Latest Environment questions for IAS Prelims - Set 4

Latest Environment questions for IAS Prelims - Set 4


1. Which of the followings statements are correct about ecosystem?

1) It comprises of biome only
2) It comprises of biome and habitat
3) It is an open system
4) It is an closed system

a. 1 & 3
b. 1&4
c. 2&3
d. 2&4

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ANSWER: c. 2&3

Biome is living component, Habitat is physical component
Open system characterized by continuous input and output of matter and energy.



2. Which of the followings statements is/are incorrect?

1) Desert vegetation consists of bushes, shrubs and occasional trees.

2) Prairies are temperate grassland with few tree, large shrubs and tall grasses.

3) Higher altitude mountain vegetation consists of coniferous forests.

4) Faster moving water supports more biodiversity.

a. 2 & 4
b. 2 & 3
c. 1 & 4
d. All of the above

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ANSWER: b. 2 & 3

Prairies are devoid of trees and shrubs;High altitude mountain vegetation consists of treeless alpine vegetation.



3. What was Montreal Protocol concerned with?

a. Checking ozone layer depletion
b. Checking Global warming
c. Protecting Biodiversity
d. Increasing forest cover

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ANSWER: a. Checking ozone layer depletion



4. Which of the following contributes the maximum to the greenhouse effect?

a. Carbon dioxide
b. Water vapour
c. Methane
d. Nitrous oxide

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ANSWER: b. Water vapour



5. Acid rain is majorly caused by emission of

a. Oxides of carbon and sulfur
b. Oxides of carbon and nitrogen
c. Oxides of sulfur and nitrogen
d. Ozone and oxides of nitrogen

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ANSWER: c. Oxides of sulfur and nitrogen



6. "Indian Wild Ass" is the key faunal species of which Biosphere Reserve?

a. Nilgiri
b. Dehang-Debang
c. Great Rann of Kutch
d. Simlipal

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ANSWER: c. Great Rann of Kutch



7. Oliver Ridley sea turtle is found in which of the following place?

a. Ashtamudi Wetlands
b. Bhitarkanika national Park
c. Chilika Lake
d. Thrissur Kole wetlands

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ANSWER: b. Bhitarkanika national Park



8. Which of following conditions are NOT correct for the formation of coral reefs?

a. Moderate Temperature
b. Moderate Salinity
c. Clean Sediment free water
d. Deep Water

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ANSWER: d. Deep Water

Carol reef does not live in water more than 200-250 feet below the sea level



9. Which of the following is NOT the major coral reef area?

a. Gulf of Mannar
b. Andaman & Nicobar Islands
c. Gulf of Kutch
d. Chilika Lake

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ANSWER: d. Chilika Lake



10. Arid Forest Research Institute is located in

a. Jaipur
b. Jodhpur
c. Bhopal
d. Jabalpur

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ANSWER: b. Jodhpur


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