Arrange the following in increasing order of DDT concentration among them as a…
2023
Arrange the following in increasing order of DDT concentration among them as a result of bioaccumulation/accumulation :
(A) Fish (B) Water body (C) Fish eating birds (D) Zooplanktons
Choose the correct answer from the options given below :
Answer: B. (B), (D), (A), (C) — DDT concentration increases with trophic levels due to biomagnification. Water (B) has the lowest concentration. Zooplanktons (D) absorb DDT from water,…
- A.
(A), (B), (C), (D)
- B.
(B), (D), (A), (C)
- C.
(C), (D), (A), (B)
- D.
(B), (A), (C), (D)
Attempted by 9 students.
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Correct answer: B
DDT concentration increases with trophic levels due to biomagnification. Water (B) has the lowest concentration. Zooplanktons (D) absorb DDT from water, followed by fish (A) that consume zooplanktons. Fish-eating birds (C), being at the top of this food chain, accumulate the highest concentration. Thus, the correct increasing order is B < D < A < C.