Primary cosmic rays are composed largely of very fast__________...? Mcqs

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Primary cosmic rays are composed largely of very fast__________...?

(A) Protons
(B) Neutrons

(C) Electrons
(D) Gamma rays

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Chief builder of the body are ___________...?

(A) Carbohydrates
(B) Proteins

(C) Fats
(D) None of these

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When the moon and the sun are on same side of the earth, we see a ______...?

(A) New Moon
(B) Full Moon

(C) Half Moon
(D) None

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Which of the following is the form of marble...?

(A) Onyx
(B) Carrara

(C) Calacatta
(D) All of these

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An iron nail/steel rod can be magnetize by...?

(A) By passing an electric current around it
(B) By heating it on a high flame

(C) By hammering
(D) By keeping it with an iron rod

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Red blood corpuscles are formed in the____________...?

(A) Liver
(B) Bone marrow

(C) Kidneys
(D) Heart

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The main function of kidney is____________...?

(A) to control blood pressure
(B) to control body temperature

(C) to remove waste from blood
(D) to help in digestion of bady

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A dolphin perceives its environment by the sense of__________...?

(A) Sight
(B) Sound

(C) Both of these
(D) None of these

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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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What is the one of the other name of Vitamin “A”...?

(A) Riboflavin
(B) Ascorbic Acid

(C) Retinol
(D) Thiamin

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