Question # 1

Which Gas is essential for proteins.

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Sulphur

Hydrogen

Nitrogen

Oxygen

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

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Photosynthesis

Respiration

Burning

Evaporation

The percentage of nitrogen in air is

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76%

77%

78%

79%

Low iodine availability in humans causes the disease

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Goiter

Cancer

Tuberculosis

Cholera

The compounds consisting of Amino acids are called

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carbohydrate

Fast

Proteins

organic compounds

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

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Cancer

Bone growth

Thyroid

Brain tumor

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

It is not crystalline form of carbon

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charcoal

graphite

buckyballs

diamond

The percentage of Neon by volume is.

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0.002

0.9

0.02

0.00055

The contents of sodium in leaf tissus vary from.

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0.01 - 10%

10-15%

12-16 %

Each day a normal man breathe............ litres of air.

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20,000 to 15,000

10,000 to 15,000

15,000 to 20,000

21,000, to 31,000

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

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Carbon

Oxygen

Air

Hydrogen

An essential component of haemoglobin

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sodium

Neon

iron

Aluminium

It is an important constituent of DNA and RNA our body

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Iron

Chlorine

Fluorine

Phosphorus

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