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The posterior sucker is formed b y th e ...

The posterior sucker is formed b y th e fusion of the _________ segments.

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Fill in the blanks: (i) The posterior sucker is formed by the fusion of the _____ segments. (ii) The blood sucking habit of leech is known as_____.

The posterior sucker is formed by the fusion of the ... ............ segments.

Knowledge Check

  • In humans, coccyx is formed by the fusion of vertebrae.

    A
    3
    B
    4
    C
    5
    D
    6

  • In humans, coccyx is formed by the fusion of vertebrae...........

    A
    3
    B
    4
    C
    5
    D
    6

  • Assertion (A): First 20 segments are most important organ for the earthworms. Reason (R) : If earthworm gets cut after the the 20th segment, the anterior half can regenerate, while the posterior half shall disintegrate after some time. So first 20 segments are important for earthworms.

    A
    (A) is correct and (R) explains (A)
    B
    Both (A) and (R) are wrong
    C
    (A) is correct but (R) is wrong
    D
    (R) is correct but (A) is wrong

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    Head of the cockroach is formed by the fusion of -segments

    The sub pharyngeal ganglion in leech is formed b y fusion of ________ pairs of ganglia.

    The coxal bone of the pelvic girdle is formed by the fusion of

    Anterior and posterior suckers of a leech help in ___________and ________ .

    __________ ganglion lies below the pharynx and is formed by the fusion of four pairs of ganglia.

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