Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

The acidic air pollutants reach the Earth s surface because of wet deposition only.

A. True
B. False
Answer» C.
2.

What does the term liming mean?

A. Application of magnesium and calcium rich substances to soil
B. Erosion of calcium carbonate(lime) zones in soil
C. Excessive growth of lemon trees in acid rain prone regions
D. None of the mentioned
Answer» B. Erosion of calcium carbonate(lime) zones in soil
3.

Below which of the following pH is rain regarded as acid rain ?

A. 7
B. 7.3
C. 5.6
D. 6
Answer» D. 6
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