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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Which one of the following stars are hotter than red and orange stars...?

(A) Green
(B) Dark

(C) Blue
(D) Yellow

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The vitamin Folate works together with __________ to produce new red blood cells...?

(A) Vitamin D
(B) Vitamin A

(C) Vitamin B-12
(D) None of the above

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Living organisms which derive their food from dead and decaying organic materials called...?

(A) Saprotrophs
(B) Parasites

(C) Predators
(D) Producers

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The respiratory problem common in smokers is______...?

(A) tuberculosis
(B) Emphysema

(C) Asthma
(D) Cancer

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Which of the following circuit elements is used to ‘block’ DC in an electronic circuit ...?

(A) Resistances
(B) Capacitance

(C) Inductance
(D) Diode

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Short-sight defect could be corrected by a _____________ lens...?

(A) concave lens
(B) convex lens

(C) converging lens
(D) none of these

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What is the name of the branch of the science that studies the ocean...?

(A) Oceanography
(B) Algology

(C) Phology
(D) Orintology

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Which Planet has purple rocks according to NASA ...?

(A) Jupitar
(B) Neptune

(C) Earth
(D) Mars

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All living organisms are classified into _______ kingdoms under the system proposed by Whittaker (1969)....?

(A) 5
(B) 6

(C) 7
(D) 8

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