Class 9 Biology MCQs - Chapter 6

Enzymes Multiple Choice Questions (MCQ) PDF - 4

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Enzymes Questions & Answers PDF Download: MCQ Quiz 4

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

A) active enzymes

B) coenzymes

C) inactive enzymes

D) aesthetic enzymes

MCQ 17: The biochemical reactions are also considered as

A) gaseous release

B) chromosomal transfer

C) energy transfer

D) material transfer

MCQ 18: The shapes of active sites are determined by

A) nature of enzyme

B) Specifity of enzymes

C) viscosity of enzyme

D) saturation of enzyme

MCQ 19: The example of inorganic cofactors is

A) metal ions

B) potassium ions

C) nitrogen ions

D) Sulphur ions

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

A) altering shape of substrate only

B) disrupting charge distribution only

C) increasing oxygen intake

D) altering shape of substrate and disrupting charge distribution

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