General Knowledge Questions

Q:

The force that generates wind is

A) Gravity force B) Pressure gradient force
C) Coriolis force D) Centrifugal force
 
Answer & Explanation Answer: B) Pressure gradient force

Explanation:

Wind is the flow of gases on a large scale. On the surface of the Earth, wind consists of the bulk movement of air. The force that generates wind is called as Pressure gradient force.

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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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Q:

To the economist, total cost includes

A) neither implicit nor explicit costs. B) implicit, but not explicit, costs.
C) explicit, but not implicit, cost. D) explicit and implicit costs.
 
Answer & Explanation Answer: D) explicit and implicit costs.

Explanation:
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Q:

What molecule carries genetic information?

A) RNA B) DNA
C) Proteins D) Nucleotides
 
Answer & Explanation Answer: B) DNA

Explanation:

The nucleus of a cell contains chromosomes, which carry genetic information in a long molecule called DNA.

Genes are regions of DNA that carry the code to control a particular cell activity or the production of a particular protein.

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Q:

The first formed primary xylem elements are called ___________.

A) Metaxylem B) Protoxylem
C) Xylem fibres D) Xylem parenchyma
 
Answer & Explanation Answer: B) Protoxylem

Explanation:
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Q:

The term facultative anaerobe refers to an organism that

A) Uses oxygen or grows without oxygen. B) Requires less oxygen than is present in air.
C) Prefers to grow without oxygen. D) Is killed by oxygen.
 
Answer & Explanation Answer: A) Uses oxygen or grows without oxygen.

Explanation:

The term facultative anaerobe refers to an organism that which uses oxygen when it is present or grows without oxygen when it is not there.

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Q:

Venus has atmosphere made up of 

A) Ammonia B) Carbon-di-Oxide
C) Helium D) Hydrogen
 
Answer & Explanation Answer: B) Carbon-di-Oxide

Explanation:

Venus has a very high surface temperature of 500o Cand the pressure is 90 times that on the earth.

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Q:

The wrist is what to the hand?

A) Deep B) Proximal
C) Lateral D) Superior
 
Answer & Explanation Answer: B) Proximal

Explanation:
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