6. Which one of the following statements is true for cockroaches?
a. Anal styles are not present in females
b. Cockroaches are ureotelic
c. Their larval stage is known as caterpillar
d. The total number of ovarioles in a single ovary is ten
Answer- The answer is (a) anal styles are not present in females
Explanation: - Anal systems in female cockroaches are not present. However, the other three options are false since there is a total of 8 ovarioles in every ovary, the larval stage is not present, and cockroaches are uricotelic.