Question # 1

A close circuit is the.

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Complete path of electric current

Incomlete path of electric current

Broken path of electric current

None of the above

Mass number of oxygen is

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6

16

26

36

A .......... force actingon a stationary object could make the object start moving.

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Balanced

Inclined

Unbalanced

Perpedicular

An event that occurs during interphase.

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Division of nuclesu

Duplication of chromosomes

Division of cytoplasm

Formation of cell wall

The poisonous and harmsful substances which make the air unfavorable for life are called.

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Solid pollutant

Air pollutant

Water pollutant

Acid Rain

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

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Dendrites

AxonNucleus

Inter neuron

Speed of light through water is about.

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300000 km/s

250000 km/s

225000 km /s

200000 km/s

Mass number is number of.

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Protons

Neutrons

Both a and b

Electrons

Through which of the following the light travels the fastest.

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Prism

Water

Air

Vacuum

Law of conservation of mass put forward in.

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1783

1784

1785

1786

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