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Statement-1 : Cephalochordata bears noto...

Statement-1 : Cephalochordata bears notochord all along the body throughout life
Statement-2 Urochordate bears vertebral column only in tail region throughout the life
Then which is correct?

A

Both stetement -1 and Statement -2 are correct

B

Statement -1 is correct, statement -2 is wrong

C

Statement -1 is wrong, statement -2 is correct

D

Both statement -1 and statement -2 are wrong

Text Solution

Verified by Experts

The correct Answer is:
B
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Notochord occurs all through the length of body and throughout life in

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Which of the following have notochord throughout life?

In which subphylum notochord extends from head to tail and persistent throughout the life?

Read the given statements and select the correct option. Statement 1 : Cephalochordate bears notochord throughout their life. Statement 2: In cephalochordates, notochord extends from head to tail.

In which sub-phylum Notochord extends from head to tail region and persistent throughout their life?

In the sub-phylum (_i_) notochord is present only in the larval tail, while in (_ii_), it extends from head to tail region and is persistent throughout their life. In (_iii_) class of vertebrate notochord is replaced by certilaginous vertebral column and (_iv_) class of vertebrate the notochord is replaced by bony vertebral column. select the option which is correct for all (i)-(iv) blanks.

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.