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Class 11 NEET Biology Structural Organisation in Animals
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Question : 93
Total: 100
Male and female cockroaches can be distinguished externally through
(1991)
anal styles in male
anal cerci in female
anal style and antennae in females
both (b) and (c).
Validate
Solution:
(a) : In male cockroach,
9
‌
th
‌
sternum bears a pair of short, unjointed thread-like anal styles which are absent in female. Anal cerci and antennae are present in both male and female cockroaches.
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