Phylum: Chordata

Name the first part of the endoskeleton to appear in the embryo of the chordates, whether it is skeleton system or notochord?

The notochord is derived from the embryonic

The notochord is present in the phylum Chordata.

Fill in the blank with the correct answer from the bracket.

_____ is a flexible rod-like structure situated along the mid-dorsal line below the gut and the nerve cord in the members of the phylum Chordata. (Notochord, Canal system, alimentary canal) 

The distinguishing feature of all chordates is ______________.

Which one is common feature of Amphioxus, Frog, Sea Horse and Crocodile?

Which of the following is the correct sequence of order of number of species?

Which one of the following features is present in some stage of the life history of all chordates?

The early stage human embryo distinctly possesses

Assign appropriate class/ phylum/ division to the following:

Herdmania-

One character is given wrongly for phylum Chordata, mark it.

One character is given wrongly for the phylum Chordata. Mark it.

Which one of the following classes is incorrectly matched with its two general characters?

Which one of the following categories of animals, is correctly described with no single exception in it?

Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception?

Which one of the following groups of animals is correctly matched with their two characteristic features?

Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception?

Which one is not a correct statement ?

Crocodile, fish and frog, on one hand, and squirrel and crow, on the other hand, differ in the following:

The post anal tail is present in