Quiz Code-EESI0002, Environment And Ecology

Environment Quiz:Test Your Knowledge!

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1. The Himalayan Range is very rich in species diversity. Which one among the following is the most appropriate reason for this phenomenon?

a) It has a high rainfall that supports luxuriant vegetative growth. b) It is a confluence of different bio-geographical zones. c) Exotic and invasive species have not been introduced in this region. d) It has less human interference.

2. If a tropical rain forest is removed, it does not regenerate quickly as compared to a tropical deciduous forest. This is because:

a) The soil of rain forest is deficient in nutrients. b) Propagules of the trees in a rain forest have poor viability. c) The rain forest species are slow-growing. d) Exotic species invade the fertile soil of rain forest.

3. When the bark of a tree is removed in a circular fashion all the way near its base, it generally dries up and dies because:

a) Water from soil cannot rise to aerial parts. b) Roots are starved of energy. c) Tree is infected by soil microbes. d) Roots do not receive oxygen for respiration.

4. Consider the following: Photosynthesis, Respiration, Decay of organic matter, Volcanic action. Which of the above add carbon dioxide to the carbon cycle on Earth?

a) 1 and 4 only b) 2 and 3 only c) 2, 3 and 4 only d) 1, 2, 3 and 4

5. Consider the following: Carbon dioxide, Oxides of Nitrogen, Oxides of Sulphur, Methane. Which of the above are the emissions from coal combustion at thermal power plants?

a) 1, 2 and 3 only b) 2 and 3 only c) 1 and 4 only d) 1, 2, 3 and 4

6. The formation of 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) Increased temperature at polar region due to global warming.

7. 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.

8. Recently, 'oilzapper' was in the news. What is it?

a) It is an eco-friendly technology for the remediation of oily sludge and oil spills. b) It is the latest technology developed for under-sea oil exploration. c) It is a genetically engineered high biofuel yielding maize variety. d) It is the latest technology to control the accidentally caused flames from oil wells.

9. With reference to India, consider the following Central Acts: Import and Export (Control) Act, 1947; Mining and Mineral Development (Regulation) Act, 1957. Which of the above Acts has/have relevance to/bearing on the biodiversity conservation in the country?

a) 1 and 3 only b) 2, 3 and 4 only c) 1, 2, 3 and 4 d) None of the above acts

10. A particular river originates with its source in Jharkhand (and known by a different name in Odisha), and passes through an area which is a place only a short distance from the coast of Bay of Bengal before flowing into the sea. It is an important site of wildlife and bio-diversity and a protected area. Which one of the following could be this?

a) Bhitarkanika b) Chandipur-on-sea c) Gopalpur-on-sea d) Simlipal