Question # 1

the outer skin of a cell is called a what?

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nucleus

Mitochondria

Cytoplasm

Membrane

Which of the following has o pH less than7?

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Blood

Tears

Pure water

saliva

Which of the following is neutral:

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Diethyl amine

Iodine

Potassium chloride

Baking soda

Teflon used for coating non-stick kitchenware is the product of chance discover the scientist?

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Roy J. Pulunkett

Johannes George Bendnorz

Karl Alexander Muller

William Henry Perkin

The minimum of a plane mirror to see the full image of a person of a is equal to-

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The height of the person

Half the height of person

One-fourth the height of the person

Double the height of the person

What caused Louis Braille' blindness

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Accidents injury by a sharp object

he was born blind

Smallpox

Scarlet fever

There is no neutron in the atom of:

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Carbon

Nitrogen

Hydrogen

Ozone

______ is the study of altering human by changing their genes or it refers to improvement of human race

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Exobiology

Eugenics

Ethology

Anthropology

Haemorrhage is better known as

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Bleeding

Clotting

Feeding

None of these

What type of EM radiation gives people tens?

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Gamma

Infrared

Ultraviolet

Visible

'Cod' is a variety of?

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Amphibia

Crop

Coral

Fish

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