A) 1, 2 and 3
B) 3, 4 and 5
C) 4, 5 and 6
D) 10, 11 and 12
Correct Answer: C
Solution :
In the 4th, 5th and 6th segment of Pheretima, there are some red coloured glands are situated on the dorsal side of the alimentary canal. These are said to produce haemoglobin and corpuscles and known as blood glands.
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