StudentAidUnit 1: Unit 1: Human Digestive System — Mcqs
10th Class Biology · Unit 1: Human Digestive System
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1.The three portions of the small intestine in the correct order are:
2.The wavelike movement of muscles that pushes food through the digestive system is called:
3.The part of the digestive system where no digestion takes place is:
4.Which group of enzymes breaks up starches and other carbohydrates?
5.The pancreas produces digestive enzymes and releases them into:
6.In stomach, pepsinogen is converted into pepsin by the action of:
7.In which part are the carbohydrates, lipids and proteins digested?
8.The enzyme trypsin is found in:
9.The common bile duct carries bile from gall bladder to:
10.Why the small intestine has many folds and contains villi and microvilli?
11.Using the absorbed nutrients in cells and tissues is called:
12.Heterotrophic Nutrition takes place in:
13.The food we eat consists of:
14.Caecum, colon and rectum are the parts of:
15.Faeces are temporarily stored in:
16.The length of duodenum is:
17.Length of Jejunum is.
18.Cardiac sphincter is found between:
19.In an adult, the length of oesophagus usually:
20.Villi located in:
21.Digestion of carbohydrates starts in:
22.Pancreas gives its exocrine secretions in:
23.Saliva consists of:
24.Saliva is alkaline and contains an enzyme:
25.The amylase acts on:
26.The function of the pepsin is to convert the protein into:
27.In stomach pepsinogen is converted into:
28.The diagram shows a section through a villus of small intestine. Which labelled part can have maximum lipids?
29.The secretion of liver is:
30.The walls of villus are only:
31.Ulcers occur in:
32.When large intestine fails to absorb water from the undigested part of the food, it results in:
33.Burning, stomach pain, rush of saliva after regurgitation, loss of appetite, weight loss and blood vomiting (in reverse cases) are symptoms of:
34.Eating a high-fibre diet and drinking plenty of fluids help in preventing:
35.In which of the following condition hard stool is observed by the patient?