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Test: Impact of Climate Change - UPSC MCQ


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10 Questions MCQ Test Environment for UPSC CSE - Test: Impact of Climate Change

Test: Impact of Climate Change for UPSC 2024 is part of Environment for UPSC CSE preparation. The Test: Impact of Climate Change questions and answers have been prepared according to the UPSC exam syllabus.The Test: Impact of Climate Change MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Impact of Climate Change below.
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Test: Impact of Climate Change - Question 1

According to the text, how might climate change impact crop yields in temperate regions with moderate warming?

Detailed Solution for Test: Impact of Climate Change - Question 1
The text mentions that moderate warming (an increase of 1 to 3?C in mean temperature) is expected to benefit crop yields in temperate regions. This is because some crops may thrive with slightly warmer conditions, leading to increased production.
Test: Impact of Climate Change - Question 2

How might a temperature increase of more than 3?C affect crop production according to the text?

Detailed Solution for Test: Impact of Climate Change - Question 2
A temperature increase of more than 3?C is expected to have a negative effect on crop production in all regions. This indicates that such a temperature increase would be detrimental to agriculture globally.
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Test: Impact of Climate Change - Question 3

According to the Third Assessment Report of the IPCC in 2001, which regions were projected to experience reduced crop yield due to climate change?

Detailed Solution for Test: Impact of Climate Change - Question 3
Third Assessment Report of the IPCC, which concluded that climate change would severely hit the poorest countries and reduce crop yield in most tropical and subtropical regions due to decreased water availability and changes in insect/pest incidence.
Test: Impact of Climate Change - Question 4
In which regions is even moderate temperature increases (1 to 2?C) likely to have negative impacts on major cereal crops, according to the text?
Detailed Solution for Test: Impact of Climate Change - Question 4
The text states that even moderate temperature increases (1 to 2?C) are likely to have negative impacts on major cereal crops in lower latitudes, especially seasonally dry tropics.
Test: Impact of Climate Change - Question 5
How might rising sea levels affect agriculture along coastlines, as per the text?
Detailed Solution for Test: Impact of Climate Change - Question 5
Rising sea levels could affect agriculture by causing the inundation of low-lying lands along coastlines. This would result in the loss of arable land.
Test: Impact of Climate Change - Question 6
According to the International Commission for Snow and Ice (ICSE), what is the consequence of the shrinking Himalayan glaciers, as mentioned in the text?
Detailed Solution for Test: Impact of Climate Change - Question 6
Current trends continue, the shrinking Himalayan glaciers, which are the principal dry-season water sources for major rivers in Asia, could lead to a reduction in water availability for these rivers.
Test: Impact of Climate Change - Question 7
Why is summer rainfall crucial to Indian agriculture, as indicated in the text?
Detailed Solution for Test: Impact of Climate Change - Question 7
The summer rainfall is crucial to Indian agriculture, accounting for almost 70% of India's total annual rainfall. This emphasizes its significance for the agricultural sector.
Test: Impact of Climate Change - Question 8
According to the text, which sector is the largest consumer of water in India?
Detailed Solution for Test: Impact of Climate Change - Question 8
Currently, the agriculture sector is the largest consumer of water in India, accounting for about 83% of the available water.
Test: Impact of Climate Change - Question 9
How does climate change affect freshwater availability in Central, South, East, and South-East Asia, as per the text?
Detailed Solution for Test: Impact of Climate Change - Question 9
By the 2050s, freshwater availability in Central, South, East, and South-East Asia, particularly in large river basins, is projected to decrease due to climate change.
Test: Impact of Climate Change - Question 10
How might rising sea levels impact Goa, India, as mentioned in the text?
Detailed Solution for Test: Impact of Climate Change - Question 10
Rising sea levels pose a grave risk to Goa, as it could lead to the loss of a large percentage of its land area, including many famous beaches and tourist infrastructure. This would have significant implications for the region.
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