Material for rain-proof coats and tents owe their water proof properties to ________...? Mcqs

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Material for rain-proof coats and tents owe their water proof properties to ________...?

(A) Surface tension
(B) Viscosity

(C) Specific gravity
(D) Elasticity

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In order to prevent the corrosion of iron pipes they are often coated with a layer of zinc. This process is termed as____________...?

(A) Electroplating
(B) Annealing

(C) Galvanization
(D) Vulcanization

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The harvesting is most important step of ______...?

(A) Preparation of soap
(B) Preparation of cold drinks

(C) Preparation of sugar
(D) Preparation of medicines

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Scientific reasoning moves from specific to general ____...?

(A) Inductive
(B) Deductive

(C) Observation
(D) Both a and b

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Vertebrates animals that maintain a constant body temperature are called...?

(A) Cold-blooded
(B) Warm-blooded

(C) Both A and B
(D) None

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The earth is part of a galaxy called...?

(A) Andromeda Galaxy
(B) Triangulum Galaxy

(C) Milky Way Galaxy
(D) Pinwheel Galaxy

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Yeast is used in making bread because it produces____________...?

(A) Carbon dioxide
(B) Sugar

(C) Bacteria
(D) Oxygen

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A movable pulley can _______...?

(A) Increase the input force
(B) Decrease the input force

(C) Change the direction of force
(D) Change the speed of force

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The protein content of edible portion of egg is___________...?

(A) 13 %
(B) 13.3%

(C) 14 %
(D) 14.5%

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The unit to measure the quantity of Ozone in atmosphere is...?

(A) Dobson
(B) Dalton

(C) Cuolomb
(D) none

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