First slide
Respiratory Organs
Question

Match the items given in column I with those in column II and select the correct option.

 Column I Column II
(a)General body surface(i)Reptiles
(b)Lungs(ii)Molluscs
(c)Tracheae(iii)Insects
(d)Gills(iv)Coelenterates
 (a)(b)(c)(d)
(1)iviiiiii
(2)iiiiiiiv
(3)iiiiviii
(4)iiiiiiiv

Moderate
Solution

General body surface-Sponges, coelenterates, flatworms, etc
Lungs-Amphibians, reptiles, birds and mammals
Tracheae-Insects
Gills-Aquatic amphibians, molluscs, fishes, etc

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