Question # 1

Law fo conservation of mass was put forward by

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Newton

Plank's

Lavoisier

Einstein

All acids have a taste.

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Sweet

Sour

Bitter

Salty

In a convex mirror, focus is.

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Under the mirror

In front of the mirror

On the mirror

Behind the mirror

One Solar system is a part of.

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Andromeda Galaxy

Jelly Fish Galaxy

Milky way galaxy

Irregular Shaped Galaxy

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

The reaction between calcium oxide and carbon dioxide to form calcium carbonate is an example of.

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Decomposition reaction

Addition reaction

Acid-Base reaction

Neutralizaion reaction

Metals are found in.................. state at room temperatures.

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Gas

Solid

Liquid

None of these

Draught and excessive...............in the soil also have harmful effects on crop productivity.

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Water

Insects

Salts

Minerals

The cells which are produced as a result of cell division are called.

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Parent

Primary

Secondary

Daughter

How many oxygen atoms are present in onw molecule of Mg(HCO3)2

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2

4

6

8

A process by which a cell divides into two daughter cells.

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Life Cycle

Cell division

Cell Cycle

Alternationof generation.

Number of elements in short period is.

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2

8

16

32

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