Question # 1

The part of the heart which receives blood from lungs.

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Left atrium

Right atrium

Left ventricle

Right ventricle

What happens to water on heating.

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Evaporates

Condense

Freez

None of these

The degreee of hotness or coldness is called.

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Thermal contrction

Heat

Thermal Expansion

Temperature

The opening of air passage in the laryanx is called.

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Trachea

Bronchi

Glottis

Alveoli

Which artery supply blood to the heart

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Pulmonary artery

Hepatic artery

Coronary Artery

Aorta

Sound cannot pass through.

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Solid

Liquid

Vacuum

Gasses

Product fo combustion is.

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C

O2

CO2

All of these

Speed of sound in water is

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1000 ms-1

1500 ms-1

900 ms-1

2000 ms-1

Positively charged particle of an atom is called.

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Electron

Proton

Atom

Neutron

Tonsils are pair of soft tissue present inside the.

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Leg

Liver

Kidney

Throat

What is transferred by teh movement of waves.

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matter

energy

both a and b

None of these

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