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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) : a Vaccines prevent diseases. 

Reason (R)    : Vaccines must be given to children. 

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: B) Both A and R are true but R is NOT the correct explanation of A.

Explanation:

Vaccines prevent diseases by developing immunity inside the body and vaccines must be given to children to build in them a resistance against diseases. 

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5 7006
Q:

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

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

Explanation:

Carbon monoxide, when inhaled, combines with haemoglobin of blood to form carboxyhaemoglobin which inhibits the transport of oxygen. 

 

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6 6989
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 6894
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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4 6822
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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5 6812
Q:

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

Assertion (A)  : In India, females have higher life expectancy than the males. 

Reason (R)    : Females receive a better diet. 

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 & Explanation Answer: D) Both A and R are false.

Explanation:

In India, due to high birth rate and due to neglect, females have a lower life expectancy than the males and although females need a better diet, they do not receive it. 

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4 6767
Q:

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

Assertion(A) :  A little gap is left between iron rails. 

Reason (R)   :  Iron expands in summer. 

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:

Iron expands in summer. So, gaps are left between rails to allow for expansion. 

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6 6682
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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