Answer in one word:
(a) Write the common name of Periplanata americana.
(b) What is the position of ovaries in cockroach?
© How many segments are present in the abdomen of cockroach ?
(d) Where do you find malphigian tubules ?
(b) Ovaries are present in 4th, 5th and 6th sgement in cockroach.
© 10 segments.
(d) They are present at the junction of midgut and hindgut and helps in excretion