Question # 1

Atomic number of element presetnin period 2 and group 15 of the periodic table.

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4

5

6

7

Sound waves are not.

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Compressional waves

Transverse waves

Mechnical waves

Low frequency waves

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.

Mineral required in the formation of chlorophyll.

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Iodine

iron

Phosphorus

Magnesium

The products of respiration are carbon dioxide and.

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Water

Oxygen

Mitochondria

Chloroplast

Compustion is a.

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Physical Change

Chemical change

Thermal change

None of these

Chemical bond teh forms between metallic and non-metallic atoms.

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Covalent

Ionic

Metalic

None of these

The weight of an object on Earth's sufrace is 600 N, What will be its weight on the Moon's surface.

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600 N

300 N

100 N

200 N

Which artery supply blood to the heart

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Pulmonary artery

Hepatic artery

Coronary Artery

Aorta

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

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Winds

Solar tides

Lunar wind

Tides

Sajeet the one that is different from the otehrs.

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Solubility

Conductance

Oxidation

Coiling of a substance

The Earth's gravitational field strength is.

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1.6 N/kg

16 N/kg

10 N/kg

1N/kg

Chemical bond between N2 Molecule is

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Ionic

Single covalent

Double covalent

Triple vocalent

Example of solid in solid solution is.

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Air

Salt solution

Brass

Sea water

Original colur or Nichrome wire is.

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Silver grey

Red hot

White hot

None of these

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