Question # 1

Our skin becomes dark, when exposed to excess sunlight. This is because of our ski9n pigment called

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Flavoxanthin

Melanin

Carotene

Xanthopny ll

Which fo the following are NOT involved in the process of breathing in humans?

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Nervous system

Diaphragm

Rib Muscles

Neck Muscles

Alexander Graham bell has bell has been credited with inventing the telephone in 1876. How did bell come up with the idea of the telephone?

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He was reading

He was daydreaming

What was relaxing in the bathtub

None of these

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 does BIOS stand for?

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Binary i/p and o/p system

Biological internet

Both a&b

None of the above

The biologist who believed in the spontaneous creation of microorganisms:

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Leuwenhoek

Needham

Spallanzani

Pasteur

A sum of money at simple interest double in 10 years. In how many years will it amount to 4 time it self?

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25 years

35 years

30 years

75 years

Which among the following is an element:

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Alumina

Brass

Graphite

Silica

What does a photometer measure?

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Atmospheric pressure

Very high temperature

Radioactivity

Water intake

____ounces are there in one pound:

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18

16

14

15

Many plants join up to from forests and forest help us in may ways, Pick out the major use(s) of forests form the following.

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They provide food

They provide wood

Both of these

Neither of these

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