Question

Identify the gender of cockroach basing on the following characters in the image (i) and (ii)

• A. (i) Female ventral and male dorsal (ii) Male ventral and female dorsal
• B. (i) Female dorsal and male ventral (ii) Male dorsal and female ventral
• C. (i) Male dorsal & male ventral (ii) Female dorsal & Female ventral
• D. (i) Female ventral and Female dorsal (ii) Male ventral and Male ventral

Answer 1

The correct option is C

(i) Male dorsal & male ventral (ii) Female dorsal & Female ventral

In cockroach the sexes are separate,meaning that male and female insects are separate and shows identification characters like :

(i) Male - has
1. A pair of Analstyles and a pair of Anal cercus
2. V shaped abdominal segments.
3. External genitalia called Phallomeres.

(ii) Female - has
1. A pair of Anal styles.
2. Boat shaped abdominal segments.
Hence the correct option is A.