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Calcium metabolism in birds gets disturb...

Calcium metabolism in birds gets disturbed due to the effect of:

A

DDT

B

Lead

C

Copper

D

Mercury

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Verified by Experts

The correct Answer is:
A
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Which of the following statements is incorrect about DDT I. DDT stands for dichlorodiphenyltrichloropropane and is an organochlorine insecticide . II. DDT is soluble in water but insoluble in organic solvents. III. High concentrations of DDT disturb calcium metabolism in birds, which causes thinning of eggshell and their premature breaking . IV. In fish - eating birds, the DDT can ultimately reach a very high level of 25 ppm.

GRB PUBLICATION-ENVIRONMENTAL ISSUES-Assertion & Reason Type Questions
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