Q:

By volume, 78% of air is _______________

A) nitrogen	B) oxygen
C) hydrogen	D) helium

Answer & Explanation Answer: A) nitrogen

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Filed Under: Chemistry
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Q:

Molecular clocks are based on the idea that _____.

A) On average neutral mutations arise at a constant rate	B) Directional selection occurs at a constant rate
C) Mutations occur once every generation	D) Molecules resonate at a certain frequency that can be measured

Answer & Explanation Answer: C) Mutations occur once every generation

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Filed Under: Biology
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Q:

What is special about a sword-billed hummingbird?

A) It is the smallest bird in the world	B) Its bill is longer than the rest of its body
C) It lives only in Antarctica	D) It cannot fly

Answer & Explanation Answer: B) Its bill is longer than the rest of its body

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Filed Under: Animals and Birds
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Q:

(−12)[11+7×(−3)]÷{}[413−(−3)×(−6)]=

A) 6	B) -4
C) 4	D) -2

Answer & Explanation Answer: A) 6

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Filed Under: Quantitative Aptitude - Arithmetic Ability
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Q:

The average of 17 results is 60. If the average of first 9 results is 57 and that of the last 9 results is 65, then what will be the value of 9th result?

A) 39	B) 78
C) 117	D) 156

Answer & Explanation Answer: B) 78

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Q:

Which of the following increased in the 1920's?

A) Farmers' debt	B) Domestic demand for U.S. farm products
C) Prices for farm productsc)	D) Foreign demand for U.S. farm products

Answer & Explanation Answer: A) Farmers' debt

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Filed Under: Indian History
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Q:

Who awarded the Kaisar-i-Hind medal of the British to Mahatma Gandhi for his contribution to ambulance services in South Africa?

A) Lord Dalhousie	B) Lord Canning
C) Lord Hardinge	D) Lord Curzon

Answer & Explanation Answer: C) Lord Hardinge

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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

The Management Committee (A)/ was divided (B)/ in their opinion. (C)/ No Error (D)

A) A	B) B
C) C	D) D

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