Question # 1

The thin transparent membrane around heart is called.

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Pericardium

Atria

Veins

Ventricle

Moon takes....... days to move once around the Earth.

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365

30

28

29

What is transferred by teh movement of waves.

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matter

energy

both a and b

None of these

The average energy due to movement of molecules in a substances is called.

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Potenital energy

Electric energy

Kinetic energy

Chemical energy

The rise of liquid in the thermomeer is due to.

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Evaporation

Contraction

Expansion

Sublimation

Brine water is mixture of

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Salt and sugar

Salt and acetic acid

Salt and water

Salt and alcohol

Types of coalent bond are

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1

2

3

4

A solution is named after the name of

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Solvent

Solute

Mixture

None of these

Element present in grops have same number of ....... in their outermost shell.

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Electron

Proton

Atoms

Neutron

The outermost layer of a root is called.

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Epidermis

Endodermis

Cortex

Xylem

Which artery supply blood to the heart

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Pulmonary artery

Hepatic artery

Coronary Artery

Aorta

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