The speed of light with the rise in the temperature of the medium_______?

A: Increase

B: Decrease

C: Remain the same

D: First decrease then increase

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Remain the same

What are the three subatomic particles of an atom?

A: Protons,Nucleus & Electrons

B: Protons,Neutrons & Electrons

C: Protons,Nucleus & Elements.

D: Elements,Nucleus & Protons

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Protons,Neutrons & Electrons

The outermost layer of skin is the_____?

A: dermis

B: endodermis

C: epidermis

D: hypodermis

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epidermis

The largest part of the human brain is ______?

A: Cerebellum

B: Medulla oblongata

C: Cerebrum

D: None of these

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Cerebrum

Vacuum tubes have been replaced by_____?

A: Diodes

B: Conductors

C: Transistors

D: None of these

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Transistors

The sunlight can reach a depth of______meters in the ocean

A: 200

B: 80

C: 120

D: None

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200

He was the first scientist to prove that Planets move around the sun?

A: Galileo Galilei

B: Archimedes

C: John Kepler

D: None

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Galileo Galilei

When our sun reaches the end of its red giant phase, it will turn into a______?

A: White Dwarf

B: Supernova

C: Black Hole

D: Neutron Star

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White Dwarf

Which gland in the human body is called the master gland?

A: Thyroid

B: Pancreas

C: Pituitary

D: Spleen

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Pituitary

Copper can be converted into gold by ?

A: heating

B: Artificial radioactivity

C: Electroplating

D: Chemical reaction

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Artificial radioactivity

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