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Structural Organisation in Animals question

2018 · Q37
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Structural Organisation in Animals question

2018 · Q37

NEETBiologyStructural Organisation in AnimalsMCQ+4 / −1
Which of the following features is used to identify a male cockroach from a female cockroach?
  1. A
    Forewings with darker tegmina
  2. B
    Presence of caudal styles
  3. C
    Presence of anal cerci
  4. D
    Presence of a boat-shaped sternum on the 9th abdominal segment
View written solutionFree

Correct answer: B

Male cockroach bears a pair of short threadlike anal/caudal styles which are absent in females. They project backwardly from the sides of 9th abdominal segment in male cockroach.

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