ENVIRONMENT AND ECOLOGY
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Question 1 of 5
1. Question
2 pointsConsider the following statements:
- The top four emitters contribute more than half of the total GHG emissions.
- The carbon footprint of the richest 1 per cent of the global population is more than double of the poorest 50 per cent.
Which of the statements given above is/are correct?
Correct
ANSWER: C
Incorrect
ANSWER: C
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Question 2 of 5
2. Question
2 pointsConsider the following statements in respect of soil erosion:
- Sheet erosion cut the agricultural lands into small fragments making them unfit for cultivation.
- Gully erosion removes the finer and more fertile topsoil.
Which of the statements given above is/are correct?
Correct
ANSWER: D
Explanation:
Sheet erosion takes place on level lands. It removes the finer and more fertile topsoil. Gully erosion is common on steep slopes. It cuts the agricultural lands into small fragments making them unfit for cultivation.
Incorrect
ANSWER: D
Explanation:
Sheet erosion takes place on level lands. It removes the finer and more fertile topsoil. Gully erosion is common on steep slopes. It cuts the agricultural lands into small fragments making them unfit for cultivation.
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Question 3 of 5
3. Question
2 pointsConsider the following:
- White cedar
- Oak
- Teak
- Sal
- Sandalwood
Which of the above trees would one encounter in the forests of Dandakaranya?
Correct
ANSWER: C
Explanation:
- The Dandakaranya region mainly lies in Chattisgarh and the main vegetation type is tropical moist deciduous forests.
Incorrect
ANSWER: C
Explanation:
- The Dandakaranya region mainly lies in Chattisgarh and the main vegetation type is tropical moist deciduous forests.
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Question 4 of 5
4. Question
2 pointsA protected area possesses unspoilt areas of natural vegetation types with several dry scrubs, dry and moist deciduous, semi-evergreen and wet evergreen forests temperate montane forests, grasslands and swamps. It includes the largest known population of the Lion-tailed macaque. The area is:
Correct
ANSWER: A
Explanation:
- The Nilgiri Biosphere Reserve was the first biosphere reserve in India established in the year 1986. It is located in the Western Ghats and includes 2 of the 10 biogeographical provinces of India. Wide ranges of ecosystems and species diversity are found in this region. Thus, it was a natural choice for the premier biosphere reserve of the country.
- The Nilgiri Biosphere Reserve was established mainly to fulfil the following objectives:
- To conserve in situ genetic diversity of species
- To restore degraded ecosystems to their natural conditions
- To provide baseline data for ecological and environmental research and education
- To function as an alternate model for sustainable development
Incorrect
ANSWER: A
Explanation:
- The Nilgiri Biosphere Reserve was the first biosphere reserve in India established in the year 1986. It is located in the Western Ghats and includes 2 of the 10 biogeographical provinces of India. Wide ranges of ecosystems and species diversity are found in this region. Thus, it was a natural choice for the premier biosphere reserve of the country.
- The Nilgiri Biosphere Reserve was established mainly to fulfil the following objectives:
- To conserve in situ genetic diversity of species
- To restore degraded ecosystems to their natural conditions
- To provide baseline data for ecological and environmental research and education
- To function as an alternate model for sustainable development
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Question 5 of 5
5. Question
2 points‘Biodiversity Hotspots’ are identified by
Correct
ANSWER: A
Explanation:
- The concept of biodiversity hotspots was developed by Norman Myers in 1988 when he identified that the tropical forest losing its plants species as well as habitat. IUCN prepares ‘Red Data Book’.
Incorrect
ANSWER: A
Explanation:
- The concept of biodiversity hotspots was developed by Norman Myers in 1988 when he identified that the tropical forest losing its plants species as well as habitat. IUCN prepares ‘Red Data Book’.
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