IGCSE O Level Biology MCQs - Chapter 19

What Are Enzymes Multiple Choice Questions (MCQ) PDF - 6

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The MCQ: Beyond optimum temperature, the enzyme becomes; "What Are Enzymes" App Download Android & iOS (Free) with answers hyperactive only, flat only, flat and hyperactive and denatured to learn online classes courses. Practice factors affecting enzymes quiz questions, download Apple Book (Free Sample) for ACT test prep classes.

What Are Enzymes Questions & Answers PDF Download: MCQ Quiz 6

MCQ 26: Beyond optimum temperature, the enzyme becomes

flat only
hyperactive only
flat and hyperactive
denatured

MCQ 27: While testing presence of sugar in urine, strip color changes due to amount of

glucose oxidase
peroxidase
hydrogen per oxide
hydrogen bicarbide

MCQ 28: Sucrose is broken down into glucose (C₆H₁₂O₆) and fructose (C₆H₁₂O₆) through enzyme

salivary amylase
salicylate
sucrose
sucral

MCQ 29: Organic catalysts called enzymes are mainly made up of

carbohydrates
fats
potassium
proteins

MCQ 30: Many food substances taken in by animals are

soluble in water
insoluble in water
digested without enzymes
digested through fats

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