Which of the following part of foregut helps to store the food?
The Foregut of the alimentary canal has crops and gizzard. Crop is used for food storage. Gizzard helps in grinding of food particles.
How does a cockroach digest food?
Food is ingested in the mouth and is passed on and acted upon by a series of digestive enzymes. The soluble products of digestion are absorbed. Undigested material is expelled through the anus without interference with food intake.
What is the organ for nutrition in cockroach?
At the base of the esophagus, food is temporarily located in the crop. After entering the stomach of the cockroach, food is broken down by enzymes present within the gastric caecea and in the middle of the intestines is the mid-gut, which is responsible for nutrient absorption.
Why is cockroach important in day to day life?
Cockroaches are very important in humans day to day life because cockroaches are professional recyclers. Cockroaches contain protozoa bacteria in their digestive systems. This will help to convert the waste into easily absorbed nutrients. This is the main task for cockroaches in day to day life.
What is the function of midgut in cockroach?
Inside the gizzard, six chitinous cuticular teeth are present which help in pulverizing the food. Midgut is the main site of digestion and assimilation. Hindgut is differentiated into a narrow ileum, wider colon and sac like rectum.
Which part of cockroach is free of cuticle?
Procuticle is the main chitinous layer of the cuticle. In cockroaches, the cuticle is present in both the anterior and posterior regions of the alimentary canal. Hence, the correct option is (D) Both in the anterior and posterior part.
Do cockroaches have a complete digestive system?
Hint: The digestive system of cockroach consists of two parts i.e., alimentary canal and associated glands. Complete Answer: The alimentary canal of cockroach is divided into three regions: foregut, midgut, and hindgut. …
How many stomachs does a cockroach have?
They have large compound eyes, two ocelli, and long, flexible antennae. The mouthparts are on the underside of the head and include generalized chewing mandibles, salivary glands and various touch and taste receptors. The body is divided into a thorax of three segments and a ten-segmented abdomen.
How long does it take for cockroaches to digest food?
Average egestion time for the entire population of 100 roaches is 20.6 ±6.2 hours, with a range from 9.1 to 33.4 hours.