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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
1
Easy
1 of 1
Understanding
+4 | -1
Assertion: Cyclostomes are marine but migrate for
spawning to fresh water.
Reason: Larvae of cyclostome is metamorphosed in
marine water
spawning to fresh water.
Reason: Larvae of cyclostome is metamorphosed in
marine water
View answer and explanation
Correct option: C
If the assertion is true but the reason is false
Option C is correct because the assertion is true (cyclostomes migrate to fresh water for spawning), but the reason is false (larvae metamorphose in fresh water).
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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
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?
