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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
1
Hard
1 of 1
Understanding
+4 | -1
[A]: In elastic lungs of birds are supplemented by remarkable system of air sacs.
[R]: Air sacs function in storage of food.
[R]: Air sacs function in storage of food.
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 birds have air sacs to supplement respiration, but they do not function in food storage.
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b) A post anal tail is present in all adult urochordates.
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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?