MCQs
Read every question, see the correct answer, and understand the explanation at your own pace. Study mode has no timer and no negative marking.
Correct answer
D. Planktons
Explanation
The correct answer is Planktons.
Correct answer
C. 450 ppm
Explanation
The correct answer is 450 ppm.
Correct answer
A. DDT
Explanation
The correct answer is DDT.
Correct answer
C. 28.6
Explanation
The correct answer is 28.6.
Correct answer
A. All of the above
Explanation
The correct answer is All of the above.
Correct answer
C. None of these
Explanation
The correct answer is None of these.
Correct answer
D. Both (a) & (b)
Explanation
The correct answer is Both (a) & (b).
Correct answer
D. Halotism
Explanation
The correct answer is Halotism.
Correct answer
C. Afforestation
Explanation
The correct answer is Afforestation.
Correct answer
A. Hypolimnion
Explanation
The correct answer is Hypolimnion.