Question # 1

Vaccines are:

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Same as monoclonal antibodies

treated bacteria of viruses or one of their proteins

MHC proteins

Strands of nucleic acids

Hydrogen is used instead of helium to foll balloons for meteorology because

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of its low density

it is not very reactive under normal conditional

It is almost insoluble in water

it can be prepared easily

Igor Sikorsky is famous for invention of:

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Jet engine air plane

Hydroplane

Helicopter

Glider

While checked whit a multimeter, an open resistor reads-

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Zero

Infinite

High

Low

1 hairsbreadth is equal to

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1/5 of an inch

1/10 of an inch

1/20 of inch

1/8 of an inch

Human breath is visible in winter but not in summer because:

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Water vapour in breath condenses in cold air making it visible

The difference in outside pressure gives visibility to breath

Breath contains certain impurities and visible matters

Nine if these

Focusing in a camera is carried out by varying

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The amount of light

The distance of the lens form the film

The distance of the lens form the object

The brightness of light and speed of shutter

Which gas when combined with hydrogen tends to make thing wet and we would die with out it!

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Nitrogen

Chlorine

Helium

Oxygen

Human urine as compared to human blood is:

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Hypotonic

hypertonic

isotonic

All of these

The study of the organic chemistry of compounds and processes occurring in organisms

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Taxonomy

Biochemistry

Anatomy

Cryptography

______ is the study of altering human by changing their genes or it refers to improvement of human race

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Exobiology

Eugenics

Ethology

Anthropology

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