Free Digestion MCQs with Answers

• A. Diarrhea
• B. Pneumonia
• C. HIV
• D. none of these all are affected by nutrition

Explanation: HIV - eating specific foods can trigger diarrhoea. And Pneumonia can be caused by poor nutrition. Whereas, only a virus causes HIV.

• A. Taking in of food
• B. Utilization of food elements
• C. Growth, repair, and maintenance
• D. All of the above options are correct

Explanation: Nutrition is the process of taking in food and converting it into energy and other vital nutrients required for life.

• A. chlorophyll
• B. magnesium
• C. nitrogen
• D. all of above

Explanation: Chlorosis is a condition of loss of the normal green coloration of leaves of plants due to insufficient chlorophyll for photosynthesis.

• A. Hepatic caeca
• B. rectum
• C. stomach
• D. gizzard

Explanation: Midgut is also known as the stomach in a cockroach.

• A. Stomach
• B. Pancreas
• C. Small intestine
• D. Large intestine

Explanation: In the small intestine, pancreatic zymogen activation begins with the conversion of trypsinogen to trypsin by the intestinal brush-border…

• A. The alimentary canal is formed from the endodermal cells
• B. The alimentary canal has a single opening
• C. The alimentary canal is saclike
• D. All of the above

Explanation: In simple invertebrates, such as hydras and flatworms, the digestive system is a sac with a single opening.

• A. Glucose
• B. Maltose
• C. Sucrose
• D. Lactose

Explanation: The enzyme salivary amylase breaks starch into smaller polysaccharides and the then maltose.

• A. 4
• B. 3
• C. 6
• D. 2

Explanation: Humans have three paired major salivary glands (parotid, submandibular, and sublingual) which are 6 in total.

• A. Colon
• B. Appendix
• C. Caecum
• D. Rectum

Explanation: The large intestine has four parts: cecum, colon, rectum, and anal canal.

• A. Lentibulariaceae
• B. Darlingtonia
• C. Pinguicula
• D. Drosera

Explanation: A pitfall trap is a trapping pit for small animals, such as insects, amphibians, and reptiles.

• A. Right gastric artery
• B. Left gastroepiploic artery
• C. Right gastroepiploic artery
• D. Left gastric artery

Explanation: The left gastric artery supplies the upper part of the fundus of the stomach and distal esophagus.

• A. Lice and flea
• B. Ticks and mites
• C. Aphid
• D. Entamoeba

Explanation: Fleas and lice are ectoparasites live in the fur and feathers of mammals and birds.

• A. Phosphorus
• B. Potassium
• C. Calcium
• D. Nitrogen

Explanation: The pitcher plant (Nepenthes pupurea), Venus flytrap (Dionaea muscipula) and Sundew (Drosera intermedia) are carnivorous or insectivorous…

• A. Diarrhea
• B. Constipation
• C. Vomiting
• D. All of these

Explanation: Slow rate of peristalsis causes constipation.Constipation is a condition in which bowel movements are infrequent, hard, or difficult to…

• A. Pepsin
• B. Pepsinogen
• C. Trypsin
• D. Trypsinogen

Explanation: A zymogen, also known as a proenzyme, is a protein that shows no catalytic activity but is converted into an active enzyme by a…

• A. Colon
• B. Rectum
• C. Appendix
• D. Caecum

Explanation: The largest portion of the large intestine is the colon. It has four parts; ascending colon, transverse colon, descending colon and…

• A. Cholecystokinin
• B. Biliverdin
• C. Mucus
• D. Secretin

Explanation: Mucus is secreted by duodenal glands and goblet cells. The intestinal mucosa secretes cholecystokinin and secretin hormones.

• A. Parietal
• B. Zymogen
• C. Chief
• D. None of these

Explanation: The pH of the stomach is lowered by the production of HCl, which is brought about by parietal cells.

• A. Fiber
• B. Starch
• C. Vitamins
• D. Minerals

Explanation: Fiber is a type of carbohydrate that the body can't digest. Though most carbohydrates are broken down into sugar molecules, fiber cannot…

• A. Pancreatic juice
• B. None of these
• C. Gastric juice
• D. Intestinal juice

Explanation: Secretin stimulates the production of pancreatic juice.