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 General Science Questions

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Q:

Glass is made of the mixture of

A) sand and silicates B) quartz and sand
C) mica and quartz D) mica and silicates
 
Answer & Explanation Answer: A) sand and silicates

Explanation:

A glass is made of liquid sand. You can make glass by heating ordinary sand and made into a liquid and mix with silicates to form a glass.

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6 2033
Q:

Who is known as the father of Modern Chemistry?

A) Robert Boyle B) Antoine Lavoisier
C) John Dalton D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:
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0 2028
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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0 2023
Q:

Which of the following processes would release energy?

A) Condensation B) Fermentation
C) Evaporation D) None of the above
 
Answer & Explanation Answer: A) Condensation

Explanation:
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2 2021
Q:

Gestalt psychology attempted to discover

A) the overall patterns of perceptions and thoughts B) the unconscious motivations for human functioning
C) how the mind helped people adapt to the world D) the basic building blocks of consciousness
 
Answer & Explanation Answer: A) the overall patterns of perceptions and thoughts

Explanation:
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0 2019
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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14 2013
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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2 2012
Q:

Which energy source generates radioactive waste?

A) Nuclear power B) Thermal power
C) Hydel power D) All of the above
 
Answer & Explanation Answer: A) Nuclear power

Explanation:

which_energy_source_generates_radioactive_waste1543400097.jpg image

Nuclear power energy source generates radioactive waste.

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4 2009