Unit 4 Animal Nutrition Quiz

1. Which of the following involves the irreversible destruction of the crystalline order in starch granules to make the surface of every molecule accessible to solvents for improving digestibility? (Mppsc 2023)

2. The stages involved in processing of animal feed include:       (KPSC – June 2023)

(A) Receiving and cleansing of the raw materials

(B) Pelleting and crumbling

(C) Grinding and mixing of the ingredients

(D) Steaming and cooking of ingredients

Choose the correct sequence given below:

3. In wet processing method, the reconstitution of grains is done to raise moisture level to (MPSC – 2019)

4. Grinding of grains increases the digestibility, because of: (OPSC 2013 -14)

5. Which of the following is a wet processing method for grains?

6. What is the main objective of pelleting (moist)?

7. Which of the following methods involves exposing grains to steam under high pressure and then suddenly reducing it to atmospheric pressure?

8. What is the result of roasting grains?

9. Which dry processing method is the least expensive for reducing particle size of grains?

10. Which method increases the solubility of grain carbohydrates and protein by raising the moisture content to 25-30% and storing it for 2-3 weeks?

11. What is the effect of gelatinization on grains?

12. Which processing method involves the application of dry heat at 370-425°C for 15-30 seconds?

13. What is the main purpose of chopping or chafing roughages?

14. Which process involves treating straw with urea to release cellulose from lignin bondage for digestion?

15. What is the disadvantage of finely grinding fodder plants for pelleting?

16. Which method is most economical and easiest for chemical treatment of roughages?

17. What is the purpose of white-rot fungi in biological processing of roughages?

18. What temperature range is used for dehydration of roughages in a dehydrator?

19. Which of the following fungi can degrade 65-75% of lignin in lignocellulosic straws?

20. In the Karnal process, what is mixed with urea-treated cereal straw before inoculating it with Coprinus fimetarius?

21. Which processing method involves spraying water on roughages to soften the stem and improve palatability?

22. What is the primary reason for not feeding urea-treated straw to calves below 6 months of age?

23. Determination of digestibility of feed in following species is complicated: (UKPSC – 2024)

24. The collection period for digestibility trial of large ruminant should be (J&K 2012)

25. if an animal consumes 5 kg Dry matter and excretes 6 kg of feces with 50% moisture, the digestibility coefficient will be: (PPSC 2016)

26. Which method is used to compare two rations in a comparative feeding trial?

27. What is an advantage of using laboratory animals like rats or mice in feeding trials?

28. What is the source of protein in purified diets used for feeding trials with lab animals?

29. In which experimental design are treatments assigned completely at random to experimental units?

30. Which of the following methods involves collecting both feces and urine in metabolism trials?

31. What is the purpose of using chromic oxide as a marker in digestibility trials?

32. In the in-sacco method for measuring digestibility, what is the recommended porosity of the nylon bag?

33. Which technique is used to measure digestibility in a simulated rumen environment using artificial saliva?

34. Which factor decreases the digestibility of feeds when the intake level is high?

35. What method is used to estimate feed intake in grazing animals using markers?

36. Feeding standards do not consider (JKPSC-2020)

37. Starch equivalent system is based on (JKPSC-2020)

38. Who developed the starch equivalent value of feed (JKPSC – 2019)

39. Which one of the following is the Digestible-Nutrient system type feeding standard? (RPSC 2019)

40. Starch equivalent based energy system was given by (RPSC 2013)

41. In 1890, a feeding standard based on the “available fuel values of the feeds” was proposed by (MPSC 2021)

42. Wolff-Lehman feeding standard developed in the year: (OPSC 2013 -14 2nd)

43. Which fodder crop is most suitable for silage production? (PPSC 2022)

44. The pH range of good quality silage is (RPSC 2019)

45. Silage is         (PPSC 2021)

46. Very good silage should have pH ranging from (RPSC 2013)

47. Best crop suitable for silage making is (RPSC 2013)

48. The pH of very good silage is between (MPPSC 2021)

49. The chief acid produced during silage making: (OPSc 2021-22 2nd)

50. Following is the ‘best quality hay’ for feeding of sheep: (OPSC 2013 -14 2nd)

51. The acid required for good quality silage is: (OPSC 2013 -14 2nd)

52. Moisture content of chopped hay is: (OPSC 2013 -14 2nd)

53. The pH of good silage is: (OPSC 2013 -14 2nd)

54. Flieg index is commonly used method for evaluation of (UPPSc 2022)

55. From which day of age ‘Hay’ can be given to newborn calves ? (UPPSC 2022)

56. Losses of nutrients which occur in hay making in rainy season are called as (JKPSC 2019)

57. The earliest silage additive to be used as a source of sugar and to stimulate fermentation: (OPSC 2021-22)

58. Which processing method involves applying heat and pressure to grains to gelatinize the starch?

59. What is the primary purpose of grinding grains for animal feed?

60. Which roughage processing method involves cutting and drying forage in the field before bundling?

61. What is the main advantage of chopping or chaffing roughages?

62. Which conservation method involves storing forage with high moisture content in an anaerobic environment?

63. What is the ideal moisture content for making good quality hay?

64. Which of the following is NOT a dry processing method for roughages?

65. What is the primary purpose of feeding experiments?

66. Which feeding standard was developed by the National Research Council?

67. What does TDN stand for in the context of feed evaluation?

68. Which silage additive is commonly used to improve fermentation?

69. What is the optimal pH range for well-preserved silage?

70. Which process involves the rapid removal of moisture from forage crops using high temperatures?

71. What is the main advantage of pelleting concentrates?

72. Which feeding standard expresses energy requirements in terms of starch equivalents?

73. What is the primary goal of feed conservation methods?

74. Which of the following is NOT a common method for evaluating feed in feeding experiments?

75. What is the main purpose of adding urea to silage?

76. Which processing method is most effective for improving the digestibility of whole soybeans for poultry?

77. What is the primary advantage of steam flaking grains compared to dry rolling?

78. Which roughage processing method is most effective for reducing particle size and increasing surface area?

79. What is the main purpose of wilting forage before ensiling?

80. Which feeding standard is commonly used for formulating rations in the United Kingdom?

81. What is the primary advantage of using extrusion in feed processing?

82. Which conservation method is most suitable for high-moisture forages in areas with frequent rainfall?

83. What is the main purpose of adding acids to silage?

84. Which feeding experiment design involves offering animals a choice between different feeds?

85. What is the primary advantage of using near-infrared spectroscopy (NIRS) in feed analysis?

86. Which processing method is most effective for improving the utilization of cottonseed meal by monogastric animals?

87. What is the main purpose of adding enzymes to animal feeds?

88. Which of the following is NOT a common objective of feeding standards?

89. What is the primary advantage of using micronization in feed processing?

90. Which conservation method is most effective for preserving the nutritional value of legumes?

91. What is the main purpose of using inoculants in silage production?

92. Which feeding standard expresses energy requirements in terms of metabolizable energy?

93. What is the primary advantage of using hydroponics for animal feed production?

94. Which processing method is most effective for improving the utilization of rice bran by poultry?

95. What is the main purpose of using marker methods in digestibility trials?

96. Which conservation method is most suitable for preserving high-moisture grains?

97. What is the primary advantage of using complete mixed rations (TMR) in dairy cattle feeding?

98. Which processing method involves exposing feed ingredients to high-intensity infrared radiation?

99. What is the primary purpose of using a hammer mill in feed processing?

100. Which conservation method is most effective for preserving the carotene content in forages?

101. What is the main advantage of using the in situ technique in feed evaluation?

102. Which feeding standard uses the net energy system for ration formulation?

103. What is the primary purpose of adding propionic acid to stored grains?

104. Which processing method is most effective for improving the digestibility of whole cottonseed for ruminants?

105. What is the main purpose of using the digestible indispensable amino acid score (DIAAS) in feed evaluation?

106. Which conservation method is most suitable for preserving wet brewers grains?

107. What is the primary advantage of using exogenous phytase in monogastric animal diets?