All Exams  >   UPSC  >   Shankar IAS for Environment: Summaries & MCQs  >   All Questions

All questions of Impact Of Climate Change for UPSC CSE Exam

1 Crore+ students have signed up on EduRev. Have you? Download the App

Which region(s) in Asia are projected to face freshwater availability decrease by the 2050s?
  • a)
    Central and South Asia only
  • b)
    South and East Asia only
  • c)
    East and South-East Asia only
  • d)
    Central, South, East, and South-East Asia
Correct answer is option 'D'. Can you explain this answer?

Anjali Rao answered
As per the given information, freshwater availability in Central, South, East, and South-East Asia, particularly in large river basins, is projected to decrease by the 2050s. Therefore, option (d) is correct.

Which sector consumes the largest amount of water in India?
  • a)
    Industrial sector
  • b)
    Household sector
  • c)
    Agriculture sector
  • d)
    Municipal sector
Correct answer is option 'C'. Can you explain this answer?

Rhea Reddy answered
According to the given information, the agriculture sector is the largest consumer of water in India. Therefore, option (c) is correct.

By what percentage is winter rainfall expected to decrease in central India by the 2050s?
  • a)
    5-10%
  • b)
    10-20%
  • c)
    20-30%
  • d)
    30-40%
Correct answer is option 'B'. Can you explain this answer?

Central India will experience a decrease of between 10 and 20 per cent in winter rainfall by the 2050s, which will adversely affect agriculture productivity.

How will climate change impact Indian agriculture?
  • a)
    Crop yield will increase due to higher temperatures
  • b)
    Crop yield will decrease due to decreased water availability and new pest incidence
  • c)
    Agriculture will remain unaffected by climate change
  • d)
    Only winter rainfall will decrease in central India
Correct answer is option 'B'. Can you explain this answer?

Crop yield will decrease due to decreased water availability and new pest incidence. The Third Assessment Report of the IPCC in 2001 concluded that climate change would hit the poorest countries severely, reducing agricultural products. Crop yield would be reduced in most tropical and subtropical regions due to decreased water availability and new or changed insect/pest incidence.

What is the main threat to the existence of coral reefs in India?
  • a)
    Pollution
  • b)
    Overfishing
  • c)
    Rising sea level
  • d)
    Ocean acidification
Correct answer is option 'C'. Can you explain this answer?

Rhea Reddy answered
According to the given information, the rising sea level threatens the existence of coral reefs in India, as they are saline-sensitive. Therefore, option (c) is correct.

Which season's rainfall is crucial to Indian agriculture?
  • a)
    Winter
  • b)
    Spring
  • c)
    Summer
  • d)
    Autumn
Correct answer is option 'C'. Can you explain this answer?

Summer rainfall accounts for almost 70 per cent of the total annual rainfall over India and is crucial to Indian agriculture.

What is predicted to cause catastrophic flooding downstream in the eastern and central Himalayas?
  • a)
    Glacial Lake: Outburst Floods (GLOFs)
  • b)
    Excessive rainfall
  • c)
    Riverine flooding
  • d)
    Tsunamis
Correct answer is option 'A'. Can you explain this answer?

Rahul Mehta answered
The passage states that "It is predicted that there will be an increase in the phenomenon of Glacial Lake: Outburst Floods (GLOFs) in the eastern and the central Himalayas, causing catastrophic flooding downstream, with serious damage.

How does climate change impact human health?
  • a)
    It decreases the likelihood of extreme weather events
  • b)
    It increases the severity of heat waves and other extreme weather events
  • c)
    It leads to a decrease in the spread of diseases
  • d)
    It has no impact on human health
Correct answer is option 'B'. Can you explain this answer?

Rahul Mehta answered
It increases the severity of heat waves and other extreme weather events. The passage states that "The warmer the climate the likelihood of its impact on human health becomes worse. It is anticipated that there will be an increase in the number of deaths due to greater frequency and severity of heat waves and other extreme weather events."

According to the World Health Organization (WHO), which countries are reporting malaria cases for the first time due to rising temperatures?
  • a)
    India and Pakistan
  • b)
    Nepal and Bhutan
  • c)
    China and Japan
  • d)
    Australia and New Zealand
Correct answer is option 'B'. Can you explain this answer?

Rahul Mehta answered
The passage states that "the World Health Organization (WHO) in their studies have indicated that due to rising temperatures, malaria cases are now being reported for the first time from countries like Nepal and Bhutan."

What is the projected range of people who will be exposed to increased water stress due to climate change by 2020?
  • a)
    Between 50 and 150 million
  • b)
    Between 75 and 250 million
  • c)
    Between 100 and 300 million
  • d)
    Between 200 and 500 million
Correct answer is option 'B'. Can you explain this answer?

Anjali Rao answered
According to the given information, the projected range of people who will be exposed to increased water stress due to climate change by 2020 is between 75 and 250 million. Therefore, option (b) is correct.

Chapter doubts & questions for Impact Of Climate Change - Shankar IAS for Environment: Summaries & MCQs 2024 is part of UPSC CSE exam preparation. The chapters have been prepared according to the UPSC CSE exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for UPSC CSE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.

Chapter doubts & questions of Impact Of Climate Change - Shankar IAS for Environment: Summaries & MCQs in English & Hindi are available as part of UPSC CSE exam. Download more important topics, notes, lectures and mock test series for UPSC CSE Exam by signing up for free.

Signup to see your scores go up within 7 days!

Study with 1000+ FREE Docs, Videos & Tests
10M+ students study on EduRev