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Byju's Answer
Standard X
Biology
Subphylum Cephalochordata
Notochord pre...
Question
Notochord present only in its embryonic stage, in _____________.
A
Branchiostoma
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B
Sting ray
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C
Scoliodon
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D
Sea Horse
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Solution
The correct option is
A
Branchiostoma
In Branchiostoma, Notochord prest only in
its enbryonic stage. It is one of the few
living genera of lancelets. It is the type genus
of family Branchiostomidae. A nothochord is a
Primitive beggining to the backbone.
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Q.
A notochord is present in the embryonic stage of:
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In which of the following the notochord is present only in embryonic stage?
Q.
Chordates in which the notochord gets replaced by a vertebral column at an embryonic stage are called
___.
Q.
In which of the following notochord is present
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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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