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General Science MCQ - Multiple Choice Question and Answer

General Science MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 22
The solar eclipse occurs when

the sun comes in between the moon and the earth
the moon comes in between the sun and the earth
the earth comes in the between the sun and the moon
None of the above

Question No : 23
The smallest functional and structural unit of kidney is called as

Granulocyte
Neuron
Reticulocyte
Nephron

Question No : 24
Nitrification means

Conversion of nitrogen to nitric acid.
Production of nitrogen from air
Convert the atmospheric nitrogen to effective nitrogen compound.
Liquifaction of nitrogen

Question No : 25
The major ingredient of leather is

Nucleic acid
Carbohydrate
Collagen
Polymer

Question No : 26
Glass is made from the mixture of

Quartz and mica
Sand and salt
Sand and silicates
None of these

Question No : 27
Permanent hardness of water, due to sulphates of the metal, can be destroyed by the use of

Sulphonates
Zeolites
Nitrates
None of these

Question No : 28
The marine animal called dugong which is vulnerable to extinction is a/an

Amphibian
Shark
Bony fish
Mammal