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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 All enzymes are composed of:
  • A. Lipids
  • B. Carbohydrates
  • C. Proteins
  • D. Phosphates
2 To what category of molecules do enzymes belong?
  • A. Carbohydrates
  • B. Lipids
  • C. Nucleic acids
  • D. Proteins
3 Number of discovered enzymes are:
  • A. 200
  • B. 2000
  • C. 3000
  • D. 3500
4 Catabolism constitutes ................. processes.
  • A. Constructive
  • B. Destructive
  • C. Both a & b
  • D. None
5 Which one of the following convert protein to amino acids?
  • A. Protease
  • B. Lipase
  • C. Both
  • D. None
6 Denaturation of enzyme is caused by:
  • A. Increased pH
  • B. Decreased pH
  • C. Increases in temperature above optimum temperature
  • D. Decreases in temperature
7 Which of the following characters is not true about enzymes?
  • A. Globular in shape
  • B. Non-specific
  • C. Protein in nature
  • D. Highly reactive
8 Almost all enzymes are:
  • A. Carbohydrates
  • B. Fatty acids
  • C. Proteins
  • D. Vitamins
9 Prosthetic groups are:
  • A. Required by all enzymes
  • B. Loosely attached with enzymes
  • C. Proteins in nature
  • D. Tightly bound to enzyme
10 Enzymatic reactions are _______ of times faster than uncatalyzed reactions:
  • A. Millions
  • B. Hundreds
  • C. Thousands
  • D. Billion

Top Scorers of 9th Class Biology Chapter 6 Enzymes English Medium KPK Boards Online Mcqs

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Preetam Vishno

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Qurat Ahmed

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Zainab Mustafa

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Vania Kashmiri

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Hamza Rana

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Hafeez Muhammad

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Qurat Ahmed

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Hafeez Muhammad

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Sara Malik

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Muhammad Hassan

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Sameer Jajja

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9/12
52 Sec
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Bex Ayyan

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Haider Ali

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