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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
1
Medium
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Understanding
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What is left when bath-sponges dries up?
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Correct option: B
Spongin fibres
Option B (Spongin fibres) is correct because bath sponges primarily consist of a network of spongin fibers that provide structural support.
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b) A post anal tail is present in all adult urochordates.
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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? Siphonophora is the order in