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Structural Organisation in Animals question

2013 · Q53
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Structural Organisation in Animals question

2013 · Q53

NEETBiologyStructural Organisation in AnimalsMCQ+4 / −1
What external changes are visible after the last moult of a cockroach nymph ?
  1. A
    Both fore wings and hind wings develop
  2. B
    Mandibles become harder
  3. C
    Labium develops
  4. D
    Anal cerci develop
View written solutionFree

Correct answer: A

The development of cockroach is paurometabolous meaning that their development is through nymphal stage. The nymphs look very much like adults. The nymph grows by moulting about 13 times to reach adult form. The last nymphal stage has wingpads while adult cockroaches have wings.

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