JEE Advanced levelOne or more correct optionsDifficulty 3 of 3ev204
Select the correct statements about DDT.
AIt persists in soil and the environment for years
BIt is appreciably soluble in water and is readily washed out
CIts concentration increases at higher trophic levels
DMammals metabolise and excrete it completely within a few hours
Answer: A, C
DDT is persistent and fat soluble, so it biomagnifies (A and C true). It is almost insoluble in water, and it is stored in fat rather than excreted quickly (B and D false).