Questions

Q:

Who succeeded Ghulam Nabi Azad as the Leader of Opposition in Rajya Sabha?

 

 

A) Anand Sharma B) Jairam Ramesh
C) Mallikarjun Kharge D) A K Antony
 
Answer & Explanation Answer: C) Mallikarjun Kharge

Explanation:
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Filed Under: Indian Politics
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2 9365
Q:

What is the conjugate base of H2O?

A) NH3+ B) OH-
C) H2O D) All the above
 
Answer & Explanation Answer: B) OH-

Explanation:

A conjugate acid, is a species formed by the reception of a proton (H+) by a base—in other words, it is a base with a hydrogen ion added to it.

On the other hand, a conjugate base is what is left over after an acid has donated a proton during a chemical reaction. Hence, a conjugate base is a species formed by the removal of a proton from an acid.

Because some acids are capable of releasing multiple protons, the conjugate base of an acid may itself be acidic.

Represented as the following chemical reaction:

Acid + Base ⇌ Conjugate Base + Conjugate Acid

 

The water molecule is the conjugate acid of the hydroxide ion after the latter received the hydrogen proton donated by ammonium. On the other hand, ammonia is the conjugate base for the acid ammonium after ammonium has donated a hydrogen ion towards the production of the water molecule. We can also refer to OH- as a conjugate base of H2O, since the water molecule donates a proton towards the production of NH+4 in the reverse reaction, which is the predominating process in nature due to the strength of the base NH3 over the hydroxide ion.

 

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Filed Under: Chemistry
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4 9360
Q:

The term biodiversity refers to

A) Range of genetic variation within a population B) Total number of different species within a habitat
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:

The term biodiversity refers to the variety of life on Earth at all its levels, from genes to ecosystems, and the ecological and evolutionary processes that sustain it.

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Filed Under: General Science
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Q:

What is the location of India's first elevated Urban Expressway?

 

A) Mumbai to Pune B) Delhi to Gurugram
C) Chennai to Bengaluru D) Lucknow to Allahabad
 
Answer & Explanation Answer: B) Delhi to Gurugram

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Filed Under: Indian Geography
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Q:

Rovers Cup is associated with

A) Tennis B) Football
C) Cricket D) Hockey
 
Answer & Explanation Answer: B) Football

Explanation:

Rovers Cup is associated with the sport football in India.

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Filed Under: Sports
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4 9337
Q:

India won its first Olympic hockey gold in

A) 1928 B) 1932
C) 1936 D) 1948
 
Answer & Explanation Answer: A) 1928

Explanation:
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Filed Under: Sports

33 9335
Q:

Match the characteristics with their market structure:

(a) MC = Price
(b) Firm will tend to set output so that it earns maximum profits.

A) (a) Pure Competition, (b) Pure Monopoly B) (a) Pure Monopoly, (b) Monopolistic Competition
C) (a) Oligopoly, (b) Monopolistic Competition D) (a) Pure Competition, (b) Oligopoly
 
Answer & Explanation Answer: A) (a) Pure Competition, (b) Pure Monopoly

Explanation:
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Filed Under: Indian Economy
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Q:

Simpson and Harrison are associated with the invention of

A) Boson B) Chloroform
C) Balloon D) None of these
 
Answer & Explanation Answer: B) Chloroform

Explanation:
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Filed Under: Inventions

14 9332