What is nymph?

What is hypothesis? What are variables?

What is cryptorchism? What is the solution for this?

What is funicle? What is hilum?

How many items moulting occur in Periplanata americana so that nymph grows to reach adult form?

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

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

What is magnetism and what is magnet ?

What is reproduction? What are the types in it?