NEET UG BIOLOGY MCQ: ANIMAL KINGDOM

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[A]: Chordates have poor regeneration power while non-chordates have good regeneration power.

[R]: Non-chordates have asexual reproduction, so they have good regeneration power.

View answer and explanation

Correct option: A

Both A and R are true and R is the correct explanation of A

Option A is correct because both the assertion and reason are true, and the reason correctly explains why non-chordates have better regeneration power.

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Which one of the following in birds, indicates their reptilian ancestry The presence of the tube feet is a characteristic feature of the phylum Respiratory organs of Saccoglossus are Which of the following statements are true for the phylum – Chordata?
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?