Human Nutrition Test (21/02/2026)

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 14. Human Nutrition 

Total Marks: 50      Time: 2 Hours

                     SECTION A 

Q.1 Multiple Choice Questions.           (5 Marks)

1. Acinar cells are present in:
a) Liver
b) Pancreas
c) Gastric glands
d) Intestinal glands

2. Which type of teeth are maximum in number in human buccal cavity?
a) Incisors
b) Canines
c) Premolars
d) Molars

3. Select the odd one out based on digestive function of tongue:
a) Taste
b) Swallowing
c) Talking
d) Mixing saliva in food

4. Complete the analogy:
Ptyalin : Amylase :: Pepsin : ______
a) Lipase
b) Galactose
c) Proenzyme
d) Protease

5. Which enzyme works best in acidic medium?
a) Salivary amylase
b) Trypsin
c) Pepsin
d) Nucleotidase

                      SECTION B 

Q.2 Short Answer Questions (Any 3)       (15 Marks)

1. For the school athletic meet, Shiv was advised to consume Glucon-D or fruit juice but not sugarcane juice. Why?

2. Alcoholic people may suffer from liver disorder. Do you agree? Explain.

3. Digestive action of pepsin stops when food reaches small intestine. Justify.

4. Small intestine is very long and coiled. Why does it not get twisted normally? What can happen if it gets twisted?

5. Write short notes on:
a) Position and function of salivary glands
b) Heterocrine nature of pancreas

                     SECTION C 

Q.3 Long Answer Questions.              (20 Marks)

1. Explain how digestive enzymes are secreted at appropriate time in our body.

2. Explain the structure of tooth. Why is human dentition considered thecodont, diphyodont and heterodont?

3. Observe the histological structure of stomach. Identify the layer marked by arrow and explain its significance.


4. Find out pH maxima for salivary amylase, trypsin, nucleotidase and pepsin. Place them correctly on pH scale and explain why they differ.

                         SECTION D 

 Q.4 Diagram Based Question (10 Marks)

1. Observe the digestive system diagram and:


a) Label A, B, C, D and E. (5 Marks)
b) Write the functions of A and C in detail. (5 Marks)

******** END OF QUESTION PAPER ********

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