IGCSE O Level Biology MCQs - Chapter 19

What Are Enzymes Multiple Choice Questions (MCQs) PDF Download - 5

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The MCQ: Enzymes are largely composed of; "What Are Enzymes" App Download (Free) with answers: Carbohydrates; Fat; Proteins; Minerals; for online associates degree. Solve Biotechnology: Fermentation Products Quiz Questions, download Google eBook (Free Sample) for best SAT prep courses online.

What Are Enzymes MCQs with Answers PDF Download: MCQ Quiz 5

MCQ 21:

Enzymes are largely composed of

fat
carbohydrates
proteins
minerals

MCQ 22:

When body produces enzymes?

regularly
only when they are needed
on a cyclic routine
commonly found in blood

MCQ 23:

To expedite heating potassium chlorate (KClO₃) to get oxygen (O₂) and potassium chloride (KCl), the suitable catalyst maybe

silver
chlorine
manganese oxide
citric acid

MCQ 24:

When potassium chlorate (KClO₃) is heated, the products include

potassium chloroform and water
Potassium chloride and water
potassium chloride and enzymes
Potassium carbonate and oxygen

MCQ 25:

Amylase works optimally at a pH of

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What Are Enzymes MCQs

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