Embibe Experts Solutions for Chapter: Structural Organization in Animals, Exercise 1: TS EAMCET 2020 (28-Sep Shift-1)

Alveoli are lined by

Pick up the mismatched pair from the following:

Which of the following abdominal segment of cockroach is without a nerve ganglion?

Stomodeal valve is formed from:

Study the following and pick up the correct statements.
I) Contraction of dorsoventral muscles depress the wings in cockroaches.
II) Stomodeal valve lies between the gizzard and mesenteron in the cockroach.
III) In cockroaches, the spiracles are holopneustic type.
IV) Opening and closing of spiracles is influenced by ${\mathrm{O}}_2$ tension in haemolymph and ${\mathrm{CO}}_2$ tension in the tracheae

Observe the above diagram of female reproductive system of cockroach and identify $\mathrm{A},$ $\mathrm{B},\mathrm{C}$ and $\mathrm{D}$

In corpora adiposa of cockroach, function of oenocytes is to

Number of rectal papillae present in cockroach