Which of the following happens in the common cockroach?
Malpighian tubules are excretory organs projecting out from the colon.
Oxygen is transported by haemoglobin in blood.
Nitrogenous excretory product is urea.
The food is ground by mandibles and gizzard.
In cockroach, male genital open into.....
Arthrodial membrane is present in..
Mention the function of the following
Malpighian tubules
In female ......... and ....... sterna forms a genital pouch
Which is not true for cockroach?