Questions

Q:

Rate at which velocity changes over time?

A) Speed B) Displacement
C) Acceleration D) Jerk
 
Answer & Explanation Answer: C) Acceleration

Explanation:

Acceleration is nothing but the rate at which velocity changes over time.

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Q:

What has roots that nobody sees, Is taller than trees, Up, up it goes, Yet it never grows?

Answer

A mountain is what has roots that nobody sees, Is taller than trees, Up, up it goes, Yet it never grows.


 


 

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Q:

The EPA studies pollution and other

A) population hazards B) environmental health hazards
C) traffic hazards D) All of the above
 
Answer & Explanation Answer: B) environmental health hazards

Explanation:

The EPA stands for Environment Protection Agency in U.S which studies pollution and other environmental health hazards.

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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Make an ass out of

A) Cause someone or oneself to look foolish or stupid B) Work very hard like a donkey
C) Be smart but act dumb D) Make a mistake
 
Answer & Explanation Answer: A) Cause someone or oneself to look foolish or stupid

Explanation:
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Q:

The first nuclear power plant in India was set up at?

A) Koodankulam B) Tarapur
C) Kaiga D) Narora
 
Answer & Explanation Answer: B) Tarapur

Explanation:
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Q:

In the given question, a part of the sentence is printed in bold. Below the sentence, three alternatives to the bold part are given which may help improve the sentence. Choose the option that reflects the correct use of the phrase in the context of the sentence. In case the given sentence is correct, your answer is (E) i.e. No correction required.

They hurried up the booth’s back and waited for the malformed youth to disperse.

i. to the booth’s back

ii. for towards the booth’s back

iii. for the booth’s backing

A) Only i B) Only ii
C) Only iii D) Both i and ii
 
Answer & Explanation Answer: A) Only i

Explanation:

The correct preposition to be used with the verb ‘hurried’ is ‘to’ and not the others. ‘Hurry to a place’ means ‘move to a place with great haste.’

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Q:

Who developed the idea of Crop Rotation?

A) Charles Townshend B) Swede Svenson
C) Potato Peterson D) Cabbage Carlson
 
Answer & Explanation Answer: A) Charles Townshend

Explanation:

Crop Rotation is the practice of growing a series of dissimilar or different types of crops in the same area in sequenced seasons. It is done so that the soil of farms is not used for only one set of nutrients. It helps in reducing soil erosion and increases soil fertility and crop yield. The British agriculturist Charles Townshend (1674–1738) popularised this revolutionary technique in the 18th century.

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Q:

What two countries have nearly 50% of global coal reserves?

A) Iran & USA B) USA & China
C) Russia & USA D) Brazil & Russia
 
Answer & Explanation Answer: C) Russia & USA

Explanation:

United States and Russia have together almost 400 billion tones. Which represents nearly 50% of world's reserves of coal.

 

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