General Science Questions

Q:

What organelle is responsible for photosynthesis?

A) mitochondria B) Cytoplasm
C) Chloroplasts D) Ribosomes
 
Answer & Explanation Answer: C) Chloroplasts

Explanation:

Chloroplasts are organelles in plant and bacteria cells that contain the chlorophyll is responsible for photosynthesis.

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Q:

The chief constituent of gobar gas is

A) Methane B) Carbon dioxide
C) Ethane D) Hydrogen
 
Answer & Explanation Answer: A) Methane

Explanation:
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Q:

Which one of the following factors contributes to hypertension? 

A) A vigorous exercise regimen B) A diet that lacks protein
C) A high-fat diet D) A lack of sleep
 
Answer & Explanation Answer: C) A high-fat diet

Explanation:

In the given options, a high-fat diet is the only factor that contributes to hypertension.

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Q:

In the biosphere living beings are inter-related and interdependent on each other for survival. This life supporting system is known as the __________.

A) Ecosystem B) Mountain range
C) Forest D) Atmosphere
 
Answer & Explanation Answer: A) Ecosystem

Explanation:
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Q:

Which one among the following stars is nearest to the earth?

A) Proxima Centauri B) Sirius
C) Arcturus D) Spica
 
Answer & Explanation Answer: A) Proxima Centauri

Explanation:

Proxima Centauri is the nearest star to the Earth.

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Q:

The moon that we see in the sky is a _____.

A) Planet B) Star
C) Sun D) Satellite
 
Answer & Explanation Answer: D) Satellite

Explanation:
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Q:

What is it called when you can't hear?

A) Deaf B) Dumb
C) Mute D) Blind
 
Answer & Explanation Answer: A) Deaf

Explanation:

When you can't hear it is called as Deaf.

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Q:

What gas makes up most of the atmosphere?

A) Oxygen B) Helium
C) Nitrogen D) Carbondioxide
 
Answer & Explanation Answer: C) Nitrogen

Explanation:

Our atmosphere is made up of

78% Nitrogen,

21% Oxygen and

1% all other gases like argon, carbon dioxide, neon, and helium.

 

So, Nitrogen makes up the majority of our atmosphere.

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