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Types of Neurons

Which of the ...

Question

Which of the following group of characters is present in all chordates in some or other stage in their life

A

Mammary glands, hair and gill slits

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B

Notochord, gill slits and dorsal tubular nervous system

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C

Notochord, scales and dorsal tubular nervous system

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D

Gill slits vertebral column and notochord

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Solution

The correct option is C Notochord, gill slits and dorsal tubular nervous system
Presence of notochord, Dorsal tubular nerve cord, phyaryngeal gill clefts, post annal tail RBCs and hepatic portal system is distinguising feature chordates.

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