Question # 1

The energy of the Sun in traped as chemical energy by.

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Tertiary consumers

Primary consumers

Producers

Secondary consumers

A relationship where two species live togetehr closely is called.

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Mutualism

Commensalism

Symbiosis

Hebitate

Before mitosis, sets of chromosomes are.

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Two

Three

Four

Five

When same amount of force is applied on differente areas, it exerts.

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Low pressure on small area

No Pressure on small area

High pressur eon small area

High pressur eon large area

Carbon cycle and ............. cycle are teh processes in whihc these minerals circulate between the organisms and the environment.

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Hydrogen

Iodine

Oxygen

Nitrogen

On the basis of their functions, neurons are of ............. type.

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Two

Three

Four

Five

Strong alkalis have pH value.

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3 to 7

1 to 2

7 to 13

13 to 14

What happens when light hits a shiny or smooth surface.

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It is disappeared

It is refracted

It is absorbed

It is reflected

All acids have a taste.

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Sweet

Sour

Bitter

Salty

hardest matter on the Earth is.

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Lead

Diamond

Brick

Urea

Allowy is ......... forms of metals mixed together.

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Solid

Gas

Normal

Molten

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