O Level Courses

Chapter 19: IGCSE O Level Biology Exam Tests

IGCSE O Level Biology MCQs - Chapter 19

What Are Enzymes Multiple Choice Questions (MCQ) PDF - 14

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What Are Enzymes Questions and Answers PDF Download: MCQ Quiz 14

MCQ 66:

Very low temperatures make the enzyme

  1. hyperactive
  2. freeze
  3. dissolve in water
  4. inactive
MCQ 67:

Glucose oxidase and peroxidase aid in

  1. making chocolates
  2. dying leather
  3. detecting presence of sugar in urine
  4. making sweets
MCQ 68:

Papain found in papaya becomes denatured above

  1. 45 °C
  2. 55 °C
  3. 65 °C
  4. 75 °C

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What Are Enzymes App (Android & iOS)

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