Answer in one word or one line.

(i) Give the common name of Periplanata americana.   

Answer in one word or one line.    

(ii) How many spermathecae are found in earthworm?         

Answer in one word or one line. 

(iii) What is the position of ovaries in cockroach?

Answer in one word or one line.            

(iv) How many segments are present in the abdomen of cockroach?