The Temperature of the surface of Sun is__?

A: 6,778 Kelvin

B: 5,778 Kelvin

C: 7,778 Kelvin

D: 9,778 Kelvin

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5,778 Kelvin

The planets visible to us without using a telescope are _____?

A: 4

B: 3

C: 5

D: 6

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5

What is the name of the central part of the earth?

A: Core

B: Mantle

C: Crust

D: None of the above

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Core

Which of the following layers make radio transmission possible?

A: Ionosphere

B: Troposphere

C: Mesosphere

D: Stratosphere

E: None of these

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Ionosphere

Chemical used to kill rats and mice are ?

A: Rodenticides

B: Insecticides

C: Fungicides

D: Herbicides

E: None of these

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Rodenticides

AIDS virus is_______

A:  Single-stranded DNA

B: Single-stranded RNA

C: Double-stranded RNA

D: Double-stranded DNA

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Single-stranded RNA

When a star becomes a singularity and has zero volume and infinite density, it is called_____?

A: Blue giant

B: White dwarf

C: Wolf-Raynet star

D: Black hole

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Black hole

The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use ?

A: Infrared waves

B: red waves

C: Ultrasonic

D: super sonic

E: None of these

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Ultrasonic

All forms of energy that we use are ultimately transformed into_____?

A: Heat Energy

B: Electrical Energy

C: Light Energy

D: Chemical Energy

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Heat Energy

What is the average weight of Human Heart?

A: 350 gram

B: 300 gram

C: 400 gram

D: 450 gram

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300 gram

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