An average human heart beats about time in a minute...? Mcqs

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An average human heart beats about time in a minute...?

(A) 72 times
(B) 85 times

(C) 90 times
(D) 120 times

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Latest MCQs

A balanced diet quality formula recommended by World Health Organization is ____________....?

(A) Carbohydrates 58% + Proteins 12% + Fats 30%
(B) Mineral+Proteins+Fats

(C) Fats+Proteins+Minerals
(D) None of these

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All are factors affecting enzyme activity except...?

(A) pH
(B) Substrate concentration

(C) Organic solvent
(D) Temperature

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Carbon,Diamond and Graphite are together called:___________...?

(A) Allotrope
(B) Isomers

(C) Isomorphs
(D) Isotopes

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Which gas is used in preparation of Soda water...?

(A) Ammonia
(B) Hydrogen

(C) Nitrogen
(D) Carbon Dioxide

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Night vision is possible with the help of ___________...?

(A) Red light
(B) Violet light

(C) Infrared Rays
(D) Ultra violet Light

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The earth’s atmosphere is divided into layers based on the vertical profile of __________...?

(A) Air pressure
(B) Air temperature

(C) Air density
(D) Wind speed

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The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________...?

(A) 1120 ft
(B) 120 ft

(C) 56 ft
(D) 100 ft

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Phosphorus is an essential component of one of the following biological molecules:...?

(A) Amino acids
(B) Nucleic acids

(C) Carbohydrates
(D) None

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A wheel with pointed edges like teeth are...?

(A) Pulley
(B) Gear

(C) Axle
(D) Sprocket

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