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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_____________ are positively (+) charged particles...?

(A) Neutrons
(B) Electrons

(C) Protons
(D) None of These

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The audible range of normal bat ear is ______...?

(A) 20 Hz to 120 kHz
(B) 20 Hz to 20 kHz

(C) 20 kHz to 110 kHz
(D) 20 Hz to 50 KHz

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Vitamin B2 is also called as__________...?

(A) Riboflavin
(B) Thiamine

(C) Ascorbic Acid
(D) Niacin

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The phases of the moon are partially the result of the____________...?

(A) Changes in the shape of the moon
(B) Revolution of the moon around the earth

(C) Variations in the moon’s gravitation
(D) Variations in the speed of rotation of the moon

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The earth’s ___________ is divided into 15 major plates of various sizes...?

(A) Mesosphere
(B) Stratosphere

(C) Lithosphere
(D) None

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A single compound breaks down to form two or more simpler substances are called...?

(A) Combination Reaction
(B) Decomposition Reaction

(C) Neutralization Reaction
(D) Addition Reaction

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What happens when two same poles of magnets are brought close to each other...?

(A) They attract
(B) They make an electric current flow

(C) They repel
(D) None

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The longest bone in human body is___________...?

(A) Ulna
(B) Tibia

(C) Femur
(D) Humerus

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In fireworks,the green flame is produced because of __________...?

(A) Sodium
(B) Barium

(C) Mercury
(D) Potassium

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