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 General Science Questions

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Q:

What is the smallest particle of matter?

Answer

Smallest particles of matter are known as quarks and leptons that seem to be the fundamental building blocks. This is too small to measure but bigger than 0. This is ofen consider as fundamental building blocks and something even smaller.

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Q:

All of the following are functions of the skin except

A) insulation B) site of vitamin A synthesis
C) excretion body wastes D) protection from mechanical damage
 
Answer & Explanation Answer: B) site of vitamin A synthesis

Explanation:
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Q:

The study of brain is called

A) Neurology B) Nephrology
C) Phrenology D) Pathology
 
Answer & Explanation Answer: C) Phrenology

Explanation:

The study of brain is called Phrenology.

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Q:

Many satellites are placed in orbit in which layer?

A) Thermosphere B) Exosphere
C) Orthosphere D) Stratosphere
 
Answer & Explanation Answer: B) Exosphere

Explanation:
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Q:

One of the following is not a function of bones

A) Protection of vital organs B) Secretion of hormones for calcium regulation in blood and bones
C) Place for muscle attachment D) Production of blood corpuscles
 
Answer & Explanation Answer: B) Secretion of hormones for calcium regulation in blood and bones

Explanation:

Secretion of hormones for calcium regulation in blood and bones is not a function of a bone.

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Q:

Elapidae Naja is the scientific name of _______.

A) Cobra B) Elephant
C) Eagle D) Owl
 
Answer & Explanation Answer: A) Cobra

Explanation:
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Q:

Which gas in the atmosphere is essential for respiration?

A) Argon B) Carbon dioxide
C) Oxygen D) Nitrogen
 
Answer & Explanation Answer: C) Oxygen

Explanation:

Inhaling of oxygen and releasing of carbon dioxide to make our living is the process called as respiration. We know that, air is a mixture several gases like 78% of nitrogen, 21% of oxygen and several other gases with watervapour.

 

Hence, Oxygen is essential for respiration process.

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Q:

Which of the following is the main benefit of ozone?

A) absorbs ultraviolet radiation from the Sun B) neutralizes the effects of carbon monoxide
C) reduces pollution levels D) filters particulates from the atmosphere
 
Answer & Explanation Answer: A) absorbs ultraviolet radiation from the Sun

Explanation:

In the given options, all are the benfits of ozone. But, the main benefit of ozone is absorbing ultraviolet radiation from the Sun.

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