Question # 1

Sound is a form of.

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Energy

Wave

Frequency

intensity

Which of the following is used to cheek heart beat and blood pressure.

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Thermometer

Galvanometer

Stethoscope

Ammeter

SI unit of time is.

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S

min

hr

all above

--------------- are fundamental particles of an atom.

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Electron

Proton

Neutron

All of these

A batsman hits the ball back towards the bowler, which effect of force is seen.

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change of shape

Change of direction

Change of stae from motion to rest

Change of state form rest to motion.

The ... prevents food from entering the trachea.

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Glottis

Epiglottis

Bronchi

Alveoli

Microorganism taht cause diseases in humna body are called.

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Infection

Pathogen

Antigen

Phagocytosis

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

Example of solid in solid solution is.

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Air

Salt solution

Brass

Sea water

The force between two negatively charged particles is.

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Gravitational

Frictional

Repulsion

Attraction

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