Class 11 Important Questions for Biology - Human Nutrition

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INFOMATICA ACADEMY

Human Nutrition â?– EXERCISE 1. What is digestion ? Explain the process of digestion in the mouth cavity and stomach. Add a note on Peristalsis. 2. Describe the structure and functions of the various parts of the alimentary canal. OR Describe alimentary canal of man with the help of a neat labelled diagram. 3. Describe in detail the process of the digestion in the small intestine. 4. Write short notes a) Salivary glands b) Islets of Langerhans c) Digestion in the month d) Small intestine e) Bile

OR

Describe various types of glands associated with digestive system. Also mention functions of these glands.

OR

Name various types of digestive gland and mention their functions. 5. Sketch and label - Human Digestive system 6. State the functions of the following: a) Bile

b) HCl

c) Saliva

d) Teeth

e) Tongue

f) Insulin

g) Pepsin

h) Rectum

7. Differentiate betweena) Salivary glands and gastric glands. b) Small intestine and large intestine 8. Give the common symptoms of Kwashiorkar 9. Whirl is meant by dentition ? 10. Define the following terms i) Constipation

iii) Assimilation

ii) Digestion

iv) Indigestion

Enlist and explain various steps involved in nutrition.

OR OR

What is assimilation? 11. Enlist the hormones of gastro-intestinal tract.

OR

Mention the gastrointestinal hormones and their effects. 12. Which processes are responsible for providing energy to human? 13. Define nutrition. 14. Name the three parts of small intestine in man.

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Human Nutrition


INFOMATICA ACADEMY

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15. Name the vestigial organ in the alimentary canal of man. 16. How many total teeth are present in human buccal cavity? 17. In which part of the alimentary canal of man, there is no peristaltic movement? 18. Name the different parts of small intestine. 19. Name two types of intestinal glands of man. 20. Write a short note on small intestine. 21. Explain the the terms thecodont and diphyodont. 22. What do you mean by heterodont condition? 23. Describe in brief the various types of teeth in human. Add a note on dental formula of man.

OR

Name the different types of teeth and their number in an adult human.

OR

Give dental formula of human beings. 24. Name the salivary glands found in man. 25. Name the digestive glands. 26. Name the bile pigments found in the bile. 27. Draw well labeled diagram of T.S. of intestine. 28. What is peristalsis? How does it help in digestion? 29. What is responsible for vomiting? 30. Explain the process of digestion of food in the stomach of man.

OR

31. Describe the process of digestion of protein in stomach. 32. What are gastrointestinal hormone? 33. Bile juice contains no digestive enzymes, yet it is important for digestion. Why? 34. How are polysaccharides and disaccharides digested? 35. What would happen if HC1 is not secreted in the stomach? 36. Explain the process of absorption of food. 37. What is egestion? 38. Explain calorific value. 39. What are deficiency diseases? 40. What is Kwashiorkar? 41. What are the causes of the disease Kwashiorkar? 42. What is marasmus? Enlist the causes and symptoms of marasmus. 43. Distinguish between Kwashiorkar and Marasmus. 44. Enlist the causes and treatment of indigestion. 45. Enlist the causes and treatment of constipation. 46. Write a short note on jaundice. 47. Write a short note on vomiting . 48. What are the causes and effects of diarrhoea?

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Human Nutrition


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INFOMATICA ACADEMY ❖ MULTIPLE CHOICE QUESTION 1. What is the human dental formula? (A) I - 2/2, C - 1/1, PM - 2/2, M - 3/3

(C) I -1/1, C - 3/3, PM - 2/2, M - 1/1

(B) I - 3/3, C - 2/2, PM - 1/1, M - 3/3

(D) I - 2/2, C - 2/2, PM - 2/2, M - 3/3

2. How many canine teeth are there in a normal human adult? (A)

2

(B) 3

(C) 4

(D) 1 or 2

3. Find the odd one. (A) Parotid

(C) Sub - maxillary

(B) Sub – lingual

(D) Acinar

4. Many projections on the inner wall of small intestine function to (A) secrete digestive enzymes (B) increase surface area of absorption (C) hold products of digestion so they do not enter the large intestine (D) hold mucus so ulcers do not form 5. The largest gland of the human body is ……….. (A) pancreas

(B) liver

(C) salivary glands

(D) thyroid

6. Mam function of rectum is (A) absorption of water from the undigested matters (B) digestion and absorption of fats (C) elimination of undigested matters (D) both (A) and (C) 7. The common passage of air and food is called (A) pharynx

(B) larynx

(C) oesophagus

(D) trachea

(C) palate

(D) maxilla

(C) 2 metres.

(D)more than 30 metres.

8. The roof of buccal cavity is called (A) lingua

(B) tongue

9. The length of small intestine is (A) 15 metres

(B) 8 metres

10. Vestigial organ of human body is ……… (A) caecum

(B) ileum

(C) appendix

(D) rectum

11. The name of salivary glands present in front of ear is (A) parotid

(C) sub lingual

(B) sub maxillary

(D) parietal

12. ___________ is an undigestible fibrous carbohydrate. (A) Cellulose

(B) Glucose

(C) Maltose

(D) Lactose

13. Normal value of serum bilirubin in a healthy person is (A) 1-1313

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mol/I

(C) 6-12

mol/I.

Human Nutrition


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INFOMATICA ACADEMY (B) 2-132

mol/I.

(D) 3 to 13

mol/I.

14. Salivary amylase brings about the digestion of ………. (A) proteins

(B) fats

(C) carbohydrates

(D) vitamins

15. Emulsification of fats of done by (A) saliva

(B) gastric juice (C) bile

(D) intestinal juice

16. End product of fat digestion is (A) fatty acids

(C) fatty acids & glycerol

(B) glycerol

(D) none of these

17. Acidic medium of chyme is made alkaline by (A) succus entericus (B) pancreatic juice

(C) bile

(D) all of these

18. The enzyme in saliva that digests starch is (A) pepsin

(B) amylase

(C) rennin

(D)maltase

19. Secretions of pancreas help to digest (A) proteins

(B) fats

(C) carbohydrates

(D) all of these

20. Glucose is stored in the form of glycogen in …….. (A) stomach

(B) intestine

(C) liver

(D) pancreas

(C) ptyalin

(D) bile

21. Gastric juice contains ……… (A) H2S04

(B) HC1

22. Gastric juice contains……. (A) pepsin, lipase and rennin

(C) trypsin, pepsin and lipase.

(B) trypsin, lipase and rennin

(D) trypsin, pepsin and rennin.

23. Reabsorption of water takes place in the (A) stomach

(C) small intestine

(B) large intestine

(D) oesophagus

24. Digestion in the small intestine occurs in ……….. (A) acidic medium

(C) neutral

(B) alkaline medium

(D) isotonic solution

25. Succus entericus is the name given to (A) a junction between ileum and large intestine. (B) intestinal juice. (C) swelling in the gut (D) appendix. 26. Pancreatic secretion is controlled by (A) secretin

(B) cholecystokinin

(C) enterokinase

(D) enterogasterone

27. One gram of fat produces (A) 4.1 k.cal/g of chemical energy

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(C) 7.0 k.cal/g of chemical energy Human Nutrition


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INFOMATICA ACADEMY (B) 9.45 k.cal/g of chemical energy

(D) 5.0 k.cal/g of chemical energy

28. Protein deficiency in children causes (A) kwashiorkor

(B) gigantism

(C) dwarfism

(D) marasmus

29. Vomiting is caused due to (A) Peristalsis

(C) reverse spasmodic peristalsis

(B) reverse epistasis

(D) osmosis

30. Among the following which is a symptom of constipation? (A) Loose motion

(C) Vomiting

(B) Difficulty in defecation

(D) Yellowing of eyes

31. Jaundice is caused due to (A) abnormal bilirubin metabolism

(C) abnormal biliverdin metabolism

(B) abnormal carbohydrate metabolism

(D) abnormal protein metabolism

â?– ANSWER TO MULTIPLE CHOICE QUESTIONS 1.(A)

2.(C) 9.(B) 16.(C) 30.

F.Y.J.C.

4.(B)

5.(B)

6.(D)

7.(A) 8.(C)

10.(C)

11.(A)

12.(A)

13.(D)

14. (C) 15.(C)

18.(B)

19.(D)

20.(C)

21. (B) 22.(A)

25.(B)

26.(A)

27.(B)

28.(A)

17.(D)

23.(B) 29.(C)

3.(D)

24.(B) (B)

31.(A)

Human Nutrition


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