Question # 1

Blue and ..... lifht is absorbed by chlorophyll.

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Yellow

Orange

Red

White

The humna circulatory system is consist of

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Heart

Blood

Blood vessels

All of these

The first cell formed due to the fusion of reproductive cells in plants in called.

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Embryo

Zygote

Root

Stem

Which one of the following statements is correct.

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1 m = 1000 km

m/s is the unit of displacement.

N is the unit of force

1 h = 60 s

Chemical formula of Sulphuric Acid.

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HCl

H2SO4

HNO3

CH3COOH

The weight of an object on Earth's sufrace is 600 N, What will be its weight on the Moon's surface.

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600 N

300 N

100 N

200 N

What type of wave does not need matter to travel through.

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Mechaical

Electromagnetic

Sound

Transverse

A pigment in the skin that protcts harmful effects of sunlight.

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Haemoglobin

Melanin

Lysozyme

Lymphocyte

------------- in mouth has antiseptic property and kills microogansms in food.

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Tongue

Teeth

Saliva

Trachea

On heating sugar changes into

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Carbon

Water

Both carbon and water

Heat

What happens to water on heating.

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Evaporates

Condense

Freez

None of these

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