The element common to all acids is:__________...? Mcqs

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The element common to all acids is:__________...?

(A) Hydrogen
(B) Carbon

(C) Sulphur
(D) Oxygen

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Drugs for treatment of rheumatoid arthritis can be obtained from ______...?

(A) Animals
(B) Minerals

(C) Plants
(D) Micro organisms

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Which animal is known to breath through their skin...?

(A) Lizard
(B) Horse

(C) Frog
(D) Horse

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If a metal block applies a force of 20 N on an area of 5 cm2. Find the pressure being applied by the block on the area of _____ ...?

(A) 100 Ncm^-2
(B) 0.8 Ncm^-2

(C) 0.25 Ncm^-2
(D) 4 Ncm^-2

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Of the total number of genes inherited by a child:...?

(A) more are from the father
(B) more are from the mother

(C) there are an equal number from each parent
(D) there is never a constant number from the parents

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The image formed in a compound microscope is_____________...?

(A) erect
(B) inverted

(C) sometimes erect, sometimes inverted
(D) none

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The flash of light from lightening travels at about ____...?

(A) 2 x 10^5 m/s
(B) 1 x 10^4 m/s

(C) 5 x 10^6 m/s
(D) 3 x 108 m/s

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Mohs’ Scale” is used to indicate the_________...?

(A) Degree of hardness of minerals
(B) Degree of viscosity of a liquid

(C) Degree of elasticity of a material
(D) Degree of brittleness of a substance

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Dr. James Watson discovered the structure of DNA in __________...?

(A) 1953
(B) 1955

(C) 1957
(D) 1857

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Phenomenon in which pair of homologous chromosome fails to separate called...?

(A) Non-disjunction
(B) Terminalization

(C) Synapsis
(D) Linkage

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