AIIMS 2019 Zoology Cockroach Anatomy MCQ Question
Which is not true for cockroach?
1 pair of compound eyes
Forewings called tegmina used for flight are attached to thoracic segment
1 pair of maxilla and mandible
Has 10 abdominal segments
Correct Answer
Detailed Explanation
Option B is incorrect because the forewings of a cockroach, known as tegmina, are not primarily used for flight; instead, they serve as protective covers for the hindwings and are attached to the 2nd thoracic segment, not the 1st. Option A is true as cockroaches possess one pair of compound eyes, which provide a wide field of vision. Option C is also accurate since cockroaches have one pair each of maxillae and mandibles, which are essential for feeding. Lastly, option D is correct because cockroaches indeed have 10 abdominal segments, contributing to their flexibility and movement.
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