Question # 1

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

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Cancer

Bone growth

Thyroid

Brain tumor

The body of a young boy contains approximately... litres of water.

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10

25

35

45

Which gas is slightly soluble in water.

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Neon

Carbon di oxide

Argon

Oxygen

The form of carbon which is not crystalline is.

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Charcoal

Graphite

Bucky Ball

Diamond

The process which increases the temperature in the temperatureis called

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Photosynthesis

Oxidation

Greenhouse effect

Evaporation

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

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Nitrogen cycle.

Carbon cycle

Nitrogen fixation

Water cycle

The sun almost entirely consists to the element

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oxygen

iron

phosphorus

hydrogen

Coke is formed in the absence of..........

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Carbon

Oxygen

Air

Hydrogen

What type of liquid has abnormal freezing and boiling point.

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Water

Juice

Petrol

Diesel

The compounds consisting of Amino acids are called

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carbohydrate

Fast

Proteins

organic compounds

Ice floats on the surface of water due to.

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Higher density

Lower density

Normal density

Very High density

The process which loops the amount of nitrogen constant in air is

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nitrogen fixation

nitrogen cycle

oxidation

photosynthesis

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

The deficiency of iodine in human body casue.

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Goiter

Cancer

Tuberculosis

Cholera

Low iodine availability in humans causes the disease

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Goiter

Cancer

Tuberculosis

Cholera

The contents of sodium in leaf tissus vary from.

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0.01 - 10%

10-15%

12-16 %

It is not crystalline form of carbon

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charcoal

graphite

buckyballs

diamond

The process by which green plants manufacture their food is

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respiration

photosynthesis

oxidation

nitrogen fixation

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