Question # 1

The compounds consisting of Amino acids are called

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carbohydrate

Fast

Proteins

organic compounds

Nitrogen occur in the atmosphere as................. molecules.

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Triatomic

Diatomic

Polyatomic

None of these

The density of ice at o°C is & nbsp

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0.918g/cm3

0.618g/cm3

0.718g/cm3

0.8/8 g/cm3

It is not crystalline form of carbon

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charcoal

graphite

buckyballs

diamond

The form of carbon which is not crystalline is.

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Charcoal

Graphite

Bucky Ball

Diamond

The process which increases the amount of carbon dioxide in air is called

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photosynthesis

respiration

oxidation

vaporization

Teh process of converting atompspheric nitrogen to useable from is called.

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Nitrogen cycle.

Carbon cycle

Nitrogen fixation

Water cycle

The process which increases the temperature in the temperatureis called

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Photosynthesis

Oxidation

Greenhouse effect

Evaporation

The deficiency of iodine in human body casue.

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Goiter

Cancer

Tuberculosis

Cholera

The percentage of Neon by volume is.

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0.002

0.9

0.02

0.00055

Iodine .......... 131 is used in treat the........................

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Cancer

Bone growth

Thyroid

Brain tumor

It is an important constituent of DNA and RNA our body

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Iron

Chlorine

Fluorine

Phosphorus

The amout of carbon dioxide int eh air is increased by.

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Photosynthesis

Respiration

Burning

Evaporation

Bucky Ball is teh third form of pure.

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Carbon

Graphite

Magnesium

Diamond

Ice floats on the surface of water due to.

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Higher density

Lower density

Normal density

Very High density

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