Question # 1

The device which converts the chemical energy into electrical energy?

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Battery

Electrical motor

Steam engine

Generator

Maize grain is

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a seed

an embryo

an ovule

a fruit

Whey day-light hu4s are increased. the rate of photosynthesis

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Increases

Decreases

Remains unchanged

None of the above

A certain number when divide by 899 gives a remainder 63. what is the remainder when the same number is divided by 29?

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25

5

27

31

Which one of the4 following scientists made Nylon?

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W.H. Carothers

Walter Hunt

C.F Kettkekring

W.L. Judson

The age of a father is twice that of the elder son. Ten years hence the age of the father will be three times of that of the younger son. If the difference of ages of the two sons is 15years, the age of the fathers

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50 years

55 years

60 years

70 years

The world' oldest medical text is about _____ years old.

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950

2,000

4,000

3,000

Erg is the unit of

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Radioactivity

Quantity of Heat

Work of energy

Electric Capacitance

Who among the following do9es not have chemical element named after him?

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Albert Einstein

Enrico Fermi

Isaac Newton

Mendeleev

The scientific study of plant life is called what?

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Hematology

Botany

Archaeology

None of these

Plant absorb most of the water needed by them through their

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Embryonic zone

Growing point

root hairs

zone of elongation

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