Approximate age of milky-way is ________...? Mcqs

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Approximate age of milky-way is ________...?

(A) 16.5 billion years
(B) 15.5 billion years

(C) 13.5 billion years
(D) 14.5 billion years

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Vitamin A is found in the____________...?

(A) Green vegetables
(B) white vegetables

(C) Yellow vegetables
(D) Red vegetables

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Kilowatt-hour is a unit of____________...?

(A) Power
(B) Electric Current

(C) Energy
(D) Time

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What is a hypothesis...?

(A) The same thing as an unproven theory
(B) A tentative explanation that can be tested and is falsified

(C) A verifiable observation
(D) A fact based on quantitative data that is falsified

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Pumping of blood by the rhythmic pulsation of heart throughout the body is called...?

(A) Blood pressure
(B) Circulation

(C) Pulse
(D) Heart beat

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When the ray of lights strikes on the brick wall, it is...?

(A) Passed through it
(B) Scattered by it

(C) Reflected by it
(D) None

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The characteristics that an organism inherits from its parents are called...?

(A) Genes
(B) Cells

(C) Traits
(D) Tissues

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Diamonds are made up almost entirely of what element...?

(A) Carbon
(B) Helium

(C) Methane
(D) Nitrogen

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Permanent hardness of water may be removed by the addition of___________...?

(A) Sodium Carbonate
(B) Alum

(C) Potassium Permanganate
(D) Lime

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Smoke is an solution of _________...?

(A) Solid in solid
(B) Solid in liquid

(C) Solid in gas
(D) Gas in gas

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