Assertion: In cockroach the sense organs are antennae, eyes, maxillary palps, labial palps and anal cerci
Reason: In cockroach, compound eyes consists of about 2000 hexagonal ommatidia.

Read the following and select the only true statement about cockroach. A . Each Malpighian tubule is lined by glandular and ciliated cells. B. A characteristic mushroom gland is present in the female cockroach in the 6th - 7th abdominal statements . C. Both compound eye consists of about 2000 hexagonal ommatidia. D. The development of P. americana is paurometabolous through the nymphal stage.

Number of ommatidia in each compound eye of cockroach

Visual units of compound eyes of cockroach are taenidia/ommatidia.

How many hexagonal ommatidia are present in each compound eye of cockroach?

How many hexagonal ommatidia are present in each compound eye of cockroach?

I. In cockroach, each testies extend from 4^(th) to 6^(th) _______ segment. II. Each compound eye in cockroach consists of about_________ hexagonal ommatidia. Select the correct option.

I. In cockroach, each testes extend from 4^(th) to 6^(th) _______ segment. II. Each compound eye in cockroach consists of about_________ hexagonal ommatidia. Select the correct option.

Single component of the compound eyes of a cockroach is a hexagonal unit termed as……….. .