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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
1
Easy
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Understanding
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Assertion: Platyhelminthes are known as flat worms.
Reason: Platyhelminthes have laterally compressed body.
Reason: Platyhelminthes have laterally compressed body.
View answer and explanation
Correct option: C
If the assertion is true but the reason is false
Option C is correct because the assertion that Platyhelminthes are flatworms is true, but the reason that they have laterally compressed bodies is false. They are dorsoventrally flattened.
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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.
d) Vertebrates have a ventral muscular heart with two, three or four chambers. Read the following organisms given in the below
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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?