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Q.
With reference to the external features of Cockroach, which among the following statements is not correct
COMEDKCOMEDK 2011Structural Organisation in Animals
Solution:
Metathoracic or hindwings are thin, membranous, transparent, broad, delicate and are used in flight. They are kept folded like a fan under the tegmina, when at rest. Movements are due to special muscles attached to wing bases which work at a very high speed.