

View Answer

Answer:polluter

14 Air pollution is not caused by

A pollen grains

B hydroelectric power

C industries

D automobiles

View Answer

Answer:hydroelectric power

15 Methane gas producing field is

A wheat field

B paddy field

C cotton field

D groundnut field

View Answer

Answer:paddy field

16 Which of the following facts are incorrect?

A Global warming is the rise in the average temperature of the earth’s climate system

B Eutrophication is observed in water bodies

C The greenhouse effect is a natural phenomenon

D Ozone is harmless to breathe

View Answer

Answer:Ozone is harmless to breathe

17 Areas that are under the influence of DDT may observe a decline in the population of birds. This is due to the fact that

A Birds stopped laying eggs altogether

B The eggs did not hatch

C Predation of the eggs increased

D None of the above

View Answer

Answer:The eggs did not hatch

18 Measuring BOD (biological oxygen demand) is primarily used for

A Estimating the types of microbes

B Determine the level of dissolved oxygen

C Estimating the quantity of organic matter in sewage water

D None of the above

View Answer

Answer:Estimating the quantity of organic matter in sewage water

19 Cosmic rays, such as gamma rays are a source of

A Soil Pollution

B Noise Pollution

C Thermal Pollution

D Radiation pollution

View Answer

Answer:Radiation pollution

20 The primary agenda of the Kyoto protocol is

A Regulation of hazardous wastes

B Regulate the production of nuclear energy

C Control anthropogenic sources of greenhouse gases

D None of the above

View Answer

Answer:Control anthropogenic sources of greenhouse gases

ADRE 2.0 FULL LENGTH MOCK TEST

Take Mock Tests

Missiles Mock Test	Start Test!
SSC MTS Mock Test	Start Test
IBPS CLERK MOCK TEST	Start Test
SSC MTS 2022 JULY 26 Shift 1 (ENGLISH)	Start Test!
SSC GD Previous Year Paper 2021 Nov 17 Shift - I (Hindi)	Start Test!
SSC CGL Tier - 1 PYP 2022 April 21 Shift- 1 (ENGLISH)	Start Test!
MPSC PAPER I MOCK TEST 1 (ENGLISH)	Start Test!
IB Security Assistant Mock test 1 (english)	Start Test!
UP POLICE CONSTABLE MOCK TEST 1	Start Test!
DELHI POLICE CONSTABLE MOCK TEST 1 (HINDI)	Start Test!