Question # 1

In 1858, Charles Darwin proposed what theory to explain the diversity of living thing on earth?

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The theory of alien insemination

The theory of acquired characteristics

The theory of natural selection

The theory of DNA mutagenesis

phenomenon which converts light energy into chemical energy is

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Respiration

Photosynthesis

Transpiration

None of these

In a field there are ducks and goats together they have 77 heads 77. heads and 244 legs. The number of duck is:

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25

30

32

37

When you rub together two blocks of ice the immediate effect will be that

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They melt faster

They stick together

They become hard

The temoerature will decrease

The star seem to be higher on the sky than they actually are: This be explained by:

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Diffraction of light

Atmospheric refraction

Total internal reflection

Which of the following is not social network site?

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Amazon

MySpace

Orkut

Twitter

How many BRITHSH Gallon are there in 40 Litres:

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7

9

5

11

The length of an earth day is determined by the time required for approximately one

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Earth rotation

Earth revolution

Sun rotation

Sun revolution

Which of the following has o pH less than7?

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Blood

Tears

Pure water

saliva

What is the heaviest of the naturally occurring Noble gases?

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helium

Argon

Xenon

Radon

Which device converts heat energy into mechanical energy

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Generator

Steam engine

Electrical motor

Loudspeaker

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