NEET UG BIOLOGY MCQ: ANIMAL KINGDOM

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Read the following paragraph.
An insect whose mouthparts are biting and chewing type in the larval condition, while they are siphoning type in the adult and this insect gives an economically important substance during yet another stage of its development.
The insect is

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Correct option: C

Bombyx

Option C (Bombyx) is correct because Bombyx mori (silkworm) has chewing mouthparts as a larva, siphoning mouthparts as an adult (moth), and produces silk.

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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

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