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

(A) Snail
(B) Octopus

(C) Spider
(D) All of above

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Which law states that the volume of a given amount of gas held at constant pressure is directly proportional to the Kelvin temperature...?

(A) Charles’ Law
(B) Avogadro’s Law

(C) Graham’s Law
(D) Boyle’s law

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How many Dynes are there in one gram weight...?

(A) 993
(B) 981

(C) 250
(D) 375

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Atmospheric pressure is the force (per unit-area) perpendicular to a unit-area of planetary surface, as determined by _________....?

(A) Mass of vertical column of atmospheric gases
(B) Mass of horizontal column of atmospheric gases

(C) Weight of vertical column of atmospheric gases
(D) Mass of vertical and weight of horizontal of atmospheric gases

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The Summer solstice in the Northern Hemisphere happens on: __________...?

(A) 21 July
(B) 22 December

(C) 22 March
(D) 21 June

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How many bones in our body...?

(A) 102
(B) 306

(C) 206
(D) 204

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Kidney disease happens due to overdose of...?

(A) Vitamin A
(B) Vitamin B

(C) Vitamin C
(D) Proteins

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Which of the following are the layers of the body wall in sponges...?

(A) Pinacoderm and mesoderm
(B) Pinacoderm and choanoderm

(C) Epidermis and choanoderm
(D) Pinacoderm and ectoderm

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Which organelle contains thread-like structures that store chemical instructions for cell growth and function...?

(A) Mitochondria
(B) Ribosomes

(C) Chromosomes
(D) Lysosomes

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