Match the respiratory surface to the organism in which it is found :OrganismsRespiratory surface / organs(1) Limulus(a) Lungs(2) Protists(b) Internal gills(3) Tadpoles of frog(c) Book lungs(4) Fishes(d) External gills(5) Reptiles(e) Plasma membrane(6…

Q.15

Match the respiratory surface to the organism in which it is found :

Doubtly Asked 28 Oct 2026 Board exam · March 2026 hsc 12th Save WhatsApp Report

1 answer

Best answer

Answer: (1)–(f), (2)–(e), (3)–(d), (4)–(b), (5)–(a), (6)–(c)

Organism	Respiratory surface / organ
(1) Limulus (king crab)	(f) Book gills
(2) Protists	(e) Plasma membrane (diffusion through body surface)
(3) Tadpoles of frog	(d) External gills
(4) Fishes	(b) Internal gills
(5) Reptiles	(a) Lungs
(6) Spiders	(c) Book lungs

(g) Cloaca is the odd one out (cloacal respiration is seen in some turtles, not asked here).

Doubtly AI · 28 Oct 2026 AI-verified · Oct 2026 Report

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