Quiz Code-EESI0001, Environment And Ecology

Environment Quiz: Test Your Knowledge!

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Time Remaining: 10:00

1. Which of the following are the sources of NOx (nitrogen oxides) emissions at thermal power plants?

a) Coal combustion b) Oil combustion c) Gas combustion d) All of the above

2. Which of the above statements is/are correct about Biodiversity?

• Biodiversity is normally greater in the lower latitudes and decreases as you move to the poles.
• Along the mountain gradient, biodiversity is normally greater in the lower altitudes and decreases to the higher altitudes.

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

3. Which one of the following is not a site for in-situ method of conservation of flora?

a) Biosphere reserves b) Botanical Garden c) National Park d) Wildlife Sanctuary

4. "Red Data Book" published by the International Union for Conservation of Nature and Natural Resources (IUCN) contains lists of:

• Endemic plant and animal species present in the biodiversity hot-spots.
• Threatened plant and animal species.
• Protected sites for conservation of nature & natural resources in various countries.

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

5. With reference to India, consider the following Acts:

• Forest Export (Control) Act, 196?
• Mining and Mineral Development (Regulation) Act, 1957

Which of the above Acts have relevance to / bearing on the conservation of natural resources in the country?

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

6. 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 geographic zones. c) Exotic and invasive species have not been introduced in this region. d) It has a low human presence.

7. 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.

8. The formation of ozone hole in the Antarctic region is a cause of deep concern. What could be the reasons for the formation of this hole?

a) Presence of prominent stratospheric 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 stratospheric winds. d) Increased temperature at polar region due to global warming.

9. Two important rivers with their source in Jharkhand (and known by a different name in Odisha) are important fishing ports on the Mahanadi Delta, a place only a short distance from the coast of Bay of Bengal. This place is well known as it is a protected 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) Nandipur

10. 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