Question

In non chordates, blood flow is _________ is ventral vessel and __________ in dorsal vessel.

• A. Backward, backward
• B. Backward, forward
• C. Forward, backward
• D. Forward, forward

Answer 1

The correct option is B Backward, forward

• Blood flow is forward in ventral vessel and backward in dorsal vessel, in Chordates.
• Whereas, it is backward in ventral vessel and forward in dorsal vessel, in Non-Chordates. Hence, option B is correct.