Animal Kingdom Question 516
Question: Tracheae of Cockroach and Mammal are similar in having [CBSE PMT 1993]
Options:
A) Paried nature
B) Noncollapsible walls
C) Ciliated inner lining
D) Origin from head
Show Answer
Answer:
Correct Answer: B
Solution:
In cockroach, the trachea is lived with spiral thickning of cuticle called intima which prevents the tracheal tubes from collapsing (Trachea of rabbits is also non collapsible).
BETA
