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Q:

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

Assertion (A) : There is no vaccine for AIDS.

Resson (R) : The AIDS virus changes its genetic code

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:

A vaccine contains the inactivated germs of the disease. But the AIDS virus changes its genetic code and so on vaccine has been invented for it.

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Filed Under: Assertion and Reason

Q:

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

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

Explanation:

When in winter, hot water is poured in the glass tumbler. its inner surface tends to expand while the Outer surface in contact with cold atmosphere does not. This opposite interaction causes the tumbler to break.

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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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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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Filed Under: Assertion and Reason

Q:

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

Assertion (A) : Silver is not used to make electric wires.

Reason (R) : Silver is a bad conductor.

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:

Silver is a good conductor of electricity but it is not used to make electric wires because it is expensive

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

Assertion (A) : Legumes revive the soil fertility.

Reason (R) : Microbes in the root nodules of legumes fix the atmospheric nitrogen.

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 root nodules of leguminous plants contain certain nitrogen fixing bacteria which absorb the atmospheric nitrogen and convert it into nitrogeneous compounds useful for the plants reviving soil fertility.

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Filed Under: Assertion and Reason

Q:

Which among the following is the largest museum in India

A) Salarjung Museum	B) Indian Museum
C) SubhashChandraBose Museum	D) Tagore museum

Answer & Explanation Answer: B) Indian Museum

Explanation:

Indian Museum is the largest museum in India

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Filed Under: Indian History

Q:

Which of the following city has highest historical monuments?

A) Punjab	B) Mumbai
C) Delhi	D) Hyderanad

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