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NEET UG BIOLOGY MCQ: ANIMAL KINGDOM
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A list of animals is given below. Identify the animals with open circulatory system and choose the correct answer
I.Ascidia
II.Cockroach
III.Earthworm
IV.Prawn
V.Silverfish
VI.Snail
VII.Squid
I.Ascidia
II.Cockroach
III.Earthworm
IV.Prawn
V.Silverfish
VI.Snail
VII.Squid
View answer and explanation
Correct option: D
II, IV, V and VI
Option D (II, IV, V and VI) is correct because Cockroach, Prawn, Silverfish, and Snail all have open circulatory systems.
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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?