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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
1
Hard
1 of 1
Understanding
+4 | -1
[A]: Protozoans have no physiological division of labour.
[R]: They have a well developed cell tissue and tissue organ system.
[R]: They have a well developed cell tissue and tissue organ system.
View answer and explanation
Correct option: C
A is true but R is false
Option C (A is true but R is false) is correct because protozoans lack physiological division of labor, but they do not have well-developed tissue and organ systems.
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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?