Question # 1

In man the correct passage of air is:

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nostrils, nasal, cavit, pharynx, trachea, arynxl, bronchi, bronchioles alveolar,duct, aleoli

nostrils, nasal cavity, Pharynx, larynx , bronchi, trachea , bronchioles , alveolar duct, alveoli

Notrils , nasal, cavity, larynx, pharynx, trachea,bronchioles, alveolar, duct alveoli,

Nasal cavity, nostrils, larynx, pharynx, alveoli , trachea bronchi, bronchioles ,alveolar dict ,

One organism kills and feed on other organism is called.

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Predation

Parasitism

Mutuatism

Commensalism

Bacterium (E.coli) which prepares human growth hormones was Synthesized in:

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1980

1910

1970

1977

Primary source of energy for all ecosystem is.

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Electricity

Sun

Fire

Nutrients

Male gametes are called:

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sperms

eggs

testes

ovaries

The type of symbiotic association in which partner gets benefits while ohter is neither benefited nor harmed is called.

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Commenaslism

Mutualism

Parasitism

Predation

The hormone which increase the rate of reabsorption of water form nephorn is:

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glucagon

insulin

vesoporession

epineophrine

Asexual reproduction in yeast takes place through:

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Budding

Fragmentation

Binary fission

Spore formation

Interior of bone is soft and porous which is called:

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Compact bone

Spongy bone

Bone marrow

Cartilage

In the food chain"grass......rabbit....... fox..............bear...........mushroom", how many types of decomposers are present"?

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1

2

3

4

Point of attachment is pulled when a muscle contracts is called.

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Origin

Insertion

Both a and b

None of these

Branch of Biology is which we study about inheritance.

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Pharmacology

Physiology

Ecology

Genetics

No. of components of coordination process is:

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4

7

3

5

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