IGCSE O Level Biology MCQs – Mock Test 192

Circulatory system MCQ with Answers PDF Download – Test 192

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Circulatory system MCQ – Mock Test 192 PDF Download

MCQ 956: In a human body, arteries:

carry blood away from body
carry blood away from heart
bring blood back to body
bring blood back to heart

MCQ 957: 70 to 90% of cell protoplasm is:

hemoglobin
protoplasm
water
energy

MCQ 958: Across age, the basal metabolic rate:

changes
remains constant
increases
decreases

MCQ 959: More motile gametes are:

male
female
both
gonads

MCQ 960: Presence of tubifax worms indicate that:

the parasites are found in the intestine
cellulose in grass can easily be digested by pri-consumers
water is highly polluted
BOD is very low

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