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Which of the following statements are incorrect in reference to the blood vascular system of the earthworm? I. Blood vascular system is of open type II. Smaller blood vessels supply the gut, nerve cord and the body wall III. Blood glands are present on 6th 7th and 8th segment IV. Blood cells are phagocytotic in nature |
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a) |
Only I |
b) |
I and IV |
c) |
I and III |
d) |
II and III |
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Which of the following statements are incorrect in reference to the blood vascular system of the earthworm? I. Blood vascular system is of open type II. Smaller blood vessels supply the gut, nerve cord and the body wall III. Blood glands are present on 6th 7th and 8th segment IV. Blood cells are phagocytotic in nature |
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|
a) |
Only I |
b) |
I and IV |
c) |
I and III |
d) |
II and III |
(c)
Blood vascular system of the earthworm is of closed type, consisting of blood vessels, capillaries and heart. Blood glands are present on the 4th, 5th and 6th segments