Question # 1

Which of the followings tell us how many protons an atom has?

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Mass

Weight

Atomic number

charge

The art of the compiling dictionary is called?

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Phycology

Cartography

Philately

Lexicography

Which one among the following methods is not affective in removing arsenic form contaminated ground water

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Reverse osmosis

Boiling

In exchange

Coagulation-adsorption

Animals that eat meat almost exclusively are known as:

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Herbivores

Carnivores

Prolific organisms

Arthropods

Whcih plart of he fhuman body coordiantes the functions of vaarious organs?

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Heart

Liver

Brain

Kidneys

Cost of 50 kg sugar is Rs. 1275. Find the cost of 1 kg sugar.

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Rs. 35.3

Rs. 25.5

Rs. 45.5

Rs. 55.5

Contact lenses are made from

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Polyvinyl chloride

Teflon

Polystyrene

Lucite

Cooking is quicker in a pressure cooker because

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Increased pressure raises the boiling point

Steam is not wasted

Steam cooks food faster

Water boils at a lower temperature

Dyne is a unit of:

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Sound Pressure

Force

Astronomical length

Length

An ecosystem has tow components namely

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Weeds and trees

Biotic and abiotic

Frogs and men

Plants and animals

Mycology is the study of?

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Fungus and fungi diseases

Secret writing

Wood Engraving

History of life

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