Question # 1

A solution to which no more solute can be dissolved at a particular temperatureis called.

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Dilute solution

Concentrated solution

Saturated solution

Unsaturated solution

Speed of sound in water is

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1000 ms-1

1500 ms-1

900 ms-1

2000 ms-1

There are ............ groups in periodic table.

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2

8

18

32

The temerature o boiling water in centigrade scale is.

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0 oC

32 oC

37 oC

100 oC

Antibodies are produced by

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Pathogen

Infection

Lymphocyte

None of these

A molecule consists of two or more

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Compounds

Atoms

Formulae

Element

-------------- can help certalin bacteria to attach with host cell.

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Flagella

Arm

Pili

DNA

The wavelength of red colour is.

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700 nm

800 nm

900 nm

600 nm

Which is not used in the preparation of orange juice.

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Garlic

Orange

Sugar

Water

While writing a chemical formula positive ionis written on.

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Right

Left

Center

All of these

In virus,..... is used to identify the host cell.

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Genome

Coat

Spike

Capsid

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