How many spermathecae are found in earthworm?

Answer in one word or one line.
(i) Give the common name of Periplanata americana.
(ii) How many spermathecae are found in earthworm?
(iii) What is the position of ovaries in cockroach?
(iv) How many segments ate present in the abdomen of cockroach?

(i) American cockroach (ii)4 pairs
(iii) Under the 4th, 6th abdominal terga (iv) 10 segments in adults
(v) At the junction of midgut and hindgut in cockroach.