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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
1
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Understanding
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Assertion (A): The space between the hump and mantle is called mantle cavity in which feathe like gills are present Reason (R):They have respiration and excretory function
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Correct option: A
Both Assertion and Reason are true and Reason is the correct explanation of Assertion
Option A is correct because both the assertion and reason are true, and the reason correctly explains why the mantle cavity contains feather-like gills for respiration and excretion.
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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?
