Question # 1

Penicillin is discovered by:

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^{Joseph Lister}

Edward jenner

Alexander Flemming

Bu Ali Sina

Outside back bone of double helix is made up:

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Sugar

Phosphate

Sugar Phosphate

None of these

Organisms that make their own food with help of sunlight, CO and H₂O are called.

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Consumers

Producers

Decomposers

Predators

Insulin and glucagon are produced in the .

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Hypothalamus

Anterior pituitary

Liver

Pancreas

The type of arthritis in which the joints become totally immoveable:

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osteo-arthritis

gout

rheumatoid

none of these

Decomposers are.

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Algae and bacteria

Mosses

Animal

Bacteria and Fungi

Identify the correctly matched pair.

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Rainfall-biotic factor in Ecosystem

Corn-secondary consumers

Global warming fossil fuel formating

Renewable natural resource air

In ecosystem the role of decomposers is played by

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animals

plants

bacteria and fungi

algae

The functional unit of kidney is called.

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Renal Pelvis

Nephron

Bowman's capsule

Renal Medulla

The process of formation of protein is:

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Translation

Duplication

Mutation

Replication

In an adult man the average urine formation in a day is.

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4 litre

1.3 litre

1.4 litre

3 litre

Branch of Biology is which we study about inheritance.

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Pharmacology

Physiology

Ecology

Genetics

When did scientist become able to cut and unite DNA?

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1945

1924

1944

1970

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