ZoologyWhich of the following characteristic is incorrect with respect to cockroach?

Which of the following characteristic is incorrect with respect to cockroach?

  1. A

    Head is triangular, formed by the fusion of six segments and lies anteriorly at right angles to  the longitudinal body axis.

  2. B

    Haemolymph is composed of colourless plasma.

  3. C

    Malpighian tubules are lined by glandular and ciliated cells.

  4. D

    A pair of spermatheca is present in 6th segment which opens into genital chamber of male cockroach.

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    Solution:

    A pair of spermatheca is present in 6th segment which opens into genital chamber of female cockroach.

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