The moon’s surface temperature varies from about ________ to _________ ...? Mcqs

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The moon’s surface temperature varies from about ________ to _________ ...?

(A) – 173 degrees Celsius at night to 127 degrees Celsius during the day
(B) – 172 degrees Celsius at night to 172 degrees Celsius during the day

(C) Remains constant during day and night
(D) – 170 degrees Celsius at night to 107 degrees Celsius during the day

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Ring planet is Saturn; least dense and 2nd largest planet is_________...?

(A) Jupiter
(B) Saturn

(C) Neptune
(D) Mercury

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Gamma rays have greatest similarity with...?

(A) a-rays
(B) X-rays

(C) b-rays
(D) U.V.-rays

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The percentage of plasma in human Blood is _________...?

(A) 50%
(B) 55%

(C) 60%
(D) 80%

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Dr. James Watson discovered the structure of DNA in __________...?

(A) 1953
(B) 1955

(C) 1957
(D) 1857

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Which of the following statements is true about escape velocity...?

(A) Escape velocity is independent of the mass of the planet
(B) Escape velocity is independent of the mass of the escaping object

(C) Escape velocity decreases with an increase in the radius of the planet
(D) Escape velocity depends on the shape of the planet

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Which gas was discovered on the sun about 151 years ago during total solar eclipse...?

(A) Hydrogen
(B) Helium

(C) Nitrogen
(D) Flourine

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The two factors that affect the speed of sound in air are ______...?

(A) Humidity and volume of the air
(B) Temperature and mass of the air

(C) Volume and mass of the air
(D) Temperature and humidity of the air

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How does smoking cigarettes impact the red blood cells...?

(A) Decreases their ability to congeal
(B) Decreases their ability to carry oxygen

(C) Decreases their ability to reach their typical life duration
(D) Decreases their ability to cleanse wounds

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Locked-in syndrome (LiS) is which type of disorder...?

(A) Developmental
(B) Neurological

(C) Hormonic
(D) Genetic

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