During which process does heat transfer occur because of density differences__________...? Mcqs

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During which process does heat transfer occur because of density differences__________...?

(A) Convection
(B) Radiation

(C) Conduction
(D) None of these

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The study of the Human Structure...?

(A) Anatomy
(B) Physiology

(C) Organism
(D) Physiology

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A man pulls a crate of mass 25 kg across the leveled ground with a horizontal force of 60 N. A constant force of friction of 20 N acts on the sledge. What is the acceleration of the sledge...?

(A) 0.63 ms^-2
(B) 1.6 ms^-2

(C) 2.4 ms^-2
(D) 3.2 ms^-2

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Solution is a mixture of ______...?

(A) Mixture and Compound
(B) Element and Mixture

(C) Solvent and Compound
(D) Solute and Solvent

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If pH value is greater than 7, then solution is ______...?

(A) Acidic
(B) Basic

(C) Amphoteric
(D) Neutral

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The poisonous gas which is the main byproduct of motor vehicle with irritating smell is...?

(A) Carbon Dioxide
(B) Carbon Monoxide

(C) Nitrogen Oxide
(D) Sulfur Dioxide

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Field of research that examines mathematical representations of biological system called _____...?

(A) Ratio
(B) Mathematical biology

(C) Proportion
(D) Law

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Period of extensive metabolic activity, in which cell grow, enzymes are synthesizes...?

(A) S phase
(B) M phase

(C) G2 phase
(D) G1 phase

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How many moons does Saturn have...?

(A) 7
(B) 13

(C) 79
(D) 82

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The circuit that provides two or more paths for the current is called...?

(A) Series Circuit
(B) Short Circuit

(C) Parallel Circuit
(D) Open Circuit

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