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JEE Advanced levelOne or more correct optionsDifficulty 3 of 3ev159

Select the correct statements about pesticides and detergents.

ADDT is stored in the fatty tissue of organisms
BBranched-chain detergents resist biodegradation by bacteria
CDDT is rapidly converted by soil microbes into harmless products
DSoft detergents have highly branched hydrocarbon chains

Answer: A, B

DDT is fat soluble and persistent, so it is stored in fat. Hard detergents have branched chains and resist degradation. Soft detergents have unbranched chains, and DDT is not rapidly degraded, so the last two statements are false.

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