NEET 2022 Model Paper 1

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Question : 190 of 200
 
Marks: +1, -0
Observe the following figure and label A and B respectively
  A B
(1) Notochord Post-anal part
(2) Nerve cord Gill slits
(3) Gill slits Nerve cord
(4) Post-anal part Nerve cord
Choose the correct option.
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