Refer the given figure of female reproductive system of cockroach and identify the correct labels (marked as $1,2,3$ and 4) which are collectively called genital pouch.
Explain nervous system of cockroach.
Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth
Which is correct sequence for ootheca formation?
$(1)$ Ova enter into genital chamber
$(2)$ Cover around a fertilized eggs.
$(3)$ Ovum fertile by sperms.
Draw a neat and well labelled diagram of male reproductive system of a frog.