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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
1
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Understanding
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(S-I): The body cavity of nematodes is a pseudocoel.
(S-II): The body of the aschelminthes is a circular in cross-secti, hence the name roundworms.
(S-II): The body of the aschelminthes is a circular in cross-secti, hence the name roundworms.
View answer and explanation
Correct option: A
Both statements are true
Option A (Both statements are true) is correct because nematodes possess a pseudocoelom and aschelminthes are indeed round in cross-section, hence the name roundworms.
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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. Read the following organisms given in the below
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?