Question # 1

Process that carry nerve impulses away from the cell body are called.

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Axon

Dendrites

Synapses

Myelin sheath

For which purpose antobiotics are use:

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For virul infections

For treatment of becterial infection

Against infection

A and B both

The material that has weakened pathogenes.

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Antibiotic

Analgesic

Vaccine

Quinine

In human and other higher animals, the exchange of gases is carried out by:

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Skin

Respiratory

Air passageway

Lungs

In man which hormone is responsible for the development of secondary sex characters:

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estrogen

progesterone

testosterone

oxytocin

Among following, which is source of variations?

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Mutation

Crossing over

Gene flow

All of these

A corn developers into new garlic plant. This process is called:

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Natural vegetation propagation

Regeneraton

Meiosis

Gametogenesis

The alternate forms of a gene are called:

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traits

companion genes

alleles

homologous genes

In which of the following gaseous exchange occur through stomata?

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The leaves and young stems

Wood stems and nature roots.

Young roots

The aquatic plants

Chromosomes carry units of inheritance called as:

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Chromatin

DNA

Genes

None of these

Charles Darwin published a book "on the origin of species by means of Natural Selection" in:

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1858

1859

1889

1890

Breakdown of glucose molecule in the presence of oxygen called :

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Glycolysis

Mytosis

Both a and b

None of these

Interferons are...................... Proteins.

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Antibacterial

Antiviral

Antifungal

Antidrugs

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