| (i) The body of the cockroach is segmented and divisible into three distinct regions - head, thorax and abdomen. |
| (ii) Blood vascular system is of closed type. |
| (iii) They are monoecious and both sexes have well developed reproductive organs. |
| (iv) The development of P. americana is paurometabolus, meaning there is development through nymphal stage. |
A) (i) and (ii)
B) (ii) and (iii)
C) (i) and (iv)
D) All of the above
Correct Answer: C
Solution :
[c] Blood vascular system of cockroach is an open type. They are dioecious and both sexes have well developed reproductive organs.
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