Alimentary Canal of Cockroach

Q. Cockroach has a stomodeal valve between

1. crop and gizzard
2. gizzard and mesentron
3. mesenteron and ileum
4. ileum and colon

Q.

The digestive system of a cockroach is associated with symbiotic _____ $\&$ _____.

1. Bacteria $\&$ Protozoa

2. Bacteria $\&$ Mites

3. Protozoa $\&$ Fungi

4. Fungi $\&$ Virus

Q. Which among the following is divided into ileum, colon and rectum?

1. Midgut
2. Hindgut
3. Foregut
4. Mesentron

Q. Which statement is wrong with respect to the bacteria present in the gut of ruminants?

1. They are anaerobes.
2. They produce methane gas.
3. They are autotrophic.
4. They help in cellulose digestion.

Q. Which among the following is divided into ileum, colon and rectum?

1. Midgut
2. Hindgut
3. Foregut
4. Mesentron

Q. Match the following columns with reference to cockroach and select the correct option:

Column - I	Column - II
(a) Grinding of the food particles	(i) Hepatic caeca
(b) Secrete gastric juice	(ii) ${10}^{th}$ segment
(c) 10 pairs	(iii) Proventriculus
(d) Anal cerci	(iv) Spiracles
	(v) Alary muscles

1. $\left(a\right)-\left(iv\right),\left(b\right)-\left(iii\right),\left(c\right)-\left(v\right),\left(d\right)-\left(ii\right)$
2. $\left(a\right)-\left(iii\right),\left(b\right)-\left(i\right),\left(c\right)-\left(iv\right),\left(d\right)-\left(ii\right)$
3. $\left(a\right)-\left(ii\right),\left(b\right)-\left(iii\right),\left(c\right)-\left(i\right),\left(d\right)-\left(iv\right)$
4. $\left(a\right)-\left(i\right),\left(b\right)-\left(iv\right),\left(c\right)-\left(iii\right),\left(d\right)-\left(ii\right)$