pyq/2017/csat/48

Which of the following statements is/are correct regarding biopesticides?

1. They are not hazardous to human health.

2. They are persistent in the environment.

3. They are essential to maintain the biodiversity of any ecosystem.

Select the correct answer using the code given below:

(A) 1 only

(B) 1 and 2 only

(C) 1 and 3 only

(D) 1, 2 and 3