Read the given statements about blood vascular system of co…

Biology Structural Organization in Animals Skill Builder Single Correct MCQ

Published on: August 21, 2026

Read the given statements about blood vascular system of cockroach.

Circulatory system of cockroach is of closed type
Only ,

It contains 8 pairs of spiracles
and and

Blood vessels are well-developed and open into haemocoel

The haemolymph is composed of colourless plasma and haemocytes
Which of the statement (s) given above is/are incorrect? Only

Text Solution

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The correct answer is:

Blood vascular system of cockroach is an open type.

Respiratory system of cockroach consists of 10 pairs of small holes called spiracles.

Blood vessels are poorly developed and open into space (haemocoel).

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