Question # 1

Which of the following contains high content of lead?

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Low octane fuel

High octane fuel

Cooking gas

Coal

A vegetable containing Sulphur is

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Potato

Cabbage

Brinjal

Pumpkin

Which among the following is a chemical change?

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A wet towel dries in the sun

Lemon juice added to tea causing colour to change

Coffee is brewed brewed by passing steam through ground coffee

Hot air rises over a radiator

What is called a graphical representation of a directory subdirectory?

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Dalton

Cavendish

Langumir

Bohr

Which one of the4 following scientists made Nylon?

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W.H. Carothers

Walter Hunt

C.F Kettkekring

W.L. Judson

Who invented the flush toilet?

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Dir John Harington

Sir John Lister

Sir John Fleming

Sir John Cunningham

A glass chimney stops an oil lamp from smoking because:

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It increases the supply of oxygen to the flame by convection

The heat produced ensures complete

Both to these

Neither of these

Which chamber of the heart of the pumps blood to the systemic circulation?

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Left Atrium

Right Atrium

Left ventricle

Right Ventricle

Plant absorb most of the water needed by them through their

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Embryonic zone

Growing point

root hairs

zone of elongation

Most common skin cancer

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Acne

Basal cell carcinoma

malignant melanoma

Kaposi's sarcoma

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