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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
1
Medium
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Understanding
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A: The most distinictive feature of echinoderms is the process of water vascular system.
R: Water vascular system helps in locomotion, capture and transport of food and respiration.
R: Water vascular system helps in locomotion, capture and transport of food and respiration.
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Correct option: A
Both A and R are true and the reason is correct explanation of assertion
Option A (Both A and R are true and the reason is correct explanation of assertion) is correct because the water vascular system is unique to echinoderms and it functions in locomotion, food capture, transport, and respiration.
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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?
