NEET UG BIOLOGY MCQ: ANIMAL KINGDOM

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Understanding +4 | -1

Study the following sentences.
I.It is a terrestrial arthropod.
II.The prosoma bears a pair of chelicerae, a pair of the pedipalps and four pairs of walking legs.
III.The metasoma ends in a telson.
IV.First pair of walking legs are modified as poisonous claws.
Which of the above are true for Heterometrus?

View answer and explanation

Correct option: B

I and II

The correct answer is B (I and II) because Heterometrus (scorpion) is a terrestrial arthropod, and its prosoma bears chelicerae, pedipalps, and four pairs of walking legs.

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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?
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