IGCSE O Level Biology Competitive Exam MCQs – Mock Test 3

Stomata and Functions Notes Questions with Answers PDF Download – Test 3

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Stomata & Functions MCQs – Mock Test 3 PDF Download

MCQ 11: Guard cells of stoma are:

irregular in shape
convex in shape
long and cylindrical in shape
kidney-shaped

MCQ 12: Special kind of protein containing iron is called as:

hormones
hemoglobin
fibrinogen
globulins

MCQ 13: In the cardiac system, systole means:

a "lub" sound
ventricular relaxation
closure of semilunar valves
a "dub" sound

MCQ 14: The pH of succus entericus is:

below 7
neutral
above 7
depending upon the type of food to be digested

MCQ 15: Pulmonary veins carry:

red oxygenated blood
bluish red deoxygenated blood
deoxygenated blood from heart to the lungs
oxygenated blood from lungs to heart

IGCSE O Level Biology Notes App & eBook – Stomata & Functions Competitive Exam

Mode of action of heart MCQs

Epigeal and Hypogeal Germination MCQs

Brain of Mammal: Forebrain MCQs

Kidneys as Osmoregulators MCQs

Parts of Flower MCQs

Features of sexual reproduction in animals MCQs

Structure of a wind pollinated flower MCQs

Stomata and Functions MCQs

Red Blood Cells and Haemoglobin MCQs

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