NEET UG BIOLOGY MCQ: ANIMAL KINGDOM

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Understanding +4 | -1

Consider the following four statement (a – d) and select the option which includes all the correct ones only?

a. All sponges are primitive multicellular animals having tissue level of organisation

b. Few coelenterates have exoskeleton which is made up of

CaC{O_3}

are known as corals

c. All cnidarian aquatic, fixed or free floating, symmetrical animals

d. All sponges are unisexual animals and completes internal fertilization

View answer and explanation

Correct option: B

Statements b & c

Option B (Statements b & c) is correct because few coelenterates (cnidarians) have exoskeletons made of

CaCO_3

and are known as corals, and all cnidarians are aquatic, fixed or free-floating, and radially symmetrical.

More Questions from ANIMAL KINGDOM

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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.
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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?