Previous year MCQs

Environment & Ecology UPPSC 2017 GS-I
Question

Biodiversity has maximum danger from:

Answer & Solution

Answer: (Detailed Solution Below)

Option C: Climate change

Detailed Solution:

The correct answer is “Climate change”.
Climate change is the greatest threat to biodiversity. It causes habitat destruction, shifts in species ranges, and changes in temperature and precipitation patterns, which can disrupt ecosystems and lead to species extinction.

Similar Questions:

The Environmental Kuznets Curve (EKC) shows the relationship between per capita GDP and environmental loss. What is the shape of Environmental Kuznets Curve?
  1. A) Inverted 'U' shaped
  2. B) Inverted 'V' shaped
  3. C) Onverted 'L' shaped
  4. D) None of these
The concept of ecological niche was enunciated by
  1. A) Greenels
  2. B) Darwin
  3. C) E.P.Odum
  4. D) C.C.Park
Biodiversity means:
  1. A) diverse kinds of plants and vegetation.
  2. B) diverse kinds of animals.
  3. C) diverse kinds of plants and animals in particular area.
  4. D) diverse kinds of exotic plants and animals.
Urea is:
  1. A) A nitrogen-containing organic compound
  2. B) A nitrogen-containing inorganic compound
  3. C) A plant hormone
  4. D) An Endergonic compound
Which of the following statements are true for bionomics? Select the correct answer from the codes given below:

A. It literally means 'management of life'
B. It is a synonym for ecology
C. It stresses on the value of natural system which influence human systems

Codes:
  1. A) A is correct
  2. B) A and B are correct
  3. C) B and C are correct
  4. D) All are correct
The Government of India enacted the Forest Conservation Act in the year:
  1. A) 1976
  2. B) 1980
  3. C) 1983
  4. D) 1988
"Chipko" movement was basically against
  1. A) Water pollution
  2. B) Noise pollution Deforestation
  3. C) Deforestation
  4. D) Pollution
The most biodiversity rich area in India is:
  1. A) Gangetic plain
  2. B) Trans Himalayas
  3. C) Western Ghats
  4. D) Central India
Assertion (A): Increase in the diversity of food webs promotes ecosystem stability.
Reason (R): It increases the resilience of the ecosystem.
  1. A) Both A and R are true and R is the correct explanation of A
  2. B) Both A and R are true but R is not the correct explanation of A
  3. C) A is true but R is false
  4. D) A is false but R is true
Which of the following is considered to be the optimum concentration of carbon dioxide for natural balance in atmosphere?
  1. A) 0.02%
  2. B) 0.03%
  3. C) 0.04%
  4. D) 0.05%
What has been the theme of the 2017 World Population Day?
  1. A) Be counted: Say what you need
  2. B) Investing in teenage girls
  3. C) Vulnerable population in emergency
  4. D) Family planning: Empowering people, Developing Nations
When was India's first National Action Plan on Climate Change released?
  1. A) 2000
  2. B) 2008
  3. C) 2012
  4. D) 2015