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 Assertion and Reason Questions

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Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative 

Assertion (A)   :   Most of the Himalayan rivers are perennial. 

Reason (R)      :   They are fed by melting snow. 

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 & Explanation Answer: A) Both A and R are true and R is the correct explanation of A.

Explanation:

Most Himalayan rivers originating in Himalayan peaks are perennial because they are fed by the melting snow throughout the year. 

 

 

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Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative 

Assertion (A)   :   Weeds should not be allowed to grow along with the crops. 

Reason (R)     :    Weeds leave no space for plants to grow. 

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 & Explanation Answer: C) A is true but R is false.

Explanation:

Weeds should not be allowed to grow along with the crops because they consume the plant nutrients. 

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Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative 

Assertion (A) : Cut fruits and vegetables should not be kept in open for long. 

Reason (R)   : Their vitamin content is ruined. 

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 & Explanation Answer: A) Both A and R are true and R is the correct explanation of A.

Explanation:

When cut fruits and vegetables are kept in open, the vitamins in them get oxidised and remain of no use. 

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Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative 

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 & Explanation Answer: C) A is true but R is false.

Explanation:

Iron with specific gravity less than that of mercury but more than that of water, floats in the former but gets immersed in the second 

 

 

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6 11162
Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative 

Assertion (A)  : In India, people elect their own representatives.

 Reason (R)    : India is a democracy.

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 & Explanation Answer: A) Both A and R are true and R is the correct explanation of A.

Explanation:

India, being a democracy, it is a government run by the representatives elected by its people 

 

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Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative 

Assertion(A)   :   In India, the judiciary is independent of the executive. 

Reason (R)     :   Judiciary favours the government and helps in the implementation of its plans. 

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 & Explanation Answer: C) A is true but R is false.

Explanation:

In India, the judiciary is completely independent of the executive. It has no interference in the affairs of the state nor can it be influenced by the government. 

 

 

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3 10879
Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative 

Assertion(A)    :    Increase in carbon dioxide would melt polar ice. 

Reason (R)      :    Global temperature would rise

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 & Explanation Answer: A) Both A and R are true and R is the correct explanation of A.

Explanation:

The carbon dioxide envelope in earth's atmosphere traps the heat. With increase in the proportion of carbon dioxide, therefore, the global temperature would rise, thus causing the polar ice to melt 

 

 

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9 10871
Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative

Assertion (A) :   Bats can fly in the night.

Reason (R) :      Bats emit ultrasonics. 

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 & Explanation Answer: A) Both A and R are true and R is the correct explanation of A.

Explanation:

Bats can fly in the night because they can trace the obstacle in the path by perceiving the echo of the ultrasonic sound emitted by them after it is reflected by the obstacle. 

 

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