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Assertion and Reason Questions with Answers for Competitive Exams

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 Important Questions of Assertion and Reason


Direction (11 to 15): In each of the questions given below, there are two statements marked as Assertion (A) and Reason (R). Mark your answer as per the codes provided below:

Q.11. Assertion (A):

On 26th January, 1950, the Indian Constitution came into force.

Reason (R):

26th January is celebrated as the Republic Day.

(A) A is true but R is false.

(B) Both A and R are true and R is the correct explanation of A.

(C) A is false but R is true.

(D) Both A and R are true but R is not the correct explanation of A.

(E) Both A and R are false.

Ans .   D

Q.12. Assertion (A): 

Alcohol rather than mercury is used in a thermometer to measure a temperature of 60oC.

Reason (R): 

Alcohol has a lower freezing point than mercury.

(A) A is true but R is false.

(B) Both A and R are true and R is the correct explanation of A.

(C) A is false but R is true.

(D) Both A and R are true but R is not the correct explanation of A.

(E) Both A and R are false.

Ans .   B

Q.13. Assertion (A):

Appendix is a vestigial organ in human body.

Reason (R):

It does not participate in digestion.

(A) A is true but R is false.

(B) Both A and R are true and R is the correct explanation of A.

(C) A is false but R is true.

(D) Both A and R are true but R is not the correct explanation of A.

(E) Both A and R are false.

Ans .   B

Q.14. Assertion (A):

Pipes carrying water often burst in cold countries during severe winter.

Reason (R):

Water expands on freezing.

(A) A is true but R is false.

(B) Both A and R are true and R is the correct explanation of A.

(C) A is false but R is true.

(D) Both A and R are true but R is not the correct explanation of A.

(E) Both A and R are false.

Ans .   B

Q.15. Assertion (A):

Himalayas used to lay under the sea.

Reason (R):

Fossils of various marine creatures are traced on the Himalayas.

(A) A is true but R is false.

(B) Both A and R are true and R is the correct explanation of A.

(C) A is false but R is true.

(D) Both A and R are true but R is not the correct explanation of A.

(E) Both A and R are false.

Ans .   B

Direction (16 to 20) : In each of the questions given below, there are two statements marked as Assertion (A) and Reason (R). Mark your answer as per the codes provided below:

Q.16. Assertion (A):

An electric bulb makes a 'bang' when it is broken.

Reason (R):

The air inside the bulb rushes out immediately on breaking.

(A) A is true but R is false.

(B) Both A and R are true and R is the correct explanation of A.

(C) A is false but R is true.

(D) Both A and R are true but R is not the correct explanation of A.

(E) Both A and R are false.

Ans .   A

Q.17. Assertion (A):

Shivaji developed the guerrilla Warfare.

Reason (R):

Shivaji feared the Mughals.

(A) A is true but R is false.

(B) Both A and R are true and R is the correct explanation of A.

(C) A is false but R is true.

(D) Both A and R are true but R is not the correct explanation of A.

(E) Both A and R are false.

Ans .   A

Q.18. Assertion (A):

Salt is an ingredient used to cook food at higher altitudes.

Reason (R):

Temperature is lower at higher altitudes.

(A) A is true but R is false.

(B) Both A and R are true and R is the correct explanation of A.

(C) A is false but R is true.

(D) Both A and R are true but R is not the correct explanation of A.

(E) Both A and R are false.

Ans .   D

Q.19. Assertion (A):

Legumes revive the soil fertility.

Reason (R):

Microbes in the root nodules of legumes fix the atmospheric nitrogen.

(A) A is true but R is false.

(B) Both A and R are true and R is the correct explanation of A.

(C) A is false but R is true.

(D) Both A and R are true but R is not the correct explanation of A.

(E) Both A and R are false.

Ans .   B

Q.20. Assertion (A):

Carbon monoxide when inhaled causes death.

Reason (R):

Carbon monoxide combines with hemoglobin.

(A) A is true but R is false.

(B) Both A and R are true and R is the correct explanation of A.

(C) A is false but R is true.

(D) Both A and R are true but R is not the correct explanation of A.

(E) Both A and R are false.

Ans .   B

If you have any doubt or want to ask anything related assertion and reason questions, you can ask me in the comment section.

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