IGCSE O Level Biology Certification MCQs – Practice Test 3 (Chapter 8)

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Excretion O Level Biology Quiz PDF Download – Practice Test 3

MCQ 11: Malpighian capsule refers to the:

renal capsule only
mass of blood capillaries only
mass of veins
renal capsule and mass of blood capillaries

MCQ 12: The purpose of the sphincter muscle is to:

allow the urine to flow in ureter
hold urine in bladder
relax and allow the urine to flow
connect urine to urethra

MCQ 13: Osmoregulators refers to regulating:

salt concentration in blood only
water concentration in blood only
mineral concentration in blood
salt and water concentration in blood

MCQ 14: Metabolism refers to the:

anabolic activities
catabolic activities
respiratory activities
both A and B

MCQ 15: Amount of ADH (Antidiuretic hormone) determines the amount of:

water a person shall drink
water reabsorbed in kidney
oxygen required to oxidize lactic acid
oxygen required in rigorous running and physical activities

IGCSE O Level Biology Quiz App & e-Book – Excretion: O Level Biology Certification Guide

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