Question # 1

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

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Cancer

Bone growth

Thyroid

Brain tumor

Ice floats on the surface of water due to.

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Higher density

Lower density

Normal density

Very High density

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

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Carbon

Oxygen

Air

Hydrogen

Low iodine availability in humans causes the disease

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Goiter

Cancer

Tuberculosis

Cholera

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

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Photosynthesis

Respiration

Burning

Evaporation

The form of carbon which is not crystalline is.

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Charcoal

Graphite

Bucky Ball

Diamond

Which Gas is essential for proteins.

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Sulphur

Hydrogen

Nitrogen

Oxygen

The process by which green plants manufacture their food is

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respiration

photosynthesis

oxidation

nitrogen fixation

Oxygen and nitrogen react to form.

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Nitric Acid

Nitrogen oxide

Nitrogen peroxide

Nitrate

The sun almost entirely consists to the element

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oxygen

iron

phosphorus

hydrogen

The most common element in the universe is

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oxygen

hydrogen

nitrogen

iron

The deficiency of iodine in human body casue.

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Goiter

Cancer

Tuberculosis

Cholera

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

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Nitrogen cycle.

Carbon cycle

Nitrogen fixation

Water cycle

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

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Triatomic

Diatomic

Polyatomic

None of these

One of the essential part of all living things on the earth

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carbon

nitrogen

hydrogen

oxygen

Which gas is slightly soluble in water.

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Neon

Carbon di oxide

Argon

Oxygen

The compounds consisting of Amino acids are called

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carbohydrate

Fast

Proteins

organic compounds

If a key is stiff in a lock, rub the end of the key a soft pencil, which types of elements we obtain.

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Graphite

Silver

Gold

Paltinum

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

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10

25

35

45

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9th Class General Science Chapter 2 Chemistry and Life English Medium KPK Boards Online Mcqs MCQs With Answers

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