a. The number of ovarioles in each ovary is ten.
b. The larval stage is called caterpillar
c. Anal styles are absent in females
d. They are ureotelic solution
The correct answer is D
Explaination-
A cockroaches are reptile insects and
it excrete nitrogenous compounds as waste material which says that excrete uric acid as waste material, that is why are known as Ureotelic insects.