Question # 1

The metal, which is a constituent of vitamin B12, is

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Cobalt

Iron

Zinc

magnesium

In 1987, what was Fred Whipple awarded?

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Henry Norris Russell Award

Gold Medal of the Royal Astronomical Society

J.lawrence Smith award

Distinguished Federal Civilian Service Award

Which one of the following is used as an explosive?

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Nitroglycerine

Phosphorus trichloride

Graphite

mercuric oxide

A PPD skin test is used to diagnose which of the following?

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Tuberculosis

Syphilis

Whooping cough

Diphtheria

A trains of 150 meters long is running with a sped of 30 km/hr.When will pass a standing man?

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18 sec

45 sec

12 sec

5 sec

A student by chance mixed acetone ewi9th alcohol.This mixture of acetone and alcohol can be separated by:

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Fractional distillation

Filtration

Separating funnel

Fractional crystallisation

Which of the following is not one of the salivary glands

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Adenoids

Sblingual

Parotid

Submandibular

Which vitamin is required for formation and maturation of RBCS?

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Vitamin B-12

Vitamin B-5

Vitamin B-6

Vitamin C

Why does diamond shine at night?

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Diamonds are radioactive so there are radiation

On account of high refractive index, the rays of light get internally reflected

Diamonds shine because they have some amount of radium in the

Diamond shine s because it has Structure molecular structure

Pasteurization is the process in which milk is heated to?

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60°C for 10 minutes

63°C for 20 minutes

72°C for 10 minutes

63°C for 30 minutes

The endocrine system chemically controls the various functions of cells tissues and organs through the secretion of:

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Enzymes

Lipids

Hormones

Vitamins

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