NEET2019ZoologyStructural Organisation in AnimalsActual
Which of the following statements is incorrect?
Options
- ACockroaches exhibit mosaic vision with less sensitivity and more resolution
- BA mushroom-shaped gland is present in the 6-7th abdominal segments of male cockroach
- CA pair of spermatheca is present in the 6th segment of female cockroach
- DFemale cockroach possesses sixteen ovarioles in the ovaries
Correct answer
A. Cockroaches exhibit mosaic vision with less sensitivity and more resolution
Step-by-step solution
Statement (a) is incorrect because cockroach vision is very sensitive but provides less resolution. Such vision is called mosaic vision. It has compound eye and each eye contains about 2000 ommatidia.