In an atomic nucleus, neutrons and protons are held together by: ___________...? Mcqs

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In an atomic nucleus, neutrons and protons are held together by: ___________...?

(A) Gravitational forces
(B) Exchange forces

(C) Coulombic forces
(D) Magnetic forces

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The life cycle of the bee is...?

(A) Egg→larva→pupa→bee
(B) Egg→larva→bee→pupa

(C) Egg→pupa→larva→bee
(D) Egg→bee→pupa→larva

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Metabolic reactions are _______...?

(A) Constructive reactions
(B) Destructive reactions

(C) Inhibiting reactions
(D) Both A and B

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Percentage of water in a tomato is__________...?

(A) 94%
(B) 90%

(C) 47%
(D) None of these

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The kidney is enclosed in a membrane called...?

(A) Pericardium
(B) Peritoneum

(C) Pleural membrane
(D) Plumule

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The correct age of solar system is approximately __________...?

(A) 4.3 Billion years
(B) 4.4 Billion years

(C) 4.5 Billion years
(D) None of these

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Which one of the following is not a disadvantage of friction...?

(A) Energy loss
(B) Fasteners

(C) Wear and Tear
(D) Speed limit

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The natural fats and oils are composed of_________...?

(A) Carbon, Hydrogen and Oxygen
(B) Carbon, Hydrogen and Nitrogen

(C) Carbon, Oxygen and Nitrogen
(D) Hydrogen, Oxygen and Nitrogen

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Triple point of water is _________...?

(A) 271 K
(B) 272.2 K

(C) 273.16 K
(D) None of these

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When were blue jeans invented in _________...?

(A) 1900s
(B) 1860s

(C) 1870s
(D) 1850s

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