Question # 1

The middle strong vein in leaf is called.

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Blade

Petiole

Midrib

None of these

Which of the following is insoluble in water.

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Sodium chloride

Oil

Table salt

Baking Powder

The weight of an object of mass 1 kg on Earth surface is

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1 N

10 N

100 N

1000 N

Force is

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A push

a pull

A friction

All above

Which blood vessesl have valves in it.

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Capillaries

Artery

Vein

Arteriole

The part of the heart which receives blood from lungs.

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Left atrium

Right atrium

Left ventricle

Right ventricle

The force between the molecules of wate.

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Adhesive force

Cohesive forece

Repulsive force

Magnetic force

The wavelength of red colour is.

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700 nm

800 nm

900 nm

600 nm

In which type of irrigation water is distribute through netweork of pipes.

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Drip irrigation

Sprinkle irrigation

Karez

Tube well

One gram of glucose produce abut.............. calories of energy .

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3600

3700

3800

3900

The Moon creates tides also in our atmosphere, they are called.

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Winds

Solar tides

Lunar wind

Tides

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