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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
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Which of the following statements are true for the phylum – Chordata?
a) In Vertebrata the notochord is replaced by a cartilaginous or bony vertebral column in the adult.
b) A post anal tail is present in all adult urochordates.
c) In Cephalochordata, notochord is present only in larval tail.
d) Vertebrates have a ventral muscular heart with two, three or four chambers.
a) In Vertebrata the notochord is replaced by a cartilaginous or bony vertebral column in the adult.
b) A post anal tail is present in all adult urochordates.
c) In Cephalochordata, notochord is present only in larval tail.
d) Vertebrates have a ventral muscular heart with two, three or four chambers.
View answer and explanation
Correct option: B
(a) and (d)
Option B ((a) and (d)) is correct because statement (a) accurately describes the vertebral column development in Vertebrata, and statement (d) correctly states the heart's position and chamber variations in vertebrates.
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