Choose the option with incorrect statements. A. Water hyacinth grows abundantly in fresh water b...

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Choose the option with incorrect statements.
A. Water hyacinth grows abundantly in fresh water bodies.
B. Increase in concentration of DDT at successive trophic level is due to biomagnification.
C. Introduction of nutrients such as calcium \& phosphorus encourage growth of aquatic organisms.
D. Killing of fishes in eutrophic water bodies is mainly due to non-availability of oxygen.
(1) Only A
(2) B and C
(3) B, C and D
(4) A and C
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