Vitamin A is found in the_______?

A: white vegetables

B: Green vegetables 

C: Yellow vegetables

D: Red vegetables

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Green vegetables

The chemical name of quartz is:

A: Stannous Oxide

B: Silicon Dioxide

C: Aluminium Oxide

D: None

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Silicon Dioxide

Brass gets discoloured in air because of the presence of which of the following gases in air ___ ?

A: Oxygen

B: Carbon dioxide

C: Nitrogen

D: Hydrogen sulphide

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Hydrogen sulphide

What kind of weathering takes place on the valley side above the surface of the glacier?

A: Abrasion

B: Plucking

C: Chemical weathering

D: Frost shattering

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Frost shattering

Water vapor is ____?

A: A cloud droplet

B: A gas

C: A rain drop

D: A snowflake

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A gas

speed of sound in dry air at 20 °C is______?

A: 345 m/s

B: 353 m/s

C: 343 m/s

D: none of them

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343 m/s

Which of the following is commonly called a polyamide ?

A: Nylon 

B: Rayon

C: Terylene

D: Orion

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Nylon

For water purification, we use?

A: Bromine

B: Chlorine

C: Plants

D: Young man

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Chlorine

What is the weight of the average human brain?

A: 1.4 to 1.8 Kg

B: 1.2 to 1.4 Kg

C: 2.1 to 2.8 Kg

D: 3.1 to 3.4 Kg

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1.2 to 1.4 Kg

Tesla is the unit of__________?

A: Electric Field Strength

B: Magnetic Field Strength

C: Gravitational Field Strength

D: Nuclear Field Strength

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Magnetic Field Strength

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