pyq/2012/prelims/96

Which of the following can be threats to the biodiversity of a geographical area?

1. Global warming

2. Fragmentation of habitat

3. Invasion of alien species

4. Promotion of vegetarianism

(A) 1, 2 and 3 only

(B) 2 and 3 only

(C) 1 and 4 only

(D) 1, 2, 3 and 4