Question

Which of the following given characteristics is wrong about Amphioxus?

• A. Its pharynx is very large and contains gill-slits.
• B. Amphioxus is a unisexual organism.
• C. Notochord is present in only tail region of larvae.
• D. It is a small, fish-like, marine animal.

Answer 1

The correct option is C Notochord is present in only tail region of larvae.

Notochord is a rudimentary form of verterbrae, which is only present in the animals belonging to the Phylum Chordata.Amphioxus is an organism belonging to Sub phylum Cephalochordata. In Amphioxus, the notochord is present through out its life along its full body length.