Question

Which among the following is not correct about Urochordata?

(a) They are a classification under Protochordates

(b) They have post anal tail only till their larval stage

(c) Most of these are marine and almost extinct

(d) They don’t contain gill clefts

I had been asked this question in my homework.

This interesting question is from Classification of Animal Kingdom into Different Phylum-2 in chapter Animal Kingdom of Biology – Class 11

Answer 1

Correct option is (d) They don’t contain gill clefts

For explanation: Urochordata is classified under Protochordates. They have post anal tail only till their larval stage. Most of these are marine and almost extinct. They contain pharyngeal gill slits in the form of gill clefts.