ICAR-ASRB Placement Paper Contributed by Gayathri updated on Mar 2019

                                             IVRI Written Test Model Paper - Physiology

1. Rumen gas largely consists of Carbon dioxide and methane in the proportion of .......................

2. Urea is recycled in the rumen through ...................and .........................

3. If acetic : propionic ratio in the rumen goes down below .................. the fat content decreases in the cow milk

4. The pH of ileal fluid ranges from ...................to .......................

5. The rumen protozoa store carbohydrate in the form of ........................

6. The testosterone released from tunica interna is converted to estradiol, a female sex hormone under the influence of ..............

7. The estrogen produced by mammalian ovary or placenta normally are .............., .......................and ...................

8. In ruminants, the placenta is of ...................... type

9. Grayish coloured corpus luteum present in ..................... (species)

10. PRL (prolactin) promote the secretion of progesterone by the corpora lutea in .................and ........................(species)

11. Bruce effect in mice involve blockage of ...................secretion which is necessary for maintenance of CL

12. the blood supply to udder is maintained by .............artery

13. .................is the main source of energy in bull semen

14. Collapse of alveoli is known as .......................

15. one gram of hemoglobin can bind with maximum of ................ml oxygen

16. Expiration if regulated by ...........................centre of the brain

17. Rate of diffusion of carbon dioxide through respiratory membrane is about ................times rapid than oxygen diffusion

18. The volume of air which remains in the lungs after forceful expiration is called ..................

19. Threshold level for low oxygen in air for sheep, goat and cattle is about ....................meters above sea level

20.The critical environmental temperature at which the increase in respiration rate become marked is 60oF for HF,70o F for Jersey and ......................for Brahman cattle

21.The most potent compound which can stimulate the closure of esophageal/reticular groove in cattle even up to two years of age is............................

22....................................is the usual order of concentration of individual acids present in the rumen

23.Enzymes responsible for metabolism are located in the ............................(part) of spermatozoa

24.The estrous cycle of ewe is of ......................................days duration

25.The bull spermatozoa can travel ........................cms per 30 minutes in the female genital tract

26.Sexual receptivity in case of ewe in heat requires the presence of.................................(hormone)

27.......................% of carbon dioxide transport occur in the form of Bicarbonate ion

28.Utiliozation coefficient for oxygen consumption is........................% for birds and ....................%for mammals

29.The nerve network Meissners plexus controls secretions of epithelial cell where as Auerbachs plexus control .....................

30.Coiled colon (Ansa Spiralis) present in ........................and............................(species)

31.In GI system, contractile waves that travel short distance is termed as......................and that travel longer distance is...........................

32.Daily production of saliva in cows comes around ..................................litres

33.The first hormone ever discovered was ................................

34.Horse obtains around ........................% of its energy requirements from large intestinal absorption of volatile fatty acids

35.Protozoan count of rumen is about ..............................ml of rumen content and it account for .................%of rumen metabolism

36. ............................hormone induces gene expression in mammary tissue for casein synthesis

37. Herbivores donot have ................ phase of gastric stimulation

38. ....................part of female reproductive tract is known as "neck of the womb"

39. Central frozen semen production and training institute is located at .......................

40. Credit of first birth of a buffalo calf through AI in India goes to.....................institute

41. Electro ejaculation was first adopted by .........................

42. ..................hormone is very important for the duct growth of mammary gland

43. The lactose content in milk is .......................% and is the most consistent component of milk

44. It is estimated that about ............ml of blood must pass through udder for the production of one ml of milk

45. As per work physiology, contraction of ....................(visceral organ) increase no of erythrocyte in the body.

46. Exercise result in increased cardiac output to meet the increased demand of working muscles for oxygen. The cardiac output =stroke volume X ..........................

47. During strenuous exercise, cardiac output increases upto ...................fold in horse

48. Race horses are most susceptible to deficiency of .....................(B vitamin)

49. Proteolytic bacteria represent about ..................% (range) of the total ruminal bacteria

50. ......................is a measurement of the distensibility of the lungs and thorax and is determined by measurement of the lung volume change for each unit of pressure change

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