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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
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Read the statement and choose the correct option
Statement – Closed type of blood circulatory pathway is observed in
A. Annelida B. Arthropods C. Mollusca D. Cnidaria E. Chordates
Statement – Closed type of blood circulatory pathway is observed in
A. Annelida B. Arthropods C. Mollusca D. Cnidaria E. Chordates
View answer and explanation
Correct option: A
A and E
Option A (A and E) is correct because Annelida and Chordata are the only groups listed that exhibit a closed circulatory system.
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Which of the following statements are true for the phylum – Chordata?
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?