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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
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Assertion: Metagenesis in Obelia is equivalent to
alternation of generation in plant
Reason: Polyp is haploid and medusa phase is diploid in
Obelia
alternation of generation in plant
Reason: Polyp is haploid and medusa phase is diploid in
Obelia
View answer and explanation
Correct option: D
If both the assertion and reason are false
Option D (If both the assertion and reason are false) is correct because metagenesis in Obelia is not equivalent to alternation of generation in plants, and both polyp and medusa are diploid.
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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?
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?
