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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Filed Under: Assertion and Reason

6 7172
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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Filed Under: Assertion and Reason

6 7496
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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Filed Under: Assertion and Reason

6 6854
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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Filed Under: Assertion and Reason

6 7060
Q:

Who was the first person to cross the Alps with army

A) Hannibal B) Napolean
C) Alexander D) None of these
 
Answer & Explanation Answer: A) Hannibal

Explanation:
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Filed Under: Famous Personalities

6 7477
Q:

The schools which taught primary education to Muslims during the period of sultanate

A) Mukhaddams B) Makthabs
C) Kohies D) None
 
Answer & Explanation Answer: B) Makthabs

Explanation:

Makthabs taught the primary education to muslims during the period of sultanate

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Filed Under: World History

6 4662
Q:

What is the largest of all the Airports?

A) King Abdul Khalid International Airport B) Veer Savarkar International Airport
C) Cochin International Airport D) None
 
Answer & Explanation Answer: A) King Abdul Khalid International Airport

Explanation:

King Abdul Khalid is the largest of all the Airports.It is situated in Riyadh ,Saudhi Arabia

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6 3639
Q:

There are how many Non-permanant members of Security Council?

A) 5 B) 10
C) 15 D) 20
 
Answer & Explanation Answer: B) 10

Explanation:

There are 10 Non-permanant members of Security Council

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Filed Under: Indian Politics

6 4746