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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
1
Hard
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Understanding
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[A]: All invertebrates can keep their body temperature constant all the time.
[R]: Amoeba can also keep its body temperature constant as it has well-defined blood vascular system.
[R]: Amoeba can also keep its body temperature constant as it has well-defined blood vascular system.
View answer and explanation
Correct option: D
Both A and R are false
Option D (Both A and R are false) is correct because invertebrates cannot maintain a constant body temperature, and Amoeba lacks a well-defined blood vascular system.
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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?