Question # 1

Strength of solution depends on the amount of.

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Solute

Solvent

Pressure

Temperature

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

Outermost shell of sodium atom has ...... electrons.

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1

2

3

4

Which diseae is an allergic response for the body to substance like pollen and household dust.

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Pnemonia

Asthma

Flue

None of these

Wave are of .............. types.

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Two

Three

Four

Five

Speed of sound in water is

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1000 ms-1

1500 ms-1

900 ms-1

2000 ms-1

Which of the following is an anion.

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F

Cl

S-2

NH3

The tissues used ot conduct water in plants are.

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Phloem tissue

Leaf

Xylem tissue

Stem

Microorganism taht cause diseases in humna body are called.

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Infection

Pathogen

Antigen

Phagocytosis

The outermost layer of a root is called.

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Epidermis

Endodermis

Cortex

Xylem

Which one of the following statements is correct.

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1 m = 1000 km

m/s is the unit of displacement.

N is the unit of force

1 h = 60 s

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