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Harshvardhana's Reign

Find out the ...

Question

Find out the organism from the following options with these characters:

A

Ascidian

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B

Sea urchin

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C

Lamprey

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D

Amphioxus

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Solution

The correct option is A Ascidian
Subphylum Urochordata :
Notochord is present only in the tail region of free-living larva. Adults are sessile forms and mostly degenerate.

The body is covered with a tunic or test.

Example:Ascidian

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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 is not true?
A. In Urochordata, the notochord is present only in the larval tail.
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D. Only one class of living members, class Cyclostomata represents the Superclass Agnatha.

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