Question
Biology Question on Cockroach
Blood of cockroach does not contains haemoglobin because:
A
it respires through atmosphere
B
it respires through book-lungs
C
it does not respire
D
it has some other means to cany oxygen direct into the tissue
Answer
it has some other means to cany oxygen direct into the tissue
Explanation
Solution
Blood of cockroach consist of corpuscles and a colourless fluid, the plasma. Blood does not contain any respiratory pigment and therefore, play no role in respiration.