Question # 1

The structure of DNA was discovered by whom?

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James Watson and Francis Crick

Cari David Anderson

Paul Dirac

John Napier

In which of the following processes of transmission of heat material medium is not required:

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Radiation

Conduction

Convection

Reflection

Superconductors are those materials

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Which become non-conductors at transition point

Which looses all electrical resistance

In which resistance rises to infinity below certain temperature

Which conducts electricity in extra width

What is called a hardware item that can be attached to a computer to increase it functionality , such as a ;printer or monitor?

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Additional devices

Accessory

Peripheral

Devices

A powerful eye irritant present in smog is

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Nitric oxide

Sulphar dioxide

Peroxyacetly nitrate

Carbon dioxide

A fisherman sitting on the bank of a pond trying to spear a fish should aim:

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Directly at the point where he sees the fish

A little below where he sees the fish

A little above where he sees the fish

at an angle to the fish

What metallic element is also called wolfram:

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Technetium

antimony

tungsten

astatine

Which metal is most likely obtained by the electrolysis of its fused salt?

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Au

Ag

Li

Zn

The sum of the tow digits of a two digit number is 14. The difference between the first digit and the second digit of the tow digit number is 2. What is the product of the tow digits of the tow digit number?

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56

48

45

65

Which device was the invented in 1973 by Dr Martin Cooper at Motorola?

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Cordless phone

Pager

Cell phone

Satellite phone

Acute lead poisoning is also known as

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Byssinosis

neuralgia

Itai-Itai

Plumbism

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