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CBSE 11th Standard Biology Subject Digestion and Absorption HOT Questions 1 Marks Questions With Solution 2021

Published on: 29/05/2021

QB365 Provides the HOT Question Papers for Class 11 Biology, and also provide the detail solution for each and every HOT Questions. HOT Questions will help to get more idea about question pattern in every exams and also will help to get more marks in Exams

Download CBSE Class 11th Standard CBSE Biology question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 11th Standard CBSE Biology

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Std: 11th Standard CBSE - Biology

chapter: - HOT Questions

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Questions:

1 Marks

10 x 1 = 10

HCl and proteolysis enzymes produced by stomach do not digest its own wall. Why?

If the pancreatic duct of person is locked. How would it effect the digestion of fats in the duodenum?

State the conditions on which the transport of water depends

Name the nutrients which are absorbed by simple diffusion

If a person is fasting for a prolonged period, what will be the sequence of organic food to be digested by the body

Mention the important functioning of peristalsis movement that occurs throughout the alimentary canal.

What is the reason behind the large size of caecum (portion of large intestine) in certain herbivores?

HCI is secreted in stomach. Give the name of the cells that secrete it.

If a person is suffering from reflux oesophagitis, which part of his alimentary canal is not functioning properly.

10.

Name the mechanism by which nutrients are absorbed in alimentary canal

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Answers Key:

1 Marks

10 x 1 = 10

()
Gastric epithelium/ goblet cells secrete thick mucus and protect surface from damage.

()
If the pancreatic duct is blocked, pancreatic juice along with digestive enzyme, particularly, lipase, will not reach the duodenum and fat digestion will decrease.

()
The transport of water depends on the osmotic grandient across the intestinal(large) wall.

()
Amino acids,and Cl^- are absorbed by simple diffusion

()
The sequence of organic food to be digested by the body after a prolonged fasting will be
Carbohydrates\(\longrightarrow \)Fats\(\longrightarrow \)Proteins

()
It is due to these waves of contraction of the circular muscle that passes along the stomach and oesophagus that the food is pushed into the relaxed portion.

()
Certain herbivores possess large size caecum so that it can host large number of bacteria that aid in easy enzymatic breakdown of plant materials such as cellulose which they as a food.