Question
Biology Question on Kingdom Animalia
In which of the following animals, haemocyanin pigment is found?
A
annelida
B
echinodermata
C
insecta
D
mollusca.
Answer
mollusca.
Explanation
Solution
In molluscs, blood often has a copper- containing, blue respiratory pigment called haemocyanin. In insects, the blood called haemolymph is colourless. In echinodermates, blood is colourless as it has no respiratory pigment. In annelids, the blood is red with haemoglobin dissolved in plasma.