Name the branch of science which deals with the study of sound and sound waves...? Mcqs

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Name the branch of science which deals with the study of sound and sound waves...?

(A) Aeronautics
(B) Acoustics

(C) Aerostatics
(D) Aetiology

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Garnet is a______________...?

(A) Sedimentary rock
(B) Igneous rock

(C) Mineral
(D) None of these

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Cotton contains ______ cellulose....?

(A) 30%
(B) 65%

(C) 85%
(D) 95%

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All are characters of enzymes except...?

(A) Enzyme speed up a biochemical reaction
(B) Enzymes are sensitive to minor change in pH

(C) Enzyme activity enhanced by inhibitors
(D) Enzyme portion where substrate attach called active site

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In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called ...?

(A) Chemical Reaction
(B) Nuclear reaction

(C) Fission nuclear reaction
(D) Fusion nuclear reaction

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The carbohydrates which contain the aldehyde group are called...?

(A) Saccharides
(B) Ketoses

(C) Pentoses
(D) Aldoses

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Small portion of enzyme where substrate attach with enzyme called _____...?

(A) Binding site
(B) Active site

(C) Catalytic site
(D) Substrate site

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Roots, stem and leaves produce their offspring through _____...?

(A) Sexual Reproduction
(B) Fragmentation

(C) Binary Fission
(D) Asexual Reproduction

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Which led to the diversification of life...?

(A) Mesozoic Era
(B) Paleozoic Era

(C) Cenozoic Era
(D) Precambrian Time

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The shielding effect across the period _______...?

(A) Increases
(B) Decrease

(C) Moderate
(D) Same

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