Question # 1

Law of conservation of mass put forward in.

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1783

1784

1785

1786

Peipheral nervous system consist of

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Network of nerves

Spinal cord

Brain

PNS and CNS

The last stage in the life of massive star is

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Red Gaint

White dwarf

Super Giant

Black hole

pH value of milk of magnesia.

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7

11

9

14

Which is the solution of environmental problems.

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Reducing pollution

Plantation

Protection of endangered

All these

Chromosomes consist of DNA and.

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Sperms

Gametes

Proteins

Eggs

Carbon burns in air to release energy along with the formation of.

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Carbon dioxide and hydrogen

Carbon monoxide and hydrogen

Carbon di oxide

Carbon dioixe and water

All parts of the nervous system. i.e. brain , spinal cord and nerves are made up of.

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CNS

PNS

Neurons

Nerve impulses

Half of the increase in atmospheric carbon dioxide concentrations in the last.............. years has occured since 1980

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100

200

300

400

Bromine is

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Solid

Gas

Liquid

All of these

Inter neurons are present in.

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CNS

PNS

Nucleus

Cytoplasm

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