Which of the following can be threats to the biodiversity of a geographical area?

  1. Global warming
  2. Fragmentation of habitat
  3. Invasion of alien species
  4. Promotion of vegetarianism

Select the correct answer using the codes given below:

[UPSC Civil Services Exam – 2012 Prelims]

(a) 1, 2 and 3 only

(b) 2 and 3 only

(c) 1 and 4 only

(d) 1, 2, 3 and 4


Answer: (a)        

Explanation:

  • The accelerated rates of species extinctions that the world is facing now are largely due to human activities.
  • There are four major causes:
    • Habitat loss and fragmentation
    • Over-exploitation
    • Alien species invasions
    • Co-extinctions

Consider the following statements:                                                                   The Parliament of India can place a particular law in the Ninth Schedule of the Constitution of India. The validity of a law placed in the Ninth Schedule cannot be examined by any court and no judgement can be made on it. Which of the statements given above is/are correct?

Consider the following statements:                                               

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Consider the following statements:                                                         The Parliament of India can place a particular law in the Ninth Schedule of the Constitution of India. The validity of a law placed in the Ninth Schedule cannot be examined by any court and no judgement can be made on it. Which of the statements given above is/are correct?

Consider the following statements:                                               

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