Prelims Practice
Practice Prelims MCQs from actual UPSC papers. Select an option and check your answer.
Question 1 of 200/0 correct
2017Q21
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.