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Biological Molecules Multiple Choice Questions (MCQ) PDF Download

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Biological Molecules MCQ Quiz PDF Download: IGCSE Biology MCQs

MCQ 1: In digestion process protein molecules are

A) water soluble
B) very large to pass through living membranes
C) need to by hydrolyzed to get digested
D) produce amino acids as the final product

MCQ 2: Breaking down of large molecules like proteins, starch and fats is known as

A) mechanical digestion
B) chemical digestion
C) physical digestion
D) none of others

MCQ 3: In hydrolysis, the larger molecules are broken down into smaller molecules by the addition of

A) amino acids
B) water
C) grape sugar
D) sucrose

MCQ 4: Number of glucose (C6H12O6) units in a starch (C6H10O5)n molecule may be up to

A) 100
B) 200
C) 220
D) 300

MCQ 5: Most complicated food molecules are

A) proteins
B) fats
C) carbohydrates
D) glucose

IGCSE O Level Biology Practice Tests

Biological Molecules Learning App & Free Study Apps

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