General Science Questions

Q:

The basic structural unit of the body is the

A) Organs B) Cell
C) Nerve D) Brain
 
Answer & Explanation Answer: B) Cell

Explanation:

Cells are the the basic structural unit of the body.

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Q:

What is the major source of dietary sulfur?

A) Proteins B) Carbohydrates
C) Mineral salts D) All of the above
 
Answer & Explanation Answer: A) Proteins

Explanation:

 Protein cantaining foods are the major source of dietary sulfur. Foods like eggs are rich in sulfur content.

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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:

The process of making RNA from DNA is called

A) Replication B) Translation
C) Transcription D) None of the above
 
Answer & Explanation Answer: C) Transcription

Explanation:

The process of making RNA from DNA is called Transcription.

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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 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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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:

Horography is an art of

A) constructing dials B) reading paintings
C) monumental scenes D) None of the above
 
Answer & Explanation Answer: A) constructing dials

Explanation:

Horography is an art of constructing watches or dials for measurement of time.

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