Environmental Studies MCQ : Set-10

MCQ Questions On Environmental Studies .

Answer are given in Bold highlight . 

1. Peeling of Ozone umbrella, which protects us from UV rays, is caused by

1. Carbon monoxide
2. CFCs
3. Coal burning
4. Methane .

2. Soil erosion removes surface soil which contains 

1. Organic matter
2. Plant nutrients
3. Both a and b
4. none of the above .

3. Sustainable development means 

1. Meeting present needs without compromising on future needs .
2. Progress of human beings .
3. Balance between human needs and the ability of earth to provide the resources .
4. All of the above .

4. The fossil fuel that is derived from the dead remains of plants that grew some 250 million years ago is 

1. Petroleum .
2. Natural gas
3. Coal .
4. LPG .

5. The impact of construction of dams 

1. Submerged forest .
2. Loss of wild life habitat .
3. Damages downstream ecosystem .
4. All of the above .

6. The method of rainwater harvesting which can be adopted by individual house owners is

1. Construction of recharge trenches
2. On channel storage of water
3. Creation of new water bodies .
4. Roof-top rainwater harvesting .

7. The percentage of total world’s precipitation, which is lost to the atmosphere through evaporation, approximates to :

1. 57% .
2. 7% .
3. 37% 
4. 43% .

8. The process of restoring forests that once existed but was removed at some time in the past is known as

1. Afforestation
2. Reforestation
3. Deforestation
4. None of these .

9. The share of Hydropower (Hydel projects) in worlds commercial electricity production is less than ________

1. 2%
2. 4%
3. 12%
4. 20% .

10. The species restricted to be present in one region are called

1. Edge species
2. Endemic species
3. Endangered species
4. Keystone species .

11. The teeth are likely to be pitted, more susceptible to cavities and wear, when the fluoride concentration is:

1. More than 2 mg/1
2. More than 40 mg/1
3. More than 20 mg/1
4. More than 4 mg/1

12 The term ‘Environment’ has been derived from the French word which means to encircle or surround

1. Environ
2. Oikos
3. Geo
4. Aqua

13. Wetlands in the flood plains of rivers are also considered as nature’s ________

1. Heat sink
2. carbon sink
3. flood control systems
4. swimming pool .

14. What are rodenticides?

1. That kill fishes
2. that kill insects
3. that kill rats
4. that kill crocos .

15 What is Kyoto Protocol ?

1. It is an agreement among countries to take steps for reducing global warming.
2. It is an agreement among countries to take steps for reducing acid rain.
3. It is an agreement among countries to take steps for planting trees to control pollution.
4. It is an agreement among countries to start using nuclear energy.

16. What is the major limiting factor in the arid areas of our country ?

1. Money .
2. forests
3. water
4. Soil .

17. What kind of people are the most ill-affected by the construction of dams?

1. Urban dwellers
2. beach dwellers
3. tourists
4. tribal people .

18. When fluoride concentration in H2O exceeds about 1.5 mg/1, the disease that may be caused , is

1. Dental caries in children
2. Fluorosis
3. Poliomyelitis
4. Methemoglobinemia .

19. Which among the following is a sedimentary type of cycle?

1. Sulphur cycle
2. Nitrogen cycle
3. Oxygen cycle
4. Carbon cycle .

20. Which gas is responsible for the global warming ?

1. Nitrogen
2. Carbon dioxide
3. Noble gases
4. Hydrogen .

21. Which is a list of renewable resources ?

1. Petroleum, geothermal, wind
2. Biomass, geothermal, hydropower .
3. Natural gas, wind, biomass
4. Hydropower, solar, wind energy .

22. Which is the only country who has not ratified the Kyoto Protocol yet ?

1. United States
2. Australia
3. Japan
4. India .

23. Which of below items is the major sector which extracts most of fresh water available for utilization ?

1. domestic use
2. drinking water
3. beverage industry
4. agriculture .

24. Which of the following are consequences of ozone depletion

1. Skin cancer and cataract
2. Reduced growth in plants
3. Shortening of zooplanktons and their breeding period
4. All of the above .

25. Which of the following are major environmental issues involved in mining ?

1. Air pollution
2. water pollution
3. soil degradation
4. all of the above .

26. Which of the following effect is responsible for Global Warming ?

1. Green house effect
2. Radioactive effect
3. Solar effect
4. Nuclear effect .

27. Which of the following is management option for air pollution?

1. Regulations and standards
2. Transport planning
3. Using CNG as fuel
4. All of these .

28. Which of the following is not a method for water conservation?

1. Rainwater harvesting
2. Groundwater extraction
3. Improving irrigation efficiency
4. Avoiding water wastage .

29. Which of the following is not a viable protection against deforestation?

1. Reduce the consumption of forest and related products
2. Boycott products of companies involve in deforestation
3. Privatization of forest land
4. Environmental education .

30. Which of the following is not influenced by human activities?

1. Destruction of mangroves and wetlands
2. Depletion of ground water
3. Increased extinction rate of species
4. None of the above .

31. Which of the following is not true about deforestation ?

1. Population explosion is one of the reasons for deforestation
2. Cleaning of forest for agriculture causes deforestation.
3. Deforestation is taking place only in developing courtiers.
4. Cash crop economy of third world is a cause of deforestation.

32. Which of the following is responsible for desertification?

1. Deforestation
2. Mining
3. Overgrazing
4. All of the above .

33. Which of the following statements about the forest is not correct?

1. Forest reduces soil erosion
2. Provides recreational opportunities
3. Provides economic development
4. None of the above .

34 Which of these is not a fossil fuel ?

1. Coal
2. Oil
3. Natural gas
4. Uranium .

35 Which one of the following is not an ideal solution for tackling water shortages?

1. Controlling population growth
2. Conserving water in irrigation 
3. Controlling water pollution
4. Drilling large number of deep bore wells .

36 Which one of the following regions in India is a hotspot of biodiversity ?

1. Sundarbans
2. Western Ghats
3. Eastern Ghats
4. Gangetic plains .

37 World Forest day is celebrated on 

1. 21st March
2. 5th June
3. 1st Dec
4. 7th June .

38 Yellowing of Taj Mahal is an effect of

1. Acid rain
2. Global warming
3. Ozone depletion
4. All of the above

39 Green Revolution in India was initiated by __________

1. M.S. Swaminathan
2. Sunderlal Bahuguna
3. Kurien
4. Medha Patkar .

40 Who wrote the book Violence of Green Revolution 

1. Vandana Siva
2. Sheela Dikshit
3. Menaka Gandhi
4. Arundhathi Roy.

41 The Chipko movement is started by

1. Engler
2. Sunderlal Bahuguna
3. Medha Padkar
4. None of these .

42 Green revolution is associated with _________

1.  sericulture
2. Agriculture 
3. Fish culture
4. silviculture .

43 Which gas is likely to be reduced in the atmosphere by deforestation?

1. Carbon dioxide
2. Nitrogen
3. Oxygen
4. Sulphur dioxide .

44 Extensive planting of trees to increase forest cover is called 

1. Afforestation
2. Agroforestry
3. Deforestation
4. Social forestry .

45 Soil erosion can be prevented by 

1. Deforestation
2. Afforestation
3. Overgrazing
4. Removal of vegetation

46 The components of LPG are _____________

1. Methane & Hexane
2. Propane & Butane
3. Ethane & Methane
4. Propane & Ethane .

47 The resources that can be replaced by natural ecological cycle is called

1. Renewable
2. Non-renewable
3. exhaustible
4. natural .

48 The amount of solar radiation reaching the surface of the earth is called

1. Solar flux
2. reflected light
3. minerals
4. solvents .

49 The most harmful of ultraviolet radiations are

1. UV-C
2. UV-B
3. UV-A
4. All the above .

50 A renewable source of energy is 

1. Petroleum
2. Coal
3. Nuclear fuel 
4. Trees .

 

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