Question

Which among the following statements is incorrect about Hemichordates?

(a) Embryo development is indirect i.e. they have an intermediate larval stage

(b) The circulatory system is of closed type i.e. they have a dorsal heart and blood vessels

(c) They have dorsal and ventral nerves that help in coordination

(d) They are monoecious

I got this question during an online interview.

This interesting question is from Classification of Animal Kingdom into Different Phylum-4 in portion Animal Kingdom of Biology – Class 11

Answer 1

Right option is (d) They are monoecious

For explanation: Embryo development is indirect i.e. they have an intermediate larval stage. The circulatory system is of closed type i.e. they have a dorsal heart and blood vessels. They have dorsal and ventral nerves that help in coordination. They are dioecious.