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How many ommatidia are present in the compound eyes of the cockroach?

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in Biology – Class 11 by (272k points)
How many ommatidia are present in the compound eyes of the cockroach?

(a) 1000

(b) 2000

(c) 6000

(d) 7000

I had been asked this question in quiz.

The above asked question is from Animals in chapter Structural Organisations in Animals of Biology – Class 11

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Correct answer is (b) 2000

Easy explanation: The compound eyes of cockroaches are situated at the dorsal surface of the head. Each eye consists of about 2000 hexagonal ommatidia. With the help of several ommatidia, a cockroach can receive several images of an object.

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