pyq/2011/prelims/61

Biodiversity forms the basis for human existence in the following ways :

1. Soil formation

2. Prevention of soil erosion

3. Recycling of waste

4. Pollination of crops

Select the correct answer using the codes given below:

(A) 1, 2 and 3 only

(B) 2, 3 and 4 only

(C) 1 and 4 only

(D) 1, 2, 3 and 4