Question # 1

The gas produced in mesophyll cells as by product during day time is called.

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Oxygen

Carbon dioxide

Nitrogen

Chlorine

Nucleus and cytoplasm of neurons located in:

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Cell body

Dendrites

Axons

Myelin Sheath

Sulfonamides affect bacteria in the following way;

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break the cell wall

inhibit protein synthesis

Stop the synthesis of new cell wall

Stop the Synthesis of folic acid

Muscles can only:

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Contract

Push

Expand

All of the above

Variation selected for their transmission to next generation are:

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Favourable

Continuous

Discontinuous

None of these

Which would NOT be present in the filtrate entering the Bowman's capsule of nephron?

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Water

Calcium ions

Blood cells

Urea

The base of food chain is always formed by:

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Producers

Consumers

Decomposrs

Heterotrophs

The maintenance of internal body temperature is called.

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Osmoregulation

Thermoregulation

Excretion

Guttation

The number of axons present in sensory neuron is:

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one

two

three

many

The animal whose DNA has been changed is called:

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Transformed

Transgenic

Monohybrid

Dihybrid

International breeding between individuals for certain traits, or combination of traits is called as.

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Variations

Evolution

Natural selection

Artificial selection

______is unable to see during day time.

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Rabbit

Owl

Cat

Human

A disease involving the breakdown of air sacs of the lungs is:

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Bronchitis

emphysemsa

pneumonia

asthma

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