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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
1
Hard
1 of 1
Understanding
+4 | -1
[A]: The body cavity of earthworm is a true coelem.
[R]: It is lined by peritoneum derived from ectoderm.
[R]: It is lined by peritoneum derived from ectoderm.
View answer and explanation
Correct option: C
A is true but R is false
Option C is correct because the assertion is true (earthworms have a true coelom), but the reason is false (peritoneum is derived from mesoderm, not ectoderm).
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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?