In which of the following segments are the blood glands of an earthworm present?
A. 2, 3 and 4
B. 3, 4 and 5
C. 4, 5 and 6
D. 5, 6 and 7
Answer:C
In which of the following segments are the blood glands of an earthworm present?
A. 2, 3 and 4 B. 3, 4 and 5 C. 4, 5 and 6 D. 5, 6 and 7
Explanation: In earthworms, blood glands are present on the 4th, 5th, and 6th segments. They produce blood cells and hemoglobin which is directly dissolved in blood plasma as their blood does not have any respiratory pigment.