O Level

Biology MCQs

O Level Biology MCQs - Subtopic

Biology Questions Answers MCQ with Answers

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MCQs on Biology Questions Answers

1.

To facilitate entry of CO2 in leaf is done through stomata, as well as through the water film on the

upper epidermis
lower epidermis
spongy mesophyll cells
palisade mesophyll cells

2.

If the drug of an addicted person is withheld, the person experiences

insomnia
sleep and stupor
drawl symptoms
death

3.

Energy reserves are normally stored as

glycogen
simple sugars
complex sugars
sucrose

4.

Due to adrenaline in blood, Fatigue is a

possible short tem effect
a long term effect
causes diarrhea
causes pain in stomach

5.

Enzyme to bring about conversion of glycogen (C6H10O5)n to glucose (C6H12O6) is

insulin
adrenaline
glucagon
galactose