Lead ball falls through water more slowly than through air because __________...? Mcqs

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Lead ball falls through water more slowly than through air because __________...?

(A) The value of ‘g’ is less in water
(B) Density of air is less than that of water

(C) Of the viscous force in water
(D) Of The surface tension of water

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The mineral ion responsible for the conduction of nerve impulses is...?

(A) Calcium
(B) Sodium

(C) Potassium
(D) None of these

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The point within the Earth where earthquakes originate is _________...?

(A) Comma
(B) Origin

(C) Epicenter
(D) Focus

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In a solution, when water is used as a solvent that solution is called...?

(A) Saturated Solution
(B) Aqueous Solution

(C) Unsaturated Solution
(D) Concentrated Solution

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Polyethene is ______...?

(A) Oil
(B) Paper

(C) Plastic
(D) Wood

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When did Amnesty International won the Noble Prize:...?

(A) 1917
(B) 1967

(C) 1977
(D) 1987

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Part of agriculture for the development of new varieties of plant, and their fruit is _____...?

(A) Agronomy
(B) Floriculture

(C) Horticulture
(D) Pomology

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Tendency of atoms to acquire eight electrons in their valence shell is ______...?

(A) Octet rule
(B) Duplet rule

(C) Triplet rule
(D) None of above

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Speed of sound in air per second is :...?

(A) 250 meters
(B) 331 meters

(C) 434 meters
(D) 343.2 meters

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______ are the Breathing center of the body...?

(A) Nose
(B) Air

(C) Lungs
(D) None of these

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