IGCSE O Level Biology Competitive Exam MCQs – Practice Test 5 (Chapter 8)

Excretion: O Level Biology Multiple Choice Questions and Answers PDF – Test 5

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Excretion O Level Biology MCQs with Answers PDF Download – Test 5

MCQ 21: Blood pressure required for ultrafiltration is provided through:

simple mechanical process
afferent arteriole
efferent arteriole
heart beat

MCQ 22: Kidneys are responsible for excretion of:

bile pigments
creatinine
nitrogenous wastes
carbon dioxide

MCQ 23: Bulk of undigested material is a:

result of tissue respiration
formed inside cells
never absorbed in the cells
produced due to metabolic changes

MCQ 24: In excretion process ultrafiltration retains:

proteins only
platelets only
water
proteins and platelets

MCQ 25: Blood enters glomerulus through:

afferent arteriole
efferent arteriole
convoluted tubules
blood capillaries

Excretion: O Level Biology MCQs App & e-Book – IGCSE O Level Biology Competitive Exam

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