This part is not associated with nerve ring.
Supraoesophageal ganglion
Suboesophageal ganglion
Circum-oesophageal commisure
Abdominal ganglia
Answer in one word or one line.
How many segments are present in the abdomen of cockroach?
Mention the function of the following
Malpighian tubules
The figure given below shows the head region of cockroach. Identify $A$ to $F$.
Match correct pair (cockroach).
$\begin{array}{|p{0.3\linewidth}|l|} \hline Column-I & Column-II \\ \hline 1.\,\,Exoskeleton & p.\;Thorax \\ \hline 2.\,\,Three\,\,ganglion & q.\;Chitin \\ \hline 3.\,\,One\,\,pair\,\,of\,\,seminal\,\,vesicle & r.\;6^{th}-7^{th}\,\,segments\;\;of\;\;abdomen \\ \hline 4.\,\,Mushroom\,\,shaped & s.\;6^{th}\,\,segments \\ \hline \end{array}$
Which type of mouthparts is present on the lateral side of the pre-oral cavity in cockroach?