Class 9 Biology MCQs – Practice Test 10 (Chapter 6)

Enzymes MCQ with Answers PDF Download – Test 10

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Enzymes MCQ – Practice Test 10 PDF Download

MCQ 46: The meaning of the Greek word 'metabolism' is:

respire
digest
change
cross over

MCQ 47: The factors that can affect the rate of actions of enzymes includes:

substrate concentration
pH
temperature
all of above

MCQ 48: The lock and key model proposed by Emil Fischer explains the:

Specifity of enzyme
Viscosity of enzyme
Saturation of enzyme
Nature of enzyme

MCQ 49: The model who proposed that the active site is molded in the required shape for performing the function is:

induced-fit model
reduced-fit model
anabolism-fit model
catabolism-fit model

MCQ 50: The vital vitamins that play a role as coenzymes do not include:

salicylic acid
thiamine
riboflavin
folic acid

Class 9 Biology Notes App & e-Book – Enzymes Exam Prep

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