UPSC 2018 › Environment & Ecology › Ecosystems & Ecology Concepts

2 questions · 2018 · answers as per the UPSC key

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UPSC 2018 · Q2 · Environment & Ecology › Ecosystems & Ecology Concepts · Save

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 :

(a) 2 and 3 only
(b) 2 only
(c) 3 only
(d) 1, 2 and 3
Show answer
Answer: (d) 1, 2 and 3
UPSC 2018 · Q87 · Environment & Ecology › Ecosystems & Ecology Concepts · Save

Consider the following statements :

  1. Most of the world's coral reefs are in tropical waters.
  2. More than one-third of the world's coral reefs are located in the territories of Australia, Indonesia and Philippines.
  3. Coral reefs host far more number of animal phyla than those hosted by tropical rainforests.

Which of the statements given above is/are correct ?

(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
Show answer
Answer: (d) 1, 2 and 3