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IGCSE O Level Biology Certification Exam Tests

IGCSE O Level Biology Practice Test 57

GCSE Biology Quiz Questions and Answers PDF - 57

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GCSE Biology Quiz Answers PDF Download: Test 57

MCQ 281: One of the most common essential component of many co-enzymes is

A) vitamin D12
B) vitamin K
C) vitamin E
D) vitamin B complex

MCQ 282: Over-breathing can be countered through

A) in breath longer than out breath
B) out breath longer than in breath
C) excessive breathing
D) holding breath

MCQ 283: Postum is a replacement of

A) nicotine
B) caffeine
C) alcohol
D) penicillin

MCQ 284: If male and female flowers are born on different plants, the plant is called

A) bisexual
B) dioecious
C) unisexual
D) trisexual

MCQ 285: Energy reserves are normally stored as

A) glycogen
B) simple sugars
C) complex sugars
D) sucrose

IGCSE O Level Biology Exam Prep Tests

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O Level Biology App (Android & iOS)

10th Grade Biology App (Android & iOS)

10th Grade Biology App (Android & iOS)

SAT Biology App (Android & iOS)

SAT Biology App (Android & iOS)