Which of the following statements is NOT true | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(C) Hemichordates were previously considered a sub-phylum under Phylum Chordata,but they are now placed as a separate phylum. They are $NOT$ protochor

Vedclass · Accepted Answer

The circulatory system is simple and closed type.

Vedclass · Answer

(C) Hemichordates were previously considered a sub-phylum under Phylum Chordata,but they are now placed as a separate phylum. They are $NOT$ protochordates because they lack a true notochord; they possess a 'stomochord' which is a rudimentary structure. The digestive tract is complete and straight. The circulatory system is of the open type,not closed. Excretion occurs through the proboscis gland. Therefore,statements $A$ and $C$ are technically incorrect,but in the context of standard biology questions,the circulatory system being 'closed' is a definitive error as it is 'open'.

Which of the following statements is $NOT$ true for Hemichordata?

Similar Questions

Which of the following is a common feature shared by Hemichordata and Chordata?

What is the shape of the alimentary canal in Hemichordata?

The phylum which was earlier considered as a sub-phylum under $Chordata$ but now placed as a separate phylum in non-chordates is:

Which of the following animals are exclusively marine and generally tube-dwelling?

Hemichordates are:

Vedclass Test Series

Exam Paper Generator

Online Exam Module