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Subphylum Urochordata

Only the tail...

Question

Only the tail portion contains notochord in

A

Chordata

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B

Caphalochordata

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C

Hemichordata

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D

Urochordata

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Solution

The correct option is D Urochordata
A) Chordata is a subphylum which includes animals that have notochords.
B) Cephalochordata is a subphylum included in the phylum chordata. Notochord in this taxon extends from head to tail and persists throughout the life of the organism.
C) Hemichordata is a phylum which has a false notochord known as stomochord.
D) Urochordata is a subphylum in the phylum Chordata. Notochord in this phylum is present only in tails only in larval stages.

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Similar questions

Q. In both Urochordata and Cephalochordata, the notochord is present at the tail region only.

Q. Statement 1: Cephalochordata bears notochord throughout their life.

Statement 2: In cephalochordates, notochord extends from head to tail.

Q. In _______, notochord is present only in larval tail while in ________, it extends from head to tail region and is persistent throughout their life.

Q. Which of the following statements is (are) not true?
(A) In Urochordata, the notochord is present only in the larval tail.
(B) In Cephalochordata, notochord extends from head to tail region.
(C) Branchiostoma belongs to Hemichordata
(D) Only one class of living members, class Cyclostomata represents the superclass Agnatha.

Q. Which of the following statements are true for the phylum - chordata?
(a) In urochordata notochord extends from head to tail and it is present throughtout 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.

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Subphylum Urochordata

Standard XII Biology

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