GCSE Biology Quiz Questions and Answers PDF - 57

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

1. vitamin D12
2. vitamin K
3. vitamin E
4. vitamin B complex

MCQ 282: Over-breathing can be countered through

1. in breath longer than out breath
2. out breath longer than in breath
3. excessive breathing
4. holding breath

MCQ 283: Postum is a replacement of

1. nicotine
2. caffeine
3. alcohol
4. penicillin

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

1. bisexual
2. dioecious
3. unisexual
4. trisexual

MCQ 285: Energy reserves are normally stored as

1. glycogen
2. simple sugars
3. complex sugars
4. sucrose