UPSC NCERT ECOLOGY AND ENVIRONMENT NOTES: TOPIC WISE SOLVED MCQ’s

UPSC ECOLOGY AND ENVIRONMENT: Organisms and the Environment -2

 

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  1. According to the Wildlife (Protection) Act, 1972. Which of the following animals cannot be hunted by any person except under some provisions provided by law?
  2. Gharial 2. Indian wild ass                    3. Wild buffalo

Select the correct answer using the code given below:

a) 1 only b) 2 and 3 only c) 1 and 3 only                        d) 1,2 and 3

Ans:     D

2. If you want to see gharials in their natural habitat, which one of the following is the best place to visit? a) Bhitarkanika Mangroves b) Chambal River

c) Pulicat Lake d) Deepor Beel

Ans:     B

3. Consider the following statements:

Climate and Clean Air Coalition (CCAC) to Reduce Short-Lived Climate Pollutants is a unique initiative of the G20 group of countries.

The CCAC focuses on methane, black carbon, and hydrofluorocarbons.

Which of the statements given above is/are correct?

a) 1 only b) 2 only c) Both 1 and 2                       d) Neither 1 nor 2

Ans:     B

  4. The formation of an ozone hole in the Antarctic region has been a cause of concern. What could be the reason for the formation of this hole?

a) Presence of prominent tropospheric turbulence and inflow of chlorofluorocarbons

b) Presence of prominent polar front and stratospheric clouds and inflow of chlorofluorocarbons

c) Absence of polar front and stratospheric clouds and inflow of methane and chlorofluorocarbons

d) The increased temperature at the polar region due to global warming

Ans:     C

5. Regarding “carbon credits”, which one of the following statements is not correct?

a) The carbon credit system was ratified in conjunction with the Kyoto Protocol

b) Carbon credits are awarded to countries or groups that have reduced greenhouse gases below their emission quota

c) The goal of the carbon credit system is to limit the increase of carbon dioxide emission

d) Carbon credits are traded at a price fixed from time to time by the United Nations Environment Programme

Ans:     D

6. Three of the following criteria have contributed to the recognition of Western Ghats-Sri Lanka and Indo-Burma regions as hotspots of biodiversity

a) Species richness

b)Vegetation density

c) Endemism

d)Ethno-botanical importance

   7. The formation of an ozone hole in the Antarctic region has been a cause of concern. What could be the reason for the formation of this hole?

a) Presence of prominent tropospheric turbulence and inflow of chlorofluorocarbons

b) Presence of prominent polar front and stratospheric clouds and inflow of chlorofluorocarbons

c) Absence of polar front and stratospheric clouds and inflow of methane and chlorofluorocarbons

d) The increased temperature at the polar region due to global warming

Ans:     C