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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
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Among Aedes, Limulus, Pheretima, Ancylostoma, Antedon, how many possess true coelom, segmentation and closed circulatory system?
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Correct option: A
One
Option A (One) is correct. Only Pheretima (earthworm) possesses true coelom, segmentation, and a closed circulatory system among the listed organisms.
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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
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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?