Which of the following causes biomagnification?
(a) SO₂ (b) Mercury
(c) DDT (d) Both b & c
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Answer:
Which of the following causes biomagnification?
(a) SO₂
(b) Mercury
(c) DDT
(d) Both b & c ✔✔
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Option (d) is the right answer
Mercury and DDT are the causes of the bio-magnification.
It's due to the following reasons :
- Whenever there is an increment of toxic substances slowly and steadily at the higher trophic levels it's stated as bio-magnification.
- Any kind of harmful or hazardous substances can't be destroyed or reused hence they get accumulated at gets passed on to the higher trophical levels.
- Mercury is released by various industries and calcium metabolism has significantly resulted in thinning of eggshells.
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