In the grasslands, trees do not replace the grasses as a part of an ecological succession because of

[UPSC Civil Services Exam – 2013 Prelims]

(a) Insects and fungi

(b) Limited sunlight and paucity of nutrients

(c) Water limits and fire

(d) None of the above


Answer: (c)        

Explanation:

  • Grasses are not replaced by trees in ecological succession because trees consume more water than grasses and can cause water scarcity for other species.
  • Moreover, trees are highly susceptible to catching fire, and the fire can spread rapidly.
  • Therefore, trees cannot replace grasses as a part of an ecological succession in grasslands.

 

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:                                               

Read More »
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