Question # 1

The process by which green plants manufacture their food is

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respiration

photosynthesis

oxidation

nitrogen fixation

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

The percentage of oxygen in Air is

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78%

21%

0.04%

33%

Chemical reaction taking place in animal and plant cells are collectively called

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Catabolism

Anabolism

Metabolism

Non of these

DPT vaccination is not effective for the disease

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Diphtheria

Polio

Whooping

Diphtheria

The deficiency of iodine in human body casue.

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Goiter

Cancer

Tuberculosis

Cholera

A set of all the genes in a cell i s called

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Antigens & nbsp

Nucleotides & nbsp

Genome & nbsp

RNA

The date of death of jabir Bin Hayan is.

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925

817

1039

1049

The compound which is required in very small amonut is.

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Carbohydrate

Protein

Fats

Vitamins

The era of Islamic Chemistry is.

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200 A.D. to 700 A.D.

500 A.D. to 1100 A.D.

600 A.D. to 1400 A.D

Befor 500 B.C.

It is an organic compound

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natural gas

ammonium

water

sodium chlorides

The height of Stratosphere form sea level is.

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50 km

55 km

60 km

45 km

Those substance which disrupts brain functin are.

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Sedatives

Hallucinogens

Pain killer

All of them

Al-Bairuni discovered taht radius of earth was.

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6338

6448

6353

7353

The germs of this disease live in the dust and faeces of man and animals

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AIDS

D.D.T

Measles

Tetanus

The proportion of carbon dioxide in air is.

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40 percent

0.4 percent

0.04 percent

0.004 percent

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