Tracheae of Cockroach and Mammal are similar in having [CBSE PMT 1993] – McqOptions

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1.	Tracheae of Cockroach and Mammal are similar in having [CBSE PMT 1993]
A.	Paried nature
B.	Noncollapsible walls
C.	Ciliated inner lining
D.	Origin from head
Answer» C. Ciliated inner lining

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