When two surfaces move or slide over each other, they experience:...? Mcqs

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When two surfaces move or slide over each other, they experience:...?

(A) Gravitational force
(B) Centripetal force

(C) Electrostatic force
(D) Frictional force

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Latest MCQs

The coldest region of the Earth’s atmosphere is__________...?

(A) Exosphere
(B) Thermosphere

(C) Stratopause
(D) Mesopause

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Who was the first scientist who gave the concept of gravitation...?

(A) Einstein
(B) Newton

(C) Faraday
(D) Maxwell

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Mercury is the closest planet to the Sun, but Venus is hotter than Mercury because of its_________...?

(A) Pressure
(B) axis

(C) atmosphere
(D) surface

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The red blood cells originate in the ____________...?

(A) Brain
(B) Muscles

(C) Ligaments
(D) Bone Marrow

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First controlled fission of an atom was carried out in ________ on 1938....?

(A) U.S
(B) Germany

(C) Russia
(D) U.K

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The vitamin which is generally excreted by humans in urine is__________...?

(A) Vitamin A
(B) Vitamin B

(C) Vitamin B12
(D) Vitamin C

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On which disease did Robert Koch work...?

(A) Tuberculosis
(B) Cholera

(C) Malaria
(D) Diabetes

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Animals use nitrogen in the form of_________...?

(A) Nitrogen
(B) Nitrates

(C) Nitrites
(D) None of Above

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Which of the following animal has blue blood...?

(A) Snail
(B) Octopus

(C) Spider
(D) All of above

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