Question # 1

Baking soda, calcium carbonate, glycerin, fluorides are usually used for making.

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Soaps

Detergents

Tooth paste

Banaspati ghee

The weight of brain of an adult main is.

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1.5 kg

2.0 kg

2.5 kg

3.0 kg

On ampere is equal to.

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100 mA

10 mA

1000 mA

10000 mA

Two equal forces actat the same time on the same stationary object but in the opposite directions. Which statement describes the object's motion.

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The object changes direction

The objet accelerates

The object remains stationary

The object moves at a constant speed

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

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Parent

Primary

Secondary

Daughter

Number of elements in short period is.

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2

8

16

32

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

Speed of light through water is about.

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300000 km/s

250000 km/s

225000 km /s

200000 km/s

Which of the following is not a biotechnology product.

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Insulin

Interferon

Beta endorphin

Quinine

Green house gases is

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Carbon di oxide

Methane

Oxides of nitrogen

All these

--------------- is used is solar cooker.

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Convex mirror

Concave mirror

Convex lens

Concave lens

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