Class 9 Biology MCQs – Practice Test 2 (Chapter 6)

Enzymes MCQ with Answers PDF Download – Test 2

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Enzymes MCQ – Practice Test 2 PDF Download

MCQ 6: The catabolism is related to:

release of energy
absorption of energy
release of water
absorption of water

MCQ 7: The vibrations of atoms of enzymes is increased and leads to the loss of:

nucleated structure of atoms
solvent structure of enzymes
solute structure of enzymes
globular structure of enzymes

MCQ 8: The energy required in chemical reactions is called:

solvent energy
activation energy
enzymatic energy
catalysis energy

MCQ 9: The optimum temperature of working of human enzymes is:

52 ° C
47 ° C
37 ° C
42 ° C

MCQ 10: All the enzymes are considered as:

oxygen based acids
carbon based acids
nitrogen based acids
proteins

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

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