MCQs on EVM (Environment Management) Page 1

1. Biodiversity is a measure of variation at the ______________ level.

a. genetic

b. species

c. ecosystem

d. all of the above

 

2. Terrestrial biodiversity is usually greater near the _____________.

a. north pole

b. south pole

c. equator

d. tropic of cancer

 

3. The tropical forest ecosystems cover less than 10 percent of earth’s surface, and contain about ____ percent of the world’s species.

a. 30

b. 50

c. 70

d. 90

 

4. The age of earth is about _________ billion years.

a. 3.04

b. 3.54

c. 4.05

d. 4.54

 

5. Following is usually measured at the species diversity level_________.

a. ecological diversity

b. taxonomic diversity

c. morphological diversity

d. functional diversity

 

6. Diversity of all living things depends on__________.

a. geography

b. presence of other species

c. soils

d. all of the above

 

7. A biodiversity hotspot___________.

a. is a region with a high level of endemic species

b. that have experienced great habitat loss

c. both (a) and (b)

d. none of the above

 

8. Which of the following is true________.

a. land has more species than the ocean

b. ocean has more species than the land

c. land and ocean has almost equal number of species

d. not yet known

 

9. Provisioning services_________.

a. involve the production of renewable services

b. are those that lessen environmental change

c. represent human value and enjoyment

d. all of the above

 

10.Provisioning services of_________.

a. plants increases fodder yield

b. plants increases overall crop yield

c. trees increases overall wood production

d. all of the above

 

11. Regulating services of plants_________.

a. decreases disease prevalence on plants

b. increases resistance to plant invasion

c. increases soil nutrient remineralization

d. all of the above

 

12. Biodiversity is directly involved in__________.

a. water purification

b. recycling nutrients

c. providing fertile soil

d. all of the above

  

13. The most studied group is__________.

a. birds

b. mammals

c. both (a) and (b)

d. fishes

14. What is sustainable development?

a. The development that meets the needs of the present without compromising the ability of future generations to meet their own needs.

b. To conserve natural resources and to develop alternate sources of power while reducing pollution and harm to the environment.

c. It is the practice of developing land and construction projects in a manner that reduces their impact on the environment by allowing them to create energy efficient models of self-sufficiency. 

d. All of the above

15. Which of the following is/are not an objective (s) of sustainable development?

a. Continue to implement the family planning program.

b. Maintain a dynamic balance of arable land (not less than 123 million hectares) and implement an agricultural development strategy

c. Maintain a dynamic balance of water resources by reducing water consumption for every unit of gross development product growth and agricultural value added

d. To bring about a gradual and sometime catastrophic transformation of environment

16. When was the term ‘Sustainable Development’ came into existence?

a. 1987

b. 1980

c. 1978

d. 1992

17. The United Nations Commission on Sustainable Development (CSD) was established by the UN General Assembly in December-------.

a. 1992

b. 1993

c. 1994

d. 1995

18. Sustainable development can be thought of in terms of three spheres i.e.

a. environment, economy and society

b. environment, economy and equity

c. environment, ecology and society

d. environment, economy and ecology

19. The most visually striking evidence of global warming is:

a. The increased precipitation along the Gulf coast states

b. Highly varying temperature fluctuations felt during the winter months

c. Rapid melting of glacial ice on nearly every continent

d. All of the above

20. Greenhouse effect refers to:

a. Ability of atmosphere to retain water vapor

b. Ability of certain atmospheric gases to trap heat and keep the planet relatively warm

c. Ability of cloud to scatter electromagnetic radiation

d. None of the above

21. Loss of sea ice by melting in the Arctic Ocean:

a. Will result in sea-level rise

b. May result in positive feedback that amplifies global warming

c. Will result in cooler temperature in the Arctic

d. None of the above

22. This process is functional in removing carbon dioxide from the atmosphere

a. lightning

b. deforestation

c. burning of fossil fuels

d. photosynthesis

23. This is not a possible adverse effect of global warming

a. sea level rise

b. an increase of UVB radiation

c. retreat of glaciers

d. extraordinary weather patterns

24. Correct descending order of relative contribution of various greenhouse gases to total global warming is

a. carbon dioxide; methane; CFCs; nitrous oxide

b. carbon dioxide; methane; nitrous oxide; CFCs

c. carbon dioxide; CFCs; nitrous oxide; methane

d. carbon dioxide; CFCs; methane; nitrous oxide

25. CFCs have a continuing effect on the ozone layer as

a. They are efficiently absorbed by atmospheric water vapours

b. They are being produced in increasing amounts all over the world

c. Cl atoms formed by them are used up in reactions causing degradation of the ozone

d. Cl atoms formed by them only act as catalysts in reactions causing degradation of the ozone

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