Why is the Ozone important for mankind...? Mcqs

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Why is the Ozone important for mankind...?

(A) Protection from ultraviolet rays of sun
(B) It releases oxygen in the air

(C) It maintains temperature of the earth
(D) It releases hydrogen in the atmosphere

Latest MCQs

A________ is a device used to measure pressure in a fluid, typically a gas or liquid...?

(A) Manometer
(B) Galvanometer

(C) Ammeter
(D) Seismometer

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The velocity of sound in air at sea level is...?

(A) 881 meters per second
(B) 761 meters per second

(C) 661 meters per second
(D) 561 meters per second

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Law of magnet induction was proposed by:...?

(A) Michael Faraday
(B) Ernest Rutherford

(C) Clerk Maxwell
(D) Niels Bohr

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To make an uncharged object to have a negative charge we must...?

(A) Remove some portion
(B) Add some atoms

(C) Add some electrons
(D) None of these

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When the object moves with the speed of light its mass would be...?

(A) equal to its rest mass
(B) double of its rest mass

(C) infinite
(D) Zero Zero

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The brightest planet in the solar system is...?

(A) Satrun
(B) Venus

(C) Neptune
(D) Mars

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Solar system consists of...?

(A) Eight Planets
(B) Nine Planets

(C) Ten Planets
(D) Eleven Planets

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What is the S.I unit of temperature...?

(A) Kelvin
(B) Centigrade

(C) Fahrenheit
(D) None of these

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The 2nd smallest planet in our solar system is ___________...?

(A) Mars
(B) Mercury

(C) Uranus
(D) None of these

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