Tuesday, December 17, 2013

CSIR-UGC LIFE SCIENCE- PRACTICE MCQ



1.  The length of alimentary canal in man is about
     (a) 6 feet                           (b) 8-9 feet                            (c) 22 feet                              (d) 29 feet                        (e) 35 feet

2.  Coprophagy occurs in
    (a) Cockroach                   (b) Rabbit                              (c) Rat                                    (d) Man                            (e) Frog

3.  Brunner’s glands are found in which of the following layer of alimentary canal
    (a) Mucosa                        (b) Sub Mucosa                    (c) Serosa                               (d) Muscular layer         (e) Lamina Propria

4.  Complex alimentary canal developed in higher invertebrates and vertebrates for
    (a) Digestion of adequate food                                    (b) Extra cellular digestion                  (c) Secretary digestive juices
    (d) Easy absorption of nutrients                                  (e) Mechanical digestion

5.  Which of the following teeth is well developed in predatory mammals?
    (a) Incisors                        (b) Canines                           (c) Pre- molars                      (d) Molars

6.  Gall bladder absent in
    (a) Camel                           (b) Deer                                  (c) Cow                                  (d) Horse                          (e) Dog

7. The movement of faces through large intestine and voiding through anus by the contraction of muscles in the wall of
   (a) Caecum                         (b) Colon                           (c) Rectum                              (d) Vermiform appendix
   (e) Sacculus rotundus

8. Cellulose digestion in herbivores occurs in
    (a)Caecum and appendix                                           (b) Rectum and colon       (c) Ileum and Jejunam
    (d) Caecum and colon                                                (e) Rectum and anus

9.  Carbohydrases are absent in
    (a) Saliva                           (b) Gastric juice             (c) Intestinal juice                  (d) Bile juice                  (e) Gastric juice

10. Typsin hydrolysis
     (a) Basic proteins         (b) Acidic proteins          (c) Neutral proteins                 (d) all proteins

11. The principal action of enteropeptidase is
     (a) To activate trypsinogen to trypsin                  (b) To activate chymtrypsinogen to chymotrypsin
     (c) To activate amino and dipeptidases              (d) To activate pepsinogen to pepsin      .
     (e) To activate prorennin to rennin

12. Facilitated diffusion possible with the help of
     (a) Concentration         (b) Energy                        (c) Carrier molecules             (d) Enzyme                      (e) Vitamins

13. Intestinal peristalsis and evacuation of fluid faece is stimulated by
     (a) Ca++                       (b) Na+                         (c)  K+                                   (d) Cl-                            (d) Mg++

14. Micelles formation in small intestine takes place due to the influence of
     (a) Bile pigments          (b) Bile salts                    (c) Phospholipids                 (d) Bile pigments and Phospholipid      
     (e) Bile salts and Phospholipids

15. Plant proteins are considered nutritionally inferior to animal proteins with respect to
     (a) Amino acids          (b) Essential amino acids                    (c) Non essential amino acids                      (d) Energy content

16. Cholesterol is synthesized in
      (a) Pancreas              (b) Liver                            (c) Stomach                             (d) Spleen                             (e) heart

17. Which one of the following is the correct pair of the site of action and substrate of rennin
     (a) Stomach- casein                                          (b) Stomach- fat       (c) Small intestine- proteins
     (d) Mouth- starch                                              (e) Stomach- starch

18. Muscular contraction of alimentary canal is
     (a) Absorption           (b) Egestion                      (c) Ingestion                          (d) Peristalsis

19. Bile pigments are formed from
     (a) Bile salts            (b) haemoglobin                (c) Erythrocytes                     (d) loeucocytes                      (e) melanin

20. Kupfer cells are involved in
     (a) Phagocytosis     (b) Toxin secretion           (c) Enzyme synthesis          (d) Sensory activity                   (e) Hormone secretion
21. Parotid glands are found in
     (a) Below the tongue                                     (b) In the lower jaw                (c) Below and infront of ear
     (d) Underneath the lower lip                          (e) Angle of lower jaw

22. Vitamin K required for the synthesis of
     (a) Synthesis of prothrombin                         (b) Conversion prothrombhin to prothrombin
     (c) Formation of thromoplastin                    (d) Conversion of fibrinogen to fibrin                                (e) Activation of calcium

23. Which of the following is not an essential amino acid
     (a) Tryptophan                 (b) Valine               (c) Isoleucin                       (d) Threonine                          (e) Alanine

24. 1, 4 glycosidic bonds are broken when
      (a) Protein is digested by pepsin                 (b) Starch is digested by amylase
      © Lipid is digested by lipase                       (d) Nuclei acids are digested by RNase and DNase

25. The term ‘Vitamin’ coined by
     (a) C. Fund                 (b) N.I. Lunin              (c) Bayliss and starling     (d) Edward Buchner                  (e) berzelius

26. Peyer’s Patches are
     (a) Group of lymph nodes                        (b) Group of arteries          © Group of veins       
     (d) Group of lymph vessels                         (e) glands in intestine

27. Enterokinase is
     (a) A hormone stimulating villi              (b) A hormone inhibiting HCl, secretion
    © An enzyme converting trypsinogen    (d) Inactive form of intestinal juice                   (e) A protease in the pancreatic juice

28. Castle’s intrinsic factor relates with the absorption of
     (a) Cyanocobalamin       (b) Thiamine     © Riboflavin                       (d) Physidoxine       (e)Folic acid

29. A pair of small lymphatic tissue present at the sides of roots of tongue is called
     (a) Thyroid                 (b) Tonsils          (c) Epiglottis          (d) Uvula                  (e) Adenoid

30. Peritrophic membrane in the alimentary canal of cockroach is found in
     (a) Crop                     (b) Gizzard         (c) Mesenteron                       (d) Ileum                 (e) Rectum

31. Tusk of an elephant is an enormously enlarge
    (a) Upper canines         (b) Lower incisors   (c) upper incisors         (d) Lower canines      (e) upper pre-molars

33. Glisson’s capsules are found in
     (a) Liver of mammals                              (b) pancreas of mammals                                 (c) Spleen of mammals  
     (d) Liver of frog                                      (e) Pancreas of frog

34. Amino acids produced by digestion of proteins are absorbed and then transported through
     (a) Lacteals                            (b) Blood capillaries in the villi                          (c) Lacteals and blood capillaries in the villi
    (d) Cell cytoplasm                   (e) Lymph

35. Water absorption takes place in the
     (a)  Stomach         (b) Duodenum          (c) colon                                 (d) Iluem                   (e) Intesine

36. The inner surface of intestine is lined by
      (a) Squamous epithelium                     (b) Columnar Epithelium                                  (c) Columnar epithelium 
      (d) Ciliated epithelium                         (e) Transitional epithelium

37. Toxic substances in diet are detoxified in human body by
     (a) Kidneys         (b) Liver                    (c) Lungs                         (d) Stomach                (e) Intestine

38. The ivory of tooth is
     (a) Enamel         (b) Dentine                 (c) Pulp cavity                (d) Crown                   (e) Root

39. Tooth decay related with
      (a) Calcium      (b) Phosphorus           (c) Sodium                      (d) Potassium              (e) Flourin
40. The function of stomodeal valve in the gut of cockroach is to prevent the entry of food from
     (a) Gizzard into midgut                     (b) Pre-oral cavity                                             (c) Hind gut into mid gut 
    (d) Mid gut into gizzard                     (e) Midgut into ileum

41. The largest part of alimentary canal of cockroach is
     (a) Crop                (b) Ileum              (c) mesenteron                  (d) Rectum               (e) gizzard

42. Hepatic caecae in cockroach are derived from
     (a) Ileum               (b) Midgut           (c) Crop                            (d) Rectum               (e) none

43. Osteomalacia in man is associated with
      (a) Deficiency of vit.D                    (b) Deficiency of proteins in the food                     © Deficiency of parathormone                              (d) Deficiency of iron                    (e) Deficiency of vit.C

44. Milk protein is curdled by
     (a) Maltase       (b) Rennin              (c) pepsin                          (d) Trypsin                 (e) Rennin

45. A series of small pockets formed by the construction of colon wall are called
     (a) Taenia coli                                (b) Vermiform appendix   (c) Haustra                (d) hepatic flexure          (e) Splenic Flexure

46. If a child is given a low protein diet and low energy diet he suffers from
     (a) Kwashiorkor                     (b) Marasmus                      (c) Gaucher’s disease     (d) Trysach’s disease     (d) Obesity

47. Metabolic centre of our body is
      (a) Stomach                              (b) Intestine         (c) Spleen                                   (d) Liver                         (e) Pancreas

48. During starvation, man consumes first
     (a) Glycogen                          (b) Fats                  (c) Proteins                                  (d) Minerals                   (e) Vitamins

49. The self digestion of stomach is prevented by
      (a) Protoplasm of cells         (b) Antienzymes of the cells                                      (c) Mucous forms a protein coat
      (d) Muscular wall                (e) Connective tissue fibres.

50. Tay Sach’s disease related with
    (a) Law protein diet               (b) Low fat diet                            (c) Irregular protein metabolism
    (d) Irregular fametabolism     (e) Irregular amino acid metabolism

51. Digestion of both protein and starch by
     (a) Gastric juice                                              (b) Salivary juice                           (c) pancreatic juice                  (d) Bile juice                                 

52. The pungent odour of faces due to the presence of
      (a) Indole                                           (b) Skatole                            (c) Phenol            (d) H2S   (e) All of these

53. Argentaffin cells found in
     (a) Cardiac stomach            (b) Pyloric stomach                 (c) Duodenum    (d) Jejunum   (e) Ileum

54. Cobalt containing vitamin is
     (a) Vit.B                              (b) Vit. B2                    (c) Vit. B6     (d) Vit.B9      (e) Vit. B12

55. The structure which prevent the entry of food into wind pipe during swallowing
     (a) Glottis                         (b) Larynx                  (c) Pharynx        (d) Epiglottis     (e) Uvula

56. The most important center for the formation of lymph
      (a) Tonsils                   (b) Peyer’s patches          (c) Spleen     (d) kidney           (e) Liver

57. Glycogen is converted to glucose in
     (a) Liver                       (b) Muscle                   (c) Heart         (d) Brain         (e) Small intestine

58. Highest concentration of potassium is seen in
     (a) Gastric juice            (b) Bile                         (c) Pancreatic juice         (d) Intestinal juice   (e) Salivary juice

59. Drowsiness after heavy meal is due to
    (a) Increase blood pressure                   (b) Decreased pulse rate     (c) Reduced blood pressure    (d) Increase pulse rate
60. The vitamin prevent chelosis is                                                                                                                                                                           (a) Riboflavin        (b) Biotin        (c) Pantothenic acid       (d) Niacin    (e) Cobalamine

61. During milling and polishing of rice the Vitamin lost is
     (a) Vit. B                  (b) Vit. B2       (c) Vit. B6           (d) Vit. B9     (e) Vit. B12

62. The true stomach in the compound stomach of  ruminant  animals is
      (a) Rumen               (b) Reticulum      (c) Omasum          (d) Abomasum

63. Churning takes place in the stomach, the semidigested food is called
      (a) Bolus               (b) Chyle               (c) Chyme            (d) Faeces         

64. Antiscorbutic vitamin is
     (a) Vit.A                (b) Vit.C                    (c) Vit.D                  (d) Vit.K           (e) Vit. B1

65. Overweight and fatness are the characteristic features of
     (a) Kwashiorkor      (b) Obesity                 (c) anaemia           (d) marasmus        (e) Scurvy

66. Different feeding  mechanisms according to the nature of food is described by
     (a) E.P. Odum         (b) C.M. Younge             (c) Ernest mayr (d)   Thomas Whartin     (e) C. Funk

67. Secretions of parotid glands of the salivary glands carried into buccal cavity by
      (a) Stenson’s duct          (b) Wharton’s duct            (c) Rivinus duct      (d) Bartholin’s duct            (e) Choledocus duct

68. Cow’s milk is slightly yellowish in colour due to
       (a) Carotene            (b) Xanthophyll                      (c) Riboflavin       (d) Biotin                     (e) Phylloguinine

69. A person with bleeding gums should add to his daily diet
     (a) lemon              (b) mango  (c)carrot  (d )apple  (e)bananna

70. keratin the protein of hair is digested in the alimentary canal by the enzyme
     (a) Trypsin               (b) Chymotrypsin            (c) Pepsin    (d) Not digested   (e) Dipeptides

71. Secondary pancreatic juice is secreted under influence of
     (a) Gastrin               (b) Secretin                       (c) pancreozymin                               (d) Duocrinin   (e)  Enterogastrin

72. The vitamin which is produced in our body is
     (a) Vit.A                   (b) Vit.D                                (c) Vit.C                                          (d) Vit.E (e) Vit.K

73. Spincter of oddi muscles found in
    (a) Stomach                (b) Duodenum                   (c) Jejunum                     (d) Ileum                (d) Caecum

74. Chylomicrons are
     (a) protein droplets coated by lipids                (b) food in the intestine
     (c) Food coming from the stomach                    (d) Food in the stomach               (d) None

75. The Ph of succus entericus is
      (a) 7.6                     (b) 6.6                                              (c) 5.6                                                     (d) 2                        (e) 8.6

76. Vermiform appendix is made up of
     (a) Digestive tissue    (bRespiratory tissue (c) Excretory tissue     (d) Lymphatic tissue       (e) Nervous tissue
77. Taste buds for bitter taste are found on tongue at
     (a) Tip                    (b) Anterior part              (c) Posterior part      (d) lateral sides                 (e) Middle portion

78. V shaped papillae on tongue are
     (a) Filiform papillae               (b) Fungiform papillae (c) Circumvallate papillae    (d) Foliaceaous papillae

79. The vitamin which is generally excreted in human urine is
      (a) Vit.C                            (b) Vit.K               (c) Vit.D (d) Vit.B complexes            (e) Vit.A

80. Most important property of water for which it is needed in the body is
     (a) it is tasteless, colourless and odourless                        (b) it is the universal solvent
    © It is a liquid        (d) its O2 is used in cellular metabolism    (e) it is a splitter and binder

81. Paneth cells are found in
    (a) Crypts of leiberkuhn          (b) Organ of cortl           (c) Peyers patches    (d) Iselests of langerhans                   (d)Salivary glands

82. Besides liver gluconeogenesis occurs in
     (a) Kidney               (b) RBC     (c) muscle   (d) brain (e) spleen

83. Hyper secretion of which of the following results in gastric ulcers
     (a) cholecystokinin     (b) gastrin   (c) insulin      (d) secretin     (e) entero gastron

84. Cystic duct comes out from the
     (a) Gall bladder          (b) hepatic lobes         (c) pancreatic lobes    (d) kidney   (e) Gastric glands

85. The vitamin can be synthesized by the bacteria inside the gut it is
     (a) B1                                 (b) C                                      (c) D                       (d) K                       (e) A

86. Deficiency of copper causes
     (a) pellagra              (b) anaemia and damage to CNS      (c) influenza     (d) Xerophthalmia     (e) beriberi

87. The vitamin which is a steroid synthesized from cholestrol is
     (a) A                                    (b) B                                      (c) C                       (d) D                       (e) K

88. Hydrochloric acid in the stomach is secreted  by
     (a) Chief cells          (b) Zymogen   cell        (c) paneath cell                     (d)  oxyntic cell       (e) mucous cells

89. What is the PH of  ptyalin which is acted upon the starch
      (a) 6.8                                (b) 3.2                   (c) 9.3                                     (d) 7.8                    (d) 2.4

90. The cobalt containing vitamin is  
     (a) Niacin                           (b) Riboflavin                     (c) Biotin          (d) Folic acid       (e) cyano cobalamine

91. Yeast is a good source of
       (a) Vit.D                           (b)  Riboflavin                   (c) Ascorbic acid   (d) Niacin   (e) Vit.A

92. Beauty vitamin is
     (a) K                                    (b) C                                    (c) A                                         (d) E                       (e) D

93. Recent anticancer vitamin is
     (a) Vit.Q                             (b) Vit B12                         (c) Vit B5                               (d) Vit B17   (e) Vit B6

94. Bowlegs and pigeon- chested related with
      (a)  Pellagra                      (b) Cheilosis                      (c) beriberi                             (d) Rickes     (e) Neuritis

95. Regular inclusions of citrus fruits in one’s diet would prevent
      (a) Pellagra         (b) Scurvy                   (c) Night blindness                                     (d) beriberi   (e) chelosis

96. Pernicious anaemia is caused by deficiency of the vitamin
     (a) B1                                 (b) B2                                  (c) B6                                      (d) B9         (e) B12

97. Semi indispensable amino acid is
     (a) Arginine           (b) Glycine                (c) Leucine             (d) Tyrosine     (e) methionine

98. Omasum is absent in
     (a) Camel              (b) deer                                             (c) cow            (d) pig                                             (e) horse

99. largest parts of compound stomach is
     (a) Rumen           (b) Reticulum              (c) Omasum        (d) Abomasums

100. Which will not breakdown the peptide bond of protein
      (a) ptyalin       (b) Trypsin                    (c) Chymotrypsin                                          (d) peptidase     (e) Carboxy peptidase

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