MCQ for Environment & Ecology Paper – The below are some important Multiple Choice Questions (MCQ’s) for Environment & Ecology Paper .

1. The concept of environment is based on

1. Environmental degradation

2. Dimensions of totality of the environment

3. Shift in the interest

4. Globality of these

(a) Only 1 is correct
(b) 1, 2 and 3 are correct
(c) 2,3 and 4 are correct
(d) None of the above

ans : (c)

2. The increase in concentration of non-biod-egradable substance such as DDT in food chain of higher level is called

(a) Bio-indicator
(b) Bio-magnification
(c) Eutrophication
(d) Bio-remediation

ans : (b)

3. The forest recorded with highest biodiversity is known as

(a) Taiga
(b) Deciduous forest
(c) Mediterranean shrub forest
(d) Tropical rain forest

ans : (a)

4. The Cartagena Protocol is regarding safe use, transfer and handling of:

(a) Nuclear waste
(b) Invasive Alien Species
(c) Living Modified Organisms (LMOs).
(d) Toxic by-products and industrial effluents

ans : (c)

5. What is green house effect?

(a) It is rapid global heating
(b) It is the rise in temperature on earth as certain gases in the atmosphere trap energy
(c) It is dramatic increase in greenhouse emissions
(d) None of the above

ans : (b)

6. The Environment Protection Act was passed in

(a) 1992
(b) 1986
(c) 1984
(d) 1976

ans : (b)

7. The term smog was first used in 1905 by

(a) Charles Darwin
(b) Dr. H.A. Des Voeux
(c) L.S. King
(d) Koeppen

ans : (b)

8. Consider the following statements:

1.The components of environment are dynamic and changes with time and space

2.Toxicology helps us understand the sources, fate and adverse effects of potentially toxic chemicals on the biosphere

3. Geoffroy Saint Hilaire used the term ethology for the first time

Of these statements

(a) Only 1 is correct
(b) 2 and 3 are correct
(c) 1 and 2 are correct
(d) 1, 2 and 3 are correct

ans : (b)

9. The relationship between hermit crab and sea anemone is called

(a) Communsalism
(b) Symbiosis
(c) Competition
(d) Predation

ans : (a)

10. Which of the following two criteria have to be met in order to qualify as a ‘biodiversity hotspot’ on the world hotspots map?

1. The region must contain at least 0.5 percent or 1500 species of vascular plants as endemic species.

2. The region has to have lost at least 70 percent of its primary vegetation.

Choose the correct option:

(a) Only 1
(b) Only 2.
(c) Both 1 and 2
(d) Neither 1 nor 2

ans : (d)

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