Question

Name the phylum which is characterized by the presence of notochord .पृष्ठ रज्जु (पाठीचा कणा) हे वैशिष्ठ्य असणाऱ्या संघा चे नाव काय? *

a) Chordata/ समपृष्ठरज्जु

b) Hemichordata/अर्धसमपृष्ठरज्जू

c) Echinodermata/ कंटकचर्मी

d) Mollusca/ मृदूकाय

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Answer 1

The notochord is a flexible rod and primitive beginning to the backbone. It is found exclusively in the phylum Chordata, a group of animals defined by this characteristic and that we humans belong to.

Answer 2

Answer:

answer is option c Hemichordata

Explanation:

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