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Class 11 NEET Biology Structural Organisation in Animals
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Question : 40
Total: 99
What external changes are visible after the last moult of a cockroach nymph?
(KN NEET 2013)
Both forewings and hindwings develop
Labium develops
Mandibles become harder
Anal cerci develop
Validate
Solution:
(a) : Cockroach undergoes paurometabolous development. The nymph moults about 6-7 times to reach the adult form. The next to last nymphal stage has wing pads but only adult cockroaches have wings.
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