Which of the following is the result of the Bio-accumulation of DDT in birds?

1. Premature breaking of eggs.
2. Thinning of the shell of eggs.

Select the correct answer using the codes given below.
a) 1 Only
b) 2 Only
c) Both 1 and 2
d) Neither 1 and 2

Ans-[C] 

Explanation-  Bioaccumulation of DDT in birds causes thinning of the shell of eggs which results in the premature breaking of eggs.