Which of the following leaf modifications occur (s) in the desert areas to inhibit water loss?

  1. Hard and waxy leaves
  2. Tiny leaves
  3. Thorns instead of leaves

Select the correct answer using the code given below:

[UPSC Civil Services Exam – 2018 Prelims]

(a) 2 and 3 only

(b) 2 only

(c) 3 only

(d) 1, 2 and 3


Answer: (d)        

Explanation:

  • All of the options provided are correct as the climate in the desert regions is of the xerophytic type, which means that the vegetation that thrives in this area is highly adaptable to survive in an environment with scarce water resources.
  • The features of desert vegetation include
    • long roots,
    • hard and waxy leaves,
    • thick barks,
    • thorns in place of leaves, and
    • tiny leaves.
  • Examples of such vegetation include cactus, pineapple, thorns, and more.

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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