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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
1
Medium
1 of 1
Understanding
+4 | -1
A: Platyhelminthes have dorso-ventrally flattened body, hence are called flatworms.
R: Some memebers like Planaria possesses high regeneration capacity.
R: Some memebers like Planaria possesses high regeneration capacity.
View answer and explanation
Correct option: B
Both A and R are true but reason is not correct explanation of assertion
Option B (Both A and R are true but reason is not correct explanation of assertion) is correct because Platyhelminthes are indeed dorso-ventrally flattened, and Planaria have high regeneration capacity, but regeneration isn't the reason for their flattened body shape.
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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?
