Question # 1

if the radius of the earth were the to shrink by one percent, it mass remaining the same the acceleration due to gravity of the earth's surface would

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Decreases

Increases

Remains the same

None of these

Who discovered the smallpox vaccine:

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Joseph Lister

Alexandr Fleming

Louis Pasteur

Edward Jenner

Photosynthesis involves?

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Reduction of CO₂ and oxidation of water

Oxidation of H₂O and release of O₂

Reduction of CO₂, oxidation of H₂O and release of O₂

Reduction of CO₂,Oxidation H₂Oand release of O₂

the terminal impedance of folded dipole television antenatal is kept

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300 ohms

75 ohms

0 ohm

100 ohms

A red tomato appears to be which colour under blue light?

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Black

Red

Blue

Purple

What is the most important stimulant in tea leaves?

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Brucine

Caffeine

Phenylalanine

Theine

The symbol Ca on the periodic table stands for:

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Calcium

Carbon

Cobalt

Chlorine

The best method of control of a soil borne disease is by

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Using fungicides

Burning affected plants

Crops rotation

Seed treatment

Which of the following is the used by green plants for the manufacture of sugar:

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Carbon dioxide

Sunlight

Water

All of these

Outer covering of virus made up of protein is

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capsid

virion

coat

viriod

What do you mean by hardware?

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Hard disk

Processor

Computer Machinery

Motherboard

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