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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
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Which of the following have a body cavity not lined by mesoderm, but is present as scattered pouches in between ectoderm and endoderm?
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Correct option: D
Aschelminthes
Option D (Aschelminthes) is correct because Aschelminthes (nematodes) possess a pseudocoelom, which is a body cavity not entirely lined by mesoderm.
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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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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?