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 General Science Questions

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Q:

The plants which flower only once in their lifetime are called

A) Monocots B) Monocarpic
C) Monogenic D) Monogamous
 
Answer & Explanation Answer: B) Monocarpic

Explanation:

The plants which flower only once in their lifetime are called Monocarpic Plants.

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Q:

Plants wilt due to excess of

A) Photosynthesis B) Absorption
C) Transpiration D) None of the above
 
Answer & Explanation Answer: C) Transpiration

Explanation:

Plants wilt due to excess of Transpiration.

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Q:

Wind and solar energy are examples of

A) renewable B) non renewable
C) Both A & B D) None of the above
 
Answer & Explanation Answer: A) renewable

Explanation:
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Q:

Exercise improves memory and learning.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

Exercise can boost your memory and thinking skills by improvising alertness, attention and motivation.

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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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Q:

When driving in reverse you should

A) Unbuckle your seat belt so you can reverse as quickly as possible B) Take care and never reverse for a greater distance and time than is necessary
C) Put your hazard warning lights on and perform the manoeuvre as quickly as possible to minimise danger D) Sound your horn to warn other drivers
 
Answer & Explanation Answer: B) Take care and never reverse for a greater distance and time than is necessary

Explanation:
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Q:

Which of these is an example of negative feedback?

A) After you eat, insulin stimulates the lowering of blood sugar levels. B) Once labor begins, contractions increase in frequency and intensity.
C) After you eat, glucagon stimulates an increase in blood sugar levels. D) As a blood clot begins to form, the process of its formation gets faster and faster.
 
Answer & Explanation Answer: A) After you eat, insulin stimulates the lowering of blood sugar levels.

Explanation:

Eating raises blood sugar levels, insulin stimulates the lowering of blood sugar level. In this example the response to the stimulus (increased blood sugar levels) opposes that stimulus (by lowering blood sugar levels).

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Q:

Igneous rocks are classified based upon their

A) composition B) texture
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:
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