Cockroach- Digestive system MCQs
Hello students, today’s MCQ topic is ‘Digestive system of Cockroach. The digestive system of the cockroach is like human digestive system which is divided into Alimentary canal and Salivary glands. The alimentary canal in the cockroaches is 6 to 7 cm long and the diameter can vary. The alimentary canal is consists of three parts that are Foregut, midgut, and hindgut.
We will see more information about ‘Digestive system of cockroach’ through MCQs.
MCQ.1): How many types are there in the alimentary canal of the cockroach?
a) One
b) Two
c) Three
d) Four
MCQ.2): In the digestive system of cockroach, the foregut contains mouth which is surrounded by ……………………………………………………..
a) Stomach
b) Anal cerci
c) Mouthparts
d) Hindgut
MCQ. 3): Which of the following is a true gut that contains entirely stomach or ventricles?
a) Foregut
b) Midgut
c) Hindgut
d) All of them
MCQ.4): Which of the following is a coiled structure which is consists of anterior ileum, middle colon and posterior rectum?
a) Midgut
b) Hindgut
c) Foregut
d) None of them
MCQ.5): The junction between stomach and ileum are attached to long tubules, is known as ……………………………………………………..
a) Labium
b) Labrum
c) Malpighian tubule
d) Anal tubule
MCQ.6): What is the role of maxillae in the mechanism of digestion in cockroach?
a) Chewing the food
b) Entry of food into crop
c) Acts as grinding chamber
d) Food is stored temporarily
MCQ.7): Which part in the digestive system of cockroach acts as grinding chamber for food?
a) Gizzard
b)Crop
c) Oesophagus
d) Colon
MCQ.8): In the digestive system of cockroach, how many teeth are there in gizzard?
a) Three
b)Four
c) Five
d) Six
MCQ.9): In the cockroach, salivary apparatus contains two pairs of ……………………………………………… and …………………………………………….
a) Salivary Glands
b) Salivary reservoirs
c) Both a) and b)
d) None of them
MCQ.10): The midgut of the cockroach is lined by ………………………………………………….
a) Peritrophic membrane
b) Chitin
c) Cuticle
d) Epithelium
MCQ.11): The digestive enzymes that are secreted by the gastric caecae includes …………………………………………………….
a) Amylase
b) Maltose
c) Tryptase
d) All of them
Answer
1) c) Three
2) c) Mouthparts
3) b) Midgut
4) b) Hindgut
5) c) Malpighian tubule
6) a) Chewing the food
7) a) Gizzard
8) d) Six
9) c) Both a) and b)
10) a) Peritrophic membrane
11) d) All of them
