Question

The bioaccumulation of pesticides in birds leads to ______ a) weakning of nest b) egg shell thinning c) failure of migrationd) loss of feather colour

Answer 1

➡Answer➡ (b) Egg shell thinning

Answer 2

Dear student,

◆ Answer -

(b) egg shell thinning

◆ Bioaccumulation -

- Bioaccumulation is the gradual accumulation of substances, such as pesticides, or other chemicals in an organism.

- This occurs when absorption of pesticides is faster than its excretion.

# Adverse effects of bioaccumulation -

- Accumulation of mercury in brain causes mercury poisoning.

- DDT, tetraethyllead kills organisms.

- Accumulation of pesticides in birds causes egg-shell thinning.

Hope this helped you. Thanks for asking.