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6th Chapter

9th class Biology Chapter 6 (English Medium)

Here you can prepare 9th Biology English Medium Chapter 6 Enzymes Test. Click the button for 100% free full practice test.

Matric Part 1/9th Class Biology Chapter 6 MCQ Test With Answer for Chapter 6 Enzymes

Matric Part 1/9th Class Biology Chapter 6 MCQ Test With Answer for Chapter 6 Enzymes

Sr. # Questions Answers Choice
1 Induced Fit model was proposed by:
  • A. Emil Fischer
  • B. Melcher
  • C. Koshland
  • D. Saugeo
2 Prosthetic groups are:
  • A. Required by all enzymes
  • B. Loosely attached with enzymes
  • C. Proteins in nature
  • D. Tightly bound to enzyme
3 Which enzyme works in stomach?
  • A. Lipase
  • B. Trypsin
  • C. Pepsin
  • D. Amylase
4 The enzyme function between a PH of ..................... .
  • A. 2 to 4
  • B. 6 to 8
  • C. 8 to 10
  • D. 1 to 2
5 The substance on which an enzyme act is called:
  • A. Cofactor
  • B. Inhabitor
  • C. Coenzyme
  • D. Substrate
6 When we add more substrate to an already occuring enzymatic reaction and there is no increase in the rate of reaction, what would you predict?
  • A. All actives sites have been occupied by substrate molecules
  • B. The enzyme molecule have denatured
  • C. More substrate acted as inhibitor
  • D. More substrate has disturbed has disturbed the pH of the medium
7 The bio-chemical reactions in which large molecules are synthesized is called:
  • A. Anabolism
  • B. Catabolism
  • C. Metabolism
  • D. Enzymatic reaction
8 Prosthetic by all enzymes :
  • A. Required by all enzymes
  • B. Loosely attached with enzymes
  • C. Proteins In nature
  • D. Tightly bound to enzyme
9 metabolism is the some of the ................. proesses.
  • A. Chemical
  • B. Physical
  • C. Both
  • D. None
10 Vitamin which acts as co-enzyme is:
  • A. Vitamin A
  • B. Vitamin K
  • C. Riboflavin
  • D. All of these

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