Question # 1

Which of the following drugs is obtained from plants:

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Sedative

Analgesics

Antibiotics

Vaccines

When did scientist become able to cut and unite DNA?

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1945

1924

1944

1970

It is genetic material.

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DNA

RNA

IRNA

rRNA

The specific combination of genes in an individual is called:

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Phenotype

Genotype

Karyotype

Gepotype

By which method sponges, hydra and corals reproduce?

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Fragmentation

Spores

Regeneration

Budding

Amount of carbon dioxide in inspired air is:

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16%

0.04%

4%

None of these

What is correct about tendons?

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Tendons are flexible and they join muscles with bones.

Tendons are non-elastic and they join bones with bones.

Tendons are non-elastic and they join muscles with bones.

Tendons are flexible and they join muscles with muscles.

The animal whose DNA has been changed is called.

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Transfermed

Transgenic

Monohybrid

Dihybrid

The organs which are specifically built to detect particular type of stimulus are called.

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Receptors

Effectors

Stimuli

All of these

Inside testes, sperms are produced in:

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Vas deferencs

Sperm duct

Seminiferous tubules

Collecting duct

The position of gene on chromosome is known as:

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Locus

Allele

Genotype

Genome

Special organs , tissues or cells of the body which detect stimulae:

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Receptors

Coordination

Effectors

Dentrites

Rate of breathing depends upon concentration of which gas:

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Oxygen

Carbon dioxide

Nitrogen

Hydrogen

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