Question # 1

As we go up in the air.

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Atmospheric pressure increases

Atmospheric pressur edecreases

Atmospheric pressur edoes not change

Atmosphericpressur ebecomes zero at the height of 1 km

In humans, the eye colour is developed due to the effects of.

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Diet

Environment

Genes

Both a and b

A metal

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C

Ne

Cu

C

It is used for diabetes.

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Vaccines

Interfron

Insulin

Beta -Endorphin

An atom containing two electrons.

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Be

Li

H

He

How is the angle of incidence related to the angle of reflection.

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It is greater

It is smaller

It is same

None of these

........ are the functional units of the kidneys.

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Renal cortex

Nephrons

Renal medulla

Renal pyramids

A microphone converts mechanical wave energy into.

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Video signals

Ausio and video signals

Audio signals

None of these

A relationship where two species live togetehr closely is called.

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Mutualism

Commensalism

Symbiosis

Hebitate

During interphase.............. in the nucleus are duplicated.

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DNA

Gametes

Cytokinesis

Chromosomes

The section of DNA which has information for making a specific protein is called.

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DNA strand

Nucleotide

Chromosomes

Gene

During photosynthesis in plants, carbon dioxide CO2 and water react to produce.

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Water

Energy

Glucoe

CO2

hardest matter on the Earth is.

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Lead

Diamond

Brick

Urea

Carbon burns in air to release energy along with the formation of.

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Carbon dioxide and hydrogen

Carbon monoxide and hydrogen

Carbon di oxide

Carbon dioixe and water

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