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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
1
Hard
1 of 1
Understanding
+4 | -1
S-I: Urochordates & Cephalochordates are included under the group Acraniata.
S-II: Both of these subphyla are devoid of cranium.
S-II: Both of these subphyla are devoid of cranium.
View answer and explanation
Correct option: A
Both (I) and (II) are true
Option A (Both (I) and (II) are true) is correct because Urochordates and Cephalochordates are included under the group Acraniata, and both subphyla lack a cranium.
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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?