The principal constituent of the atmosphere of the Earth is...? Mcqs

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The principal constituent of the atmosphere of the Earth is...?

(A) Oxygen
(B) Carbon

(C) Hydrogen
(D) Nitrogen

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Latest MCQs

Silver fish is the name of__________...?

(A) Insect
(B) Fish

(C) Bird
(D) Mammal

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Latest MCQs

Which of the following is the lightest substance...?

(A) Uranium
(B) Hydrogen

(C) Oxygen
(D) Nitrogen

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Latest MCQs

Water vapour beyond the dew point result in_________...?

(A) Precipitation
(B) Hailstorm

(C) Condensation
(D) Formation of ice

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Transistor is a device that convert weak signal into__________...?

(A) small signal
(B) strong signal

(C) both
(D) none

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Molarity of a solution which is prepared by dissolving 40g sodium chloride in 500cm^3 of solution is...?

(A) 1.4M
(B) 1.33M

(C) 1.33M
(D) 1.5M

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If a rocket is launched with a velocity less than the escape velocity of Earth, it will:...?

(A) Escape the Earth’s gravitational field
(B) Enter into an elliptical orbit around the Earth

(C) Fall back to Earth
(D) Travel to another planet

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The Kuiper belt and Oort cloud were first proposed by...?

(A) Dutch astronomer Kuiper in 1950
(B) Dutch astronomer Jan Oort in 1950

(C) Dutch astronomer Kuiper Oort in 1950
(D) French astronomer Jan Oort and Kuiper in 1950

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Latest MCQs

Foundation of life based on _____...?

(A) Physical foundation
(B) Biological foundation

(C) Environmental foundation
(D) Chemical foundation

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According to many, including the Guinness Book of World Record,________is the world’s rarest mineral...?

(A) Painite
(B) Benitoite

(C) Jadeite
(D) Taaffeite

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