CHAPTER PRACTICE PROBLEM

Chapter Practice Problems

FIITJEE CHENNAI CENTRE

Subject: Biology

Topic Nutrition in Animals

TIME/MM : 60 MIN

Chapter Practice Problems

1. All of the following occur with the condition known as diabetes except

(a) reduced rates of glucose uptake by cells(b) Increased blood levels of glucose

(c) presence of glucose in the urine(d) high blood levels of insulin2. Which does not represent a finction of HCl in starch?

(a) HCl acts as a barrier to pathogers present in the food

(b) HCl activates digestive enzymes like pepsin

(c) HCl disrupts the tertiary & secondary structure of proteins, enhancing their enzymatic degradation

(d) HCl cleaves peptide bonds

3. Predict the relative acidities of the following 3 compartments about the role of particle cells in HCl production in stomach

(a) stomach lumen

(b) blood supply arriving to the stomach

(c) Blood supply leaving the stomach

(a)

(b)

(c)

(d)

4. Which concerning the production of acid by the stomach is not correct?

(a) ions move into lumen of the stomach through channels located in the particle cells

(b) The enzyme carbonic antydrase located in the partical cells catalyses the formation of carbonic acid from

(c)Carbonic acid is actively secreted by the partical cells into luner of the stomach

(d) protons are actually pumped into lumer of the stomach by the partical cells.

5. Which represents electrolytes

(a) Niacin & folate

(b) glucose & fructose

(c)

(d) Valine & glycine

6. _________ is an associated digestive gland

(a) salivary glands

(b) mucous glands

(c) gastric glands

(d) glands of leiberkuhn

7. The glands of leiberkuhn is present in the _________

(a) Duodenum(b) small intestine(c) stomach(d) liver

8. The glands which lie one on each side in front of and below the ear are the _______

(a) Maxillary glands(b) sub-maxillary glands(c) Parotid glands(d) sub-lingual glands

9. The nitrifying bacteria convert

(a) Ammonia to nitrite

(b) urea to nitrate

(c) both a & b

(d) none of the above

10. The term Holozoic refers to

(a) plant like nutrition that synthesizes food(b) Animal-like nutrition-that ingests food

(c) Both a and b

(d) none of the above11. Alimentary caral is otherwise known as

(a) Accessory organs

(b) Gastuointestinal tract

(c) A continuous tube

(d) Frenulum

12. The buccal cavity is comprised of cheeks, hard & soft palates and _________

(a) tongue(b) teeth(c) Epiglottis(d) glottis

13. The structure separating the buccal cavity & nasal cavity is the _____

(a) glottis(b) Epiglottis(c) Palate(d) pharynx

14. In human beings ________ pairs of salivary glands are present.

(a) 2 (b) 3(c) 4(d) 1

15. The gland present beneath the tongue is

(a) Submaxillary (b) Zygmatic (c) Infra orbital(d) Sub-lingual

16. The smallest salivary gland is

(a) Infraorbital(b) submaxcillay(c) sub-lingual (d) parotid17. The largest salivary gland is

(a) parotid (b) submaxillary(c) sub-lingual(d) Zygmatic

18. The sub-maxillary glands are otherwise known as

(a) sub-mandibular

(b) Infraorbital

(c) Zygmatic

(d) none of the above

19. The element that louders the tooth eramel is

(a) Fluorine(b) chloride (c) NaCl(d) Carbon

20. Dental caries involves

(a) gradual dimineralization of enamel & dentin

(b) Inflammation of the periodontal ligament

(c) Replacement of teeth an indefinite number of times

(d) none of the above

21. The wall of stomach has _________ no. of . coats/layers/lining

(a) 4

(b) 3

(c) 2

(d) only one coat of lining

22. The _______ region of the S.I is found empty after death

(a) ileum

(b) Duodenum

(c) Jejunum

(d) the starting part of the large intestine the colon

23. The _______ of small intestine increases the area of the digestive & absorptive surface of small intestine

(a) rugae

(b) valolae connivertes

(c) peyers patches

(d) nodules

24. The succus entericus is secreted by the

(a) Glands of Leiberkuhn

(b) Brunners glands

(c) Solitary glands

(d) glands of small intestine25. Peyers patches are found in the

(a) Jejunum

(b) ileum

(c) Quoderum

(d) none of the above

26. The excess glucose present in body enters the

(a) pancreas(b) liver(c) Adipose tissue(d) Both b & c

27. Urea is formed in the

(a) Kidney

(b) liver

(c) Gall bladder

(d) none of the above

28. The food entering the oesophagus from pharynx is prevented from entering the nasal passages by a bridge formed by:

(a) Larynx(b) glottis(c) Epiglottis(d) pharynx itself29. The gastric juice contains

(a) 99% & 1% other substances

(b) 99% of dissolved substances & 1% of

(c) 50% of dissolved substances & 50% of

(d) 92% of lipase & 8% of water

30. The phase in which the gastric juice begins to be secreted as the food is chewed in the mouth & even before it teaches the stomach is called

(a) Gastric phase

(b) psychic phase

(c) Refractory phase

(d) none of the above

31. The gastric phase is initiated by a hormone called

(a) gastrin

(b) insulin

(c) gastricin(d) none of the above

32. Peristalltic movement in stomach is more powerful in the _________ region

(a) cardiac orifice

(b) middle portion of stomach

(c) pyloric region

(d) duoderal region

33. The pancreatic juice is

(a) highly acidic (b) moderately acidic(c) alkaline(d) neutral

34. The bile is formed in the cells of the

(a) Reticulo-endothelial system(b) gall bladder

(c) Liver cells

(d) epidermal cells35. The digestive enzymes present in bile are:

(a) Secretin

(b) no digestive enzymes (c) lipase

(d) resin

36. The digestion of starch that had been arrested in the stomach by HCl is resumed by:

(a) Amylase of pancreatic juice (b) Amylase of intestinal juice

(c) Maltase of intestinal juice(d) Lactase of intestinal juice

37. Anti-peristalis occurs in the

(a) Stomach(b) Oesophagus(c) Large intestine(d) Duodenum38. The chief function of large intestine is

(a) absorption of water

(b) digestion of undigested food material

(c) Demineralisation

(d) none of the above

STATE TRUE or FALSE:39. Pharynx is an accessory organ

40. The process of assimilation is found in amoeba

41. Molar teeth are also called as wisdom teeth

42. The pylorus is the upper portion of the stomach

43. All enzymes are proteins but all proteins are not enzymes.

44. pepsin is inactive in alkaline medium but active in acidic medium45. Lipase of gastric juice is weak

46. Lipase splits up emulsified fats into glycerol & fatty acids

Answer in short47. Define deglutition48. Name the coats of the stomach

49. Define Rugae

50. Name all the glands associated with digestion

51. Name all the accessory glands?

52. Difference between Rennin & Renin?

53. Write short notes on Mucin

54. Write short notes on movement of stomach

55. Short notes on functions of bile

56. Notes on defaecation

Answer in brief

57. Notes on small intestine, its role in digestion

58. Functions of liver

59. Functions of saliva

60. Changes in food on entering the mouth till it reaches the stomach

61. Digestion in stomach

62. Digestion in small intestine

63. Absorption of food

64. What is alimentary canal? Describe the process of digestion

FIITJEE CHENNAI CENTRE. 175 Poonamallee High Road. Opp. Ega Theatre, Kilpauk. Chennai-10 PH. 044 - 42859701

FIITJEE CHENNAI CENTRE. 175 Poonamallee High Road. Opp. Ega Theatre, Kilpauk. Chennai-10 Ph. 044 - 42859701

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