9 Environmental Issues Multiple Choice Questions (MCQs) with Answers | Environmental Issues Quiz

Environmental Issues MCQs | 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%

Answer:Methane 20%, N2O 18%
3 UV Radiation from sunlight produces
A ozone
B sulphur dioxide
C CO
D Flourides

Answer: ozone
4 water pollution is due to
A sulphur dioxide
B cardon dioxide
C oxygen
D industrial discharges

Answer:industrial discharges
5 Which is most ionizing
A X-rays
B Y-rays
C β-rays
D α-rays

Answer:X-rays
6 Water blooms are formed by
A lemna
B hydrilla
C water hyacinath
D plankotonic algae

Answer:plankotonic algae
7 Black lung disease common in
A farmers
B workers of petrochemical industry
C coal workers
D refinery Workers

Answer:coal workers
8 Acid rain will not affect
A Plants
B Lithosphere
C Ozone layers
D Animals

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

Answer:inhalation of seasonal pollen
10 Aerosols having carbon and fluorine compounds are chiefly released by
A Refineries
B Automobiles
C Industries
D Jets

Answer: Jets
11 Pollution caused by persistent pesticidesis more hazardous to
A herbivores
B producers
C first level carnivores
D top carnivores

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

Answer: Green house effect
13 For clean environment, which one is non essential
A polluter
B consumer
C producer
D decomposer

Answer:polluter
14 Air pollution is not caused by
A pollen grains
B hydroelectric power
C industries
D automobiles

Answer:hydroelectric power
15 Methane gas producing field is
A wheat field
B paddy field
C cotton field
D groundnut field

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

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

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

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

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

Answer:Control anthropogenic sources of greenhouse gases
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