In cockroach, ootheca coveres...

Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth

Select the correct statement regarding Periplanata americana

Complete the following statement :

$(a)$ In cockroach grinding of food particle is performed by ........ .

$(b)$ Malpighian tubules help in removal of ........ .

$(c)$ Hind gut of cockroach is differentiated into ........ .

$(d)$ In cockroach blood vessels open into spaces called ........ .

In both sexes of cockroach, a pair of jointed filamentous structures called anal cerci are present on

Which of the following statement(s) is/are correct regarding excretory system of cockroach?

$(i)$ Excretion is performed by malphigian tubules.

$(ii)$ They absorb nitrogenous waste products and convert them into uric acid which is excreted out through hindgut.

$(iii)$ In addition, fat body, nephrocytes and urecose glands also help in excretion.