Question # 1

Th graphical epresentation of tropihic relationship oforaganisms in an ecosystem is called.

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Food Chian

Ecological pyramid

Trophic level

Predation

You are different from your brother and sisters This is called

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Adaptation

Variation

Mitosis

Hereditary

Zygote is formed by the fusion of.

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Two sperm cells

Two egg cells

Two somatic cells

Sperm cell andegg cell

The colour of eyes in an organism is controlled by a.

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Egg

Zygote

Chromosomes

Gene pair

Energy of ............ is trapped as chemicla energy by producers.

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Moon

Atom

Sun

Earth

An element of the third period is the periodic table.

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Li

He

P

H

Exothermic reaction ae those reactions durng which heat is.

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Given out

Remain same

Absorbed

Used

It is use ful for stimulating growth.

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Vaccines

Interferon

Beta-endorphin

Growth hormone

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

Scientific study of space by using especially developed technology is called.

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Space invention

Space exploration

Space searching

Space developing

Reduction of chromosomes takes place during.

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Mitosis

Meiotic -I

Meiotic -II

Both mitosis and meiotic -II

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