Explore topic-wise MCQs in UGC-NET.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your UGC-NET knowledge and support exam preparation. Choose a topic below to get started.

1.

Consider the following statements:A) Earth would be safer without greenhouse effectB) Major contribution to the greenhouse effect comes from carbon dioxideC) Earth's climate was changing even before man appeared on earth

A. and B) only
B. and C) only
C. and C) only
D. A), B) and C)
Answer» C. and C) only
2.

Give below are two statements - one is labelled as Assertion (A) and the other is labelled as Reason (R):Assertion (A): Forests help in improving the air quality of a place.Reasons (R): Some tree species emit volatile organic compounds (VOCS) such as isoprene which may contribute to the formation of tropospheric ozone.In light of the above statements, choose the correct option:

A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) are true but (R) is not the correct explanation of (A)
C. (A) is true, but (R is false
D. (A) is false, but (R is true
Answer» C. (A) is true, but (R is false
3.

Assertion (A): Nighttime temperatures in the central parts of the city are generally higher than those over the surrounding rural areasReason (R): Radiation losses over the urban areas are less than those over the rural areasChoose the correct option:

A. Both (A) and (R) are true and is the correct explanation (A)
B. Both (A) and (R) are true but (R) is not the correct explanation of (A)
C. (A) is true but (R) is false
D. (A) is false but (R) is true
Answer» B. Both (A) and (R) are true but (R) is not the correct explanation of (A)