Match correct pair (cockroach).
$\begin{array}{|p{0.3\linewidth}|l|} \hline Column-I & Column-II \\ \hline 1.\,\,Exoskeleton & p.\;Thorax \\ \hline 2.\,\,Three\,\,ganglion & q.\;Chitin \\ \hline 3.\,\,One\,\,pair\,\,of\,\,seminal\,\,vesicle & r.\;6^{th}-7^{th}\,\,segments\;\;of\;\;abdomen \\ \hline 4.\,\,Mushroom\,\,shaped & s.\;6^{th}\,\,segments \\ \hline \end{array}$
$(1-p),(2-q),(3-r),(4-s) $
$(1-q),(2-p),(3-s),(4-r) $
$(1-q), (2-s),(3-p),(4-r)$
$(1-p),(2-r),(3-q),(4-s)$
Give the location of hepatic caeca in a cockroach. What is their function ?
Consider the following statements regarding cockroach and mark the correct option.
$(i)$ Head is formed by the fusion of $6$ -segments.
$(ii)$ Mouth parts are biting and chewing type.
$(iii)$ Crop is the part of mid gut.
Body cavity also known as ........ in cockroach.
It does not take part in excretion in cockroach
Give names of female and male organs located in abdomen of cockroach.