Given figure represents biomagnification of DDT in an aquatic food chain. Select the incorrect statement regarding this.

Options

A. When agricultural fields are sprayed with DDT, it is carried by runoff water into nearby aquatic bodies.
B. River water may have a very low concentration of DDT, but the carnivorous fish in that river may contain high concentration of DDT, which is still suitable for consumption by huyman beings.
C. Increased concentration of DDT in birds affects calucium metabolism due to which egg shells become thin and break before maturity.
D. None of these

Answer

B

Explanation

River water will always have a very lowconcentration of DDT, but as we go to higher trophic levels concentration of DDT increases due to biomagnification. So carnivorous fish has high level of DDt and it is not suitable for consumption by human beings, because of presence of DDT.