Question
Biology Question on Structural Organisation of Animals and plants
Which of the following holds true for blood circulation in earthworm?
A
It is of closed type.
B
It is of open type.
C
Haemoglobin is present in RBC.
D
Oxygen is not transported by blood. I
Answer
It is of closed type.
Explanation
Solution
Blood vascular system of earthworm is of closed type as blood flows in closed blood vessels. Oxygen carrying respiratory pigment, haemoglobin is present in the plasma due to which the colour of plasma xiv AIIMS Chapterwise Solutions Biology\ is red. Only one type of blood corpuscles, leucocytes are present in the blood of earthworm.