UPSC 2017 › Environment & Ecology › Ecosystems & Ecology Concepts

1 question · 2017 · answers as per the UPSC key

Take test Free Study this topic: Ecology and Biodiversity
All years of Ecosystems & Ecology Concepts · Full UPSC 2017 paper
UPSC 2017 · Q21 · Environment & Ecology › Ecosystems & Ecology Concepts · Save

Due to some reasons, if there is a huge fall in the population of species of butterflies, what could be its likely consequence/consequences ?

  1. Pollination of some plants could be adversely affected.
  2. There could be a drastic increase in the fungal infections of some cultivated plants.
  3. It could lead to a fall in the population of some species of wasps, spiders and birds.

Select the correct answer using the code given below :

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