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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
1
Medium
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Understanding
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Given below are three statements regarding Aschelminthes.
(i)They are bilaterally symmetrical and triploblastic.
(ii) They are dioecious.
(iii) All are plants or animals parasites.
Select the option that has both the correct statements.
(i)They are bilaterally symmetrical and triploblastic.
(ii) They are dioecious.
(iii) All are plants or animals parasites.
Select the option that has both the correct statements.
View answer and explanation
Correct option: A
(i) and (ii)
Option A ((i) and (ii)) is correct because Aschelminthes are bilaterally symmetrical and triploblastic, and they are dioecious (sexes are separate).
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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?
