Questions

Q:

Algal bloom results from

A) Global warming B) Salination
C) Eutrophication D) Biomagnification
 
Answer & Explanation Answer: C) Eutrophication

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Filed Under: Biology
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Q:

Which one of the following statements is correct?

A) The oxidation number for hydrogen is always zero. B) The oxidation number for hydrogen is always + 1.
C) The oxidation number for hydrogen is always -1. D) Hydrogen can have more than one oxidation number.
 
Answer & Explanation Answer: D) Hydrogen can have more than one oxidation number.

Explanation:

Hydrogen has two possible oxidation numbers: +1 and -1.

-1 in case of hydrides.

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Filed Under: Chemistry
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Q:

Matter is classified as a

A) pure substance B) mixture
C) both 1 & 2 D) none of the above
 
Answer & Explanation Answer: C) both 1 & 2

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Filed Under: Chemistry
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Q:

Which among the following is the difference in valuebetween a countrys imports and exports?

A) Balance of Trade B) Balance of Payment
C) Balance of power D) Credit Balance
 
Answer & Explanation Answer: A) Balance of Trade

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Filed Under: Indian Economy
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Q:

Which of these railway stations is a World Heritage Site?

A) Kharagpur Railway Station B) Howrah Station
C) Chhatrapati Shivaji Terminus D) Kanpur Central
 
Answer & Explanation Answer: C) Chhatrapati Shivaji Terminus

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Filed Under: Indian Geography
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Q:

The angles of elevation of the top of a temple, from the foot and the top of a building 30 m high, are 60° and 30° respectively. Then height of the temple is

A) 50 m B) 43 m
C) 40 m D) 45 m
 
Answer & Explanation Answer: D) 45 m

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Q:

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it? d_c_d_cb_c_b

A) cbccd B) cbcdc
C) cbbdc D) cbdbc
 
Answer & Explanation Answer: B) cbcdc

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Q:

A sentence has been given in Direct/Indirect Speech. Out of the four given alternatives, select the one which best expresses the same sentence in Indirect/Direct Speech.

 

The doctor said to us, “Where are you going?”

 

A) The doctor enquired where we were going B) The doctor enquired about our destination
C) The doctor said where are we going D) The doctor says where we going
 
Answer & Explanation Answer: A) The doctor enquired where we were going

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Filed Under: English
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