Question # 1

The best material to be used as a core in the coils for making electromagnet is.

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Rubber

Plastic

Soft Iron

Steel

Elements of group 17 are called.

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Carbon family

Noble gases

Nitrogen family

Halogen family

Our Sun is ............ kilometres away from the Earth.

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10 millions

12 millions

15 millions

20 millions

There are ......... types of reflection

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2

3

4

5

The fine functions of the cell body which receive messages are called.

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Dendrites

AxonNucleus

Inter neuron

A force of 1800 N is acting on the surface area of 0.06 m2. The pressure exerted by he force will be.

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3 kPa

30 KPa

300 kPa

3000 kPa

Mg belong to the period of the Periodic Table.

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1st

2nd

3rd

4th

What is true formula.

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Densit = Mass x volume

Density = Mass/volume

Volume =Mass x volume

Density = volume/Mass

A relationship where two species live together closely is called

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Symbiosis

Predation

Competitor

None of these

The process of cell division involves phases.

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Two

Three

Four

Five

It takes about.......... minutes for light from the Sun to reach the Earth.

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6

7

8

9

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