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

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Why is the Ozone important for mankind...?

(i) Protection from ultraviolet rays of sun
(ii) It releases oxygen in the air

(iii) It maintains temperature of the earth
(iv) It releases hydrogen in the atmosphere

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Rainfall is measured using a...?

(i) Salinometer
(ii) Rainoscope

(iii) Rain gauge
(iv) Rainometer

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Which of the following gases has an important role in maintaining atmospheric temperature...?

(i) Nitrogen
(ii) Argon

(iii) Oxygen
(iv) Carbon dioxide

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Which unit is used to measure the distance of planets and stars from earth...?

(i) Light year
(ii) Staller mile

(iii) Centimeter
(iv) None of these

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The theory about the beginning of the universe by a huge explosion is called...?

(i) Binary
(ii) Black Hole

(iii) Big Bang
(iv) Steady State

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The science of celestial bodies is known as...?

(i) Agronomy
(ii) Coprology

(iii) Astrology
(iv) Astronomy

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Acceleration caused by gravity is...?

(i) 23 Feet per second square
(ii) 32 Feet per second square

(iii) 42 Feet per second square
(iv) 52 Feet per second square

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CLI stands for:...?

(i) Communication Line Identification
(ii) Call Line Identifcation

(iii) Caller's Line Identification-
(iv) Colbert Line Information

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In the atmosphere, if the temperature is low then the pressure is ____...?

(i) Low
(ii) High

(iii) Normal
(iv) All of these

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When one acted as moderator in nuclear reactor...?

(i) Regular Water
(ii) Graphite

(iii) Heavy Water
(iv) All Of Above

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