CAT Questions

Q:

Deep fried foods are carcinogenic because they are rich in

A) Nicotine B) Hydrocarbons
C) Fats D) All of the above
 
Answer & Explanation Answer: C) Fats

Explanation:

Deep fried foods are carcinogenic because they are rich in fats.

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Q:

Which of the following uses a Non Renewable Energy Source?

A) Wind Mill Power Plant B) Hydro Electric Plant
C) Nuclear Power Plant D) Tidal Power Plant
 
Answer & Explanation Answer: C) Nuclear Power Plant

Explanation:

Nuclear Power Plant uses a Non Renewable Energy Source.

 

Non-renewable energy is that source of energy which can not be used again and again. This sort of energy is sustainable to exhaustion.


Non renewable energy is that form of energy which is subject to deletion. This type of energy is of many uses to us. It can be used to produce electricity, heating, cooking, transportation and manufacturing. 85% of the energy used in the industrial processes is form the non-renewable type of energy.

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Q:

Which of the following industries most closely approximates pure competition?

A) Steel B) Clothing
C) Eectronic D) Agriculture
 
Answer & Explanation Answer: D) Agriculture

Explanation:

Agriculture would be a good example of a purely competitive industry.

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Filed Under: General Science
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Q:

Who began public health and sanitation systems?

A) Mexicans B) Egyptians
C) Romans D) Chinese
 
Answer & Explanation Answer: C) Romans

Explanation:

Romans (753 BC - AD 410) began public health and sanitation systems.

 

Romans established the first public health and sanitation systems by building sewers and aqueducts.

Romans1531898190.jpg image

They also treated diseases with diet, exercise and meditation.

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Q:

Analog synthesis refers to a technology based on

A) placing brief digital recordings of live sounds under the control of a synthesizer keyboard. B) interfacing synthesizer equipment.
C) representing data in terms of measurable physical quantities. D) representing physical quantities as numbers.
 
Answer & Explanation Answer: C) representing data in terms of measurable physical quantities.

Explanation:

Analog synthesis uses a mixture of complex sounds that are shaped by filtering. It is based on representing data in terms of measurable physical quantities, in this case sound waves.

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Q:

A practice to learn something

a_practice_to_learn_something1551439875.jpg image

A) Poem B) Summary
C) Lesson D) Introduction
 
Answer & Explanation Answer: C) Lesson

Explanation:

A practice to learn something is a Lesson.

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Q:

A gradual increase in loudness is known as

A) Crescendo B) Timbre
C) Fortissimo D) None of the above
 
Answer & Explanation Answer: A) Crescendo

Explanation:
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Q:

Which statements about viruses are true?

A) HIV contains reverse transcriptase. B) A retrovirus contains RNA.
C) Both A & B D) All RNA-containing viruses are retroviruses.
 
Answer & Explanation Answer: C) Both A & B

Explanation:

The statements true about viruses are :

 

1. The capsid enters the host cell if the virus is enveloped.

2. Enveloped viruses bud from the host cell. 

3. HIV contains reverse transcriptase.

4. A retrovirus contains RNA.

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Filed Under: Biology
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