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
B. All of the above
Explanation
The correct answer is All of the above.
Correct answer
A. Air, soil and water
Explanation
The correct answer is Air, soil and water.
Correct answer
C. All of the above
Explanation
The correct answer is All of the above.
Correct answer
A. Planktons
Explanation
The correct answer is Planktons.
Correct answer
A. Hydro-electric power plants
Explanation
The correct answer is Hydro-electric power plants.
Correct answer
A. All of the above
Explanation
The correct answer is All of the above.
Correct answer
C. Non-pathogenic microbes
Explanation
The correct answer is Non-pathogenic microbes.
Correct answer
D. Dark cave
Explanation
The correct answer is Dark cave.
Correct answer
C. Both (a) & (b)
Explanation
The correct answer is Both (a) & (b).
Correct answer
B. 100
Explanation
The correct answer is 100.