Question # 1

Which of the following is not a biotechnology product.

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Insulin

Interferon

Beta endorphin

Quinine

Metals have .......... melting and boiling point.

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Low

High

Very low

Normal

The three key ingredients used in making soap are.

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Oil, lye, water

NaOH , Oil, lye

Glycerol, oill, lye

glycerol, water, oil

The process of cell division involves phases.

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Two

Three

Four

Five

Atomic number of th eelement of fourth position in second period.

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4

5

6

7

Exothermic reaction ae those reactions durng which heat is.

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Given out

Remain same

Absorbed

Used

Organism in ecologicla communits interact with one anothe rin....... major ways.

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Two

three

Four

Five

Sodium hydroxide solution in water will

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Turn blue litmus red

Give pink colour with phenolpthalein

Give red colour with methyl orange.

Not affect the phenolphthalein indicator

Neurons carry messages in the form of.

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Electromagnetic waves

Electro chemicla waves

Transverse waves

Longitudinal waves

A metal

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C

Ne

Cu

C

The fine functions of the cell body which receive messages are called.

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Dendrites

AxonNucleus

Inter neuron

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