Zoology - Structural Organisation in Animals Question with Solution | TestHub
Following are some features of cockroach:
I. Number of ovarioles in a female cockroach (Ov)
II. The average number of oothecae produced by a female cockroach (Ot)
III. The number of times a nymph of cockroach undergoes moulting (M)
IV. The number of gastric caecae present in cockroach (G)
The correct arrangement of these in their increasing order is
Options:
Answer:
Solution:
I. Number of ovarioles in a female cockroach (Ov) is 16 (8 ovarioles in one ovary and cockroach has 2 ovaries)
II. The average number of oothecae produced by a female cockroach (Ot) is 9 -10
III. The number of times a nymph of cockroach undergoes moulting (M) is 13 times
IV. The number of gastric caecae present in cockroach (G) is 6-8 which lies between the junction of foregut and hindgut
