NEET UG BIOLOGY MCQ: ANIMAL KINGDOM

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[A]: The Ascidian tadpole larva possess all the basic chordate characters.

[R]: Both urochordates and other chordates have originated from a common ancestor.

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Correct option: A

Both A and R are true and R is the correct explanation of A

Option A (Both A and R are true and R is the correct explanation of A) is correct because Ascidian tadpole larva possess all the basic chordate characters, and both urochordates and other chordates have originated from a common ancestor.

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Which one of the following in birds, indicates their reptilian ancestry The presence of the tube feet is a characteristic feature of the phylum Respiratory organs of Saccoglossus are 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.
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Tapeworm, Roundworm, Hookworm, Threadworm

How many of the above mentioned parasites causes inflammation of the intestinal tract? What is left when bath-sponges dries up?