What is the chemical formula of Ozone?

A: C12

B: H2O

C: O3

D: CH4

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O3

When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is ____?

A: Transparent

B: Visible

C: Invisible

D: opaque

E: None of these

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Visible

______ is the “Work done in moving a unit charge between two points in an electric circuit”?

A: Current

B: Potential difference

C: Power

D: Resistence

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Potential difference

Ice mass that covers more than fifty-thousand square kilometers of land area is classified as_______?

A: ice field

B: ice sheet

C: glacier erosions

D: ice cap

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ice sheet

Insufficient blood supply in human body is referred as______?

A: Hyperemia

B: Ischemia

C: Hemostasia

D: Hemorrhage

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Ischemia

Parkinson is a disease of____?

A: Eyes

B: Lungs

C: Brain

D: Bones

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Brain

Study of “Aging” is called _____?

A: Hstologyh

B: Gerontology

C: Pysiology

D: Anthropology

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Gerontology

Weather describe the condition of ______ at any one time.

A: The land surface

B: The earth

C: The atmosphere

D: The ionosphere

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The atmosphere

Proton number is denoted by symbol _____ ?

A: Z

B: M

C: P

D: A

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Z

Which one of the following can be synthesized by Liver __?

A: Vitamin B12

B: Vitamin B6

C: Vitamin K

D: Vitamin E

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Vitamin K

1 107 108 109 110 111 126