Question # 1

Who proposed the double-helical model of the DNA?

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Watson, Crick and Franklin

Hershey and Chase

Griffith

Avery, Macleod and MaCarty

Gun powder was invented by:

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Roger Bacon

Alferd Noble

Abbert Einstein

Fleming

Which human gland does secret growth hormones?

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Pancreas

Thalamus

Pituitary Gland

Liver

Which of the following is the lightest substance known?

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Oxygen

Nitrogen

Hydrogen

Carbon

Which of the following is not a chemical action?

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Buring of coal

conversation of water into steam

Digestion of food

Burinig of paper

A sum of money at simple interest amounts to Rs. 2800 in 2 Yeas and Rs. 3250 in 5 years. Find the sum and the rate of interest.

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Rs. 2500 and 6%

Rs.2000 and 5%

Rs 1000 and 10%

Rs 3000 and 15%

In 1803m John Dalton proposed that all substances are composed of small, dense, indestructible particles known as what?

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Molecules

Tic - Tacs

Daltons

Atoms

The study of he behavior and properties of matter is called what?

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Physics

Anatomy

Cryptography

None of these

Who is known of his ' germ theory of disease'?

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Louis Pasteur

Linus Pauling

Sir macfarlane Burnet

Gerald Edelman

BTU sis the abbreviation of

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British Technical units

British thermal units

British temperature units

X-ray is:

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Electromagnetic waves

The flow of positive charge

^{The flow of neutral practices}

The flow of electron

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