Black holes’ refers to_____?

A: Bright spots on the sun

B: Holes occurring in heavenly bodies

C: Collapsing object of high density

D: Collapsing object of low density

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Collapsing object of high density

At what time of day is the relative humidity normally at a minimum ______ ?

A: Just before sunrise

B: When the air temperature is highest

C: About midnight

D: When the air temperature is lowest

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When the air temperature is highest

The beautiful color patterns exhibited by a peacock in its tail feathers are due to ?

A: Selective re ection of light

B: Selective absorption of light

C: Sinterference of light

D: Natural colour pattern of feathers

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Selective absorption of light

Mohs’ Scale” is used to indicate the____?

A: Degree of viscosity of a liquid

B: Degree of hardness of minerals

C: Degree of elasticity of a material

D: Degree of brittleness of a substance

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Degree of hardness of minerals

Among the planets of the Solar system the position of the Earth from the Sun is:____?

A: Third

B: Second

C: Fourth

D: Sixth

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Third

Steradian is the unit of_____?

A: Liquid angle

B: Solid angle

C: Gas angle

D: Plain angle

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Solid angle

What is the chance of diabetic baby born to parents both heterogeneous normal ?

A: ¼

B: Zero

C: ½

D: ¾

E: None of these

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¼

Electric motor was invented by _____ ?

A: Oliver Evans

B: Michael Faraday

C: Thomas Edison

D: Horace Day

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Michael Faraday

Sleeping sickness in the natives of Africa is caused by___?

A: Giardia

B: Trichomonas

C: Leishmania

D: Trypanosoma

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Trypanosoma

Fan was invented by______?

A: Alfered Nobel

B: Arthur Schimit

C: Skaats Wheeler

D: None of these

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Skaats Wheeler

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