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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
1
Medium
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Understanding
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Statement I: Cyclostomes have a sucking and circular mouth with jaws.
Statement II: Body of cyclostomes is devoid of scales but paired fins are present.
Statement II: Body of cyclostomes is devoid of scales but paired fins are present.
View answer and explanation
Correct option: D
If statement I is wrong and statement II is wrong
Option B is correct because cyclostomes have a sucking and circular mouth without jaws and their body lacks scales and paired fins.
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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?