The point where the enzyme is most active is known as ______...? Mcqs

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The point where the enzyme is most active is known as ______...?

(A) Neutral pH
(B) Acidic pH

(C) Basic pH
(D) Optimum pH

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In Linnaean classification, the category below the class is...?

(A) Phylum
(B) Order

(C) Family
(D) None of these

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Which of the following is used as a lubricant...?

(A) Graphite
(B) Silica

(C) Iron oxide
(D) Diamond

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Larva of a bee is also called...?

(A) Egg
(B) Pupa

(C) Adult
(D) Grub

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The planet retains an atmosphere when...?

(A) Gravity is low and temperature of atmosphere is great
(B) Gravity and temperature both are great

(C) Gravity and temperature both are constant
(D) Gravity is great and temperature of atmosphere is low

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The main constituent of Pearls are: ______________...?

(A) Calcium oxide &Ammonium Chloride
(B) Calcium Carbonate &Megnesium Carbonate

(C) Aragonite & Conchiolin
(D) None of these

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Quartz crystal in quartz watches work on the principle called...?

(A) Photoelectric effect
(B) Stark effect

(C) Thermionic effect
(D) Piezo-electric effect

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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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Oil of vitriol is_________...?

(A) Nitric acid
(B) Hydrochloric acid

(C) Phosphoric acid
(D) Sulfuric acid

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Chlorine can be displaced by _____...?

(A) F
(B) Br

(C) I
(D) At

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