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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
1
Medium
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Understanding
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Assertion: The body surface of annelids is distinctly marked out into segments or metameres.
Reason: Aquatic annelids like Nereis possess lateral appendages called Parapodia.
Reason: Aquatic annelids like Nereis possess lateral appendages called Parapodia.
View answer and explanation
Correct option: B
Both assertion and reason are correct but reason is not the correct explanation to assertion
Option B (Both assertion and reason are correct but reason is not the correct explanation to assertion) is correct because both the segmentation of annelids and the presence of parapodia in Nereis are true, but parapodia don't explain segmentation.
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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
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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?
