Question # 1

Specific sequence of DNA nucleotides is copied in the form of mRNA in a process.

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Replication

Translation

Inheritance

Transcription

How many types of nerves are classified on the basis of property of axons?

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2

3

4

5

It is the process by which the better genetic variations become more common in successive generations of population:

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Variation

Artificial selection

Selective breeding

Natural selective

Which one is effective against brain and lung cancer?

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Beta-endorphin

Vaccine

Thymosin

Insulin

How much protein is produced by 50 kg of yeast in 24 hours?

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100 Ton

150 Ton

200 Ton

250 Ton

Insulin and glucagon are produced in the .

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Hypothalamus

Anterior pituitary

Liver

Pancreas

Which is not an objective of genetic engineering?

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Production of cheese and yogurt by lactic acid bacteria.

Isolation of particular gene, or part of a gene.

Production of RNA and protein molecules.

Correction of genetic defects in higher organisms

For removing stone method in which non-electrical shock waves are bombarded on stones is called.

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Lithotripsy

Surgery

Dialysis

None of these

During exercise or other hard physical works the breathing rate may increase up to.

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30-40 times per minute

50-60 times per minute

60-70 times per minute

70-80 times per minute

How many lobs are present in right lung?

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2

3

4

5

The total amount of living matter in an ecosystem at any time is called.

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Biomass

Energy

Food Chain

Food web

Point out the FALSE statement about respiration.

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Gases can easily pass through the walls of the alveoli

Gas exchange in lungs is very efficient because lungs provide large surface area

In emphysema, the walls of alveoli break and there is more surface area.

Dust particles can damage the lung by irritating the inner alveoli surface.

____________ prevent dislocation of bones and joints.

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Ligament

Tendons

Salts

Joint

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