Questions

Q:

Current in a conductor can be increased by

A) increasing the voltage across it. B) reducing its resistance.
C) both A and B D) none of the above
 
Answer & Explanation Answer: C) both A and B

Explanation:
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Filed Under: Physics
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Q:

In the given question, an idiom/phrase highlighted in bold is given in a sentence. Choose the most suitable meaning of the idiom/phrase.

The teacher looked over my homework and found it very well put together.

A) Watched B) Pioneered
C) Suspected D) Belittleed
 
Answer & Explanation Answer:

Explanation:

 “Look over” means to examine something closely. The correct answer is option 5. Belittle means to undervalue someone or something. Pioneer means to introduce or start.

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Filed Under: English

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Q:

Which state in India has the longest coastline?

A) Kerala B) Tamil Nadu
C) Maharashtra D) Gujarat
 
Answer & Explanation Answer: D) Gujarat

Explanation:
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Q:

The temperature danger zone for food is

A) 5 - 63 deg B) above 45 deg
C) below 15 deg D) None of the above
 
Answer & Explanation Answer: A) 5 - 63 deg

Explanation:

The temperature danger zone for the food that cannot be stored for long time is between 5 degrees to 63 degrees centigrade.

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Filed Under: Biology
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Q:

Some niacin is formed in the body from

A) Liver B) Skin
C) Appendix D) None of the above
 
Answer & Explanation Answer: A) Liver

Explanation:

Niacin is the name for vitamin(B3).

 

Liver can produce small amount of niacin from tryptophan.

 

To produce 1 mg of niacin we require 60 mg of tryptophan.

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Filed Under: Biology
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Q:

Which best describes the nucleus of an atom?

A) It is the densest part of the atom B) It has neutrons
C) It has protons D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The nucleus of an atom is the densest part of an atom. It contains the protons and neutrons of an atom.

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Filed Under: Chemistry
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Q:

The monomer/monomers used for the synthesis of Nylon 6 is/are

A) hexamethylenediamine and adipic acid B) caprolactam
C) urea and formaldehydeD. D) phenol and formaldehyde
 
Answer & Explanation Answer: A) hexamethylenediamine and adipic acid

Explanation:

Nylon is made when the appropriate monomers (the chemical building blocks which make up polymers) are combined to form a long chain via a condensation polymerisation reaction. The monomers for nylon 6-6 are adipic acid and hexamethylene diamine

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Filed Under: Chemistry
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Q:

What is a device queue?

Answer

A list of processes waiting for a particular I/O device is called device queue.

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