Class 9 Biology Exam MCQs – Practice Test 4 (Chapter 6)

Enzymes Notes Questions with Answers PDF Download – Test 4

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Enzymes MCQs – Practice Test 4 PDF Download

MCQ 16: The organic cofactors that are loosely bound to the enzymes are classified as:

active enzymes
coenzymes
inactive enzymes
aesthetic enzymes

MCQ 17: The biochemical reactions are also considered as:

gaseous release
chromosomal transfer
energy transfer
material transfer

MCQ 18: The shapes of active sites are determined by:

nature of enzyme
Specifity of enzymes
viscosity of enzyme
saturation of enzyme

MCQ 19: The example of inorganic cofactors is:

metal ions
potassium ions
nitrogen ions
Sulphur ions

MCQ 20: How enzymes lower the amount of activation of energy includes:

altering shape of substrate only
disrupting charge distribution only
increasing oxygen intake
altering shape of substrate and disrupting charge distribution

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