Question

Which is incorrect for circulatory system of cockroach?
(1) Blood vessels are poorly developed
(2) Plasma, haemocytes, erythrocytes are present
(3) Heart chamber possess ostia on either side
(4) Paired alary muscles are present​

Answer 1

Answer:

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option 1

Answer 2

Answer:

2

Explanation:

blood contain only hemocytes or plasma