Phylum Chordata

Assertion: Hemichordata was earlier considered as subphylum under phylum chordata. But now it is placed as a separate phylum under non-chordata. Reason: Hemichordates have open type of circulatory system and indirect development.

Which of the following statements are true for the phylum-Chordata? (a) In urochordata notochord extends from head to tail and it is present throughout their life. (b) In vertebrata notochord is present during the embryonic period only. (c) Central nervous system is dorsal and hollow. (d) Chordata is divided into 3 subphyla: Hemichordata,Tunicata and Cephalochordata.

Non Chordata

Which of the following are categorized under Chordata ?

Discussion Class-3 Phylum Mollusca || Echinodermata || Hemichordata || Chordata || Cephalochordata || Pisces || Superclass

The phylum which was earlier considered as a subphylum under chordata but now placed as a separate phylum, in non-chordates is

Find out the odd one: (i) Family, Class, Taxon, Phylum (ii) indica, Ficus, Mangifera, Brassica (iii) Plantae, Chordata, Tracheophyta, Eucalyptus