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8.Microbes in Human Welfare
normal
Drinking of mineral water with very low level of pesticides (about $0.02 ppm$ ) for long periods may
A
Produce immunity against mosquito
B
Cause leukemia (blood cancer) in most people
C
Cause cancer of the intestine
D
Lead to accumulation of pesticide residues in body fat
(AIIMS-2003)
Solution
(d)In India, as a result of prolonged use of $13-31$ ppm of $DDT$ (Pesticides) can be detected in body fat of the people, highest in world.
Standard 12
Biology
