All are characters of enzymes except...? Mcqs

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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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Which one of the following is a bio molecule...?

(A) Formic Acid
(B) Tartic Acid

(C) Glutamic Acid
(D) Glutaric Acid

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The process of comparing an unknown physical quantity with a known standard quantity of the same kind is called...?

(A) Observation
(B) Measurement

(C) Experimentation
(D) Calculation

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Energy possessed by water in a dam is ...?

(A) Electrical energy
(B) Mechanical energy

(C) Kinetic energy
(D) Potential energy

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One calorie is equal to how many joules...?

(A) 4184 joules
(B) 4285 joules

(C) 4286 joules
(D) 4185 joules

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What is one property of suspension that makes it different from a solution...?

(A) Suspensions have dissolved particles
(B) Suspensions have suspended particles

(C) Suspensions are homogeneous mixtures
(D) Suspensions are always transparent

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It is easier to push an empty shopping cart than a full one because the filled cart has more mass than the empty one. This can be expressed by ______...?

(A) F > m
(B) F < m

(C) F ∝ 1/m
(D) F ∝ m

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The axis of rotation of the Earth is tilted at an angel of...?

(A) 23.5°
(B) 23.0°

(C) 23.08°
(D) 24.30°

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According to the theory of relativity, which of the following always remains constant ...?

(A) Length of an object
(B) Time

(C) Space
(D) Velocity of light

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The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water....?

(A) 1 gram
(B) 10 grams

(C) 1 kg
(D) 10 kg

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