Explore topic-wise MCQs in Assertion and Reason.

This section includes 161 Mcqs, each offering curated multiple-choice questions to sharpen your Assertion and Reason knowledge and support exam preparation. Choose a topic below to get started.

151.

Assertion (A) : Cotton is grown in alluvial soils. Reason (R) : Alluvial soils are very fertile.

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» B. Both A and R are true but R is NOT the correct explanation of A.
152.

Assertion(A) : An iron ball floats on mercury but gets immersed in water. Reason (R) : The specific gravity of iron is more than that of mercury.

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» D. A is false but R is true.
153.

Assertion (A) : Glass tumbler breaks in winter when hot water is poured in it. Reason (R) : When hot water is poured. the outer surface of glass expands.

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» D. A is false but R is true.
154.

Assertion (A) : Carbon monoxide when inhaled causes death. Reason (R) : Carbon monoxide combines with haemoglobin.

A. Both A and R are true and R is the correct explanation of A.
B. Both A and It 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 It are true but R is NOT the correct explanation of A.
155.

Assertion(A) : When common salt is kept open, it absorbs moisture from the air. Reason (R) : Common salt contains magnesium chloride.

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» B. Both A and R are true but R is NOT the correct explanation of A.
156.

Assertion(A) : Bangladesh imports jute from India. Reason (R) : Bangladesh has most of the jute mills.

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. Both A and R are false.
Answer» E.
157.

Assertion (A) : Eskimos reside in igloos. Reason (R) : No other material except snow is available.

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» D. A is false but R is true.
158.

Assertion (A) : Simla is colder than Delhi. Reason (R) : Simla is at a higher altitude as compared to Delhi.

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» B. Both A and R are true but R is NOT the correct explanation of A.
159.

Assertion (A) : Diamond is used for cutting glass. Reason (R) : Diamond has a high refractive index.

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.
160.

Assertion (A) : Pluto is the coldest planet Reason (R) : It receives slanting rays of- the sun.

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» D. A is false but R is true.
161.

Assertion (A) : Pressure cookers are fitted with ebonite handles. Reason (R) : Ebonite is strong.

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» D. A is false but R is true.