Question Bank
ASRB ARS (Animal Nutrition) Preliminary Exam - English
Duration: 120 · Questions: 150 · Max Marks: 150 · Language: 1
Animal Nutrition
1
Which of the following is the primary source of energy in an animal's diet?
2
What is the most abundant carbohydrate in plant cell walls?
3
Among the following, which is a structural carbohydrate in plants?
4
Which fraction of the plant cell wall is completely indigestible?
5
What is the primary function of dietary lipids in animal nutrition?
6
Which of the following is the most energy-dense nutrient?
7
Which of the following proteins is classified as a globular protein?
8
The main function of proteins in animal nutrition is
9
Which of the following is a non-protein nitrogenous compound used in ruminant nutrition?
10
In animal nutrition, which amino acid is most limiting in maize-based diets?
11
Which of the following is a primary source of ATP in animals?
12
The energy used for basal metabolic rate (BMR) primarily supports
13
What is the term for energy remaining after fecal and urinary energy losses?
14
Which of the following factors affects energy retention in animals?
15
The partitioning of dietary energy into maintenance, growth, and production is based on
16
Heat increment of feeding refers to
17
Which energy system is most useful in formulating diets for lactating dairy cows?
18
The basal metabolic rate (BMR) of an animal is primarily influenced by
19
The respiratory quotient (RQ) is highest when
20
Direct calorimetry measures
21
Indirect calorimetry estimates energy expenditure by measuring
22
The energy content of a feed sample is measured using
23
The caloric value of lipids is approximately
24
Which method is used to determine metabolizable energy in poultry?
25
Which type of calorimetry requires measuring oxygen consumption and carbon dioxide production?
26
What does a bomb calorimeter measure?
27
Which of the following factors influences energy utilization in animals?
28
The energy required to maintain body functions at rest is called
29
What is the primary advantage of using the net energy system in animal nutrition?
30
Indirect calorimetry is most commonly used in
31
The heat produced from digestion, absorption, and metabolism of nutrients is called
32
The energy lost as methane is highest in
33
Which of the following is considered an indirect method of measuring basal metabolic rate?
34
The efficiency of energy utilization depends on
35
Which amino acid is considered the first limiting amino acid in poultry diets?
36
The biological value (BV) of a protein refers to
37
Net protein utilization (NPU) is calculated using
38
Which of the following is an essential amino acid for non-ruminants?
39
The primary site for protein digestion in monogastric animals is
40
In ruminants, microbial protein synthesis primarily occurs in the
41
Protein quality in animal nutrition is assessed using
42
The main fate of excess dietary protein in animals is
43
Which protein fraction is least digestible in ruminant diets?
44
A high-protein diet in ruminants can lead to
45
The protein efficiency ratio (PER) measures
46
Which method is most commonly used to evaluate protein digestibility?
47
What is the primary concern with feeding excessive non-protein nitrogen (NPN) to ruminants?
48
Which feed ingredient is a high-protein supplement in livestock diets?
49
A deficiency of protein in livestock leads to
50
The most limiting factor in protein metabolism in ruminants is
51
Heat-damaged protein is measured as
52
The main function of urea in ruminant diets is
53
Which enzyme primarily hydrolyzes triglycerides in the small intestine?
54
What are chylomicrons primarily composed of?
55
Where are bile salts synthesized?
56
Which of the following is an essential fatty acid?
57
What is the primary function of essential fatty acids?
58
An increase in dietary fat generally leads to which change in milk composition?
59
Which lipoprotein is responsible for transporting dietary lipids from the intestine to peripheral tissues?
60
What is the process of breaking down triglycerides into glycerol and fatty acids called?
61
Which of the following fatty acids is an omega-3 fatty acid?
62
What is the primary site of fatty acid synthesis in ruminants?
63
What is the role of bile salts in lipid digestion?
64
Increased dietary fat can lead to which of the following changes in body composition?
65
Which enzyme is responsible for the breakdown of lipoproteins in the bloodstream?
66
What is the process of synthesizing triglycerides from fatty acids and glycerol called?
67
Which enzyme initiates protein digestion in the stomach?
68
Where does the majority of protein digestion and absorption occur?
69
What are the end products of protein digestion?
70
Which of the following is an essential amino acid?
71
What is the process of converting amino acids to glucose called?
72
Which enzyme in the small intestine activates trypsinogen to trypsin?
73
Which of the following is a sulfur-containing amino acid?
74
How are amino acids absorbed from the small intestine?
75
What is the term for the breakdown of proteins into amino acids?
76
What is the significance of limiting amino acids?
77
Which of the following is a branched-chain amino acid (BCAA)?
78
What is the role of rumen microbes in protein utilization in ruminants?
79
What is the process of removing the amino group from an amino acid called?
80
Which is a critical amino acid for poultry?
81
What is the primary energy source for most animals?
82
What is the unit of energy commonly used in animal nutrition?
83
What is the term for the energy required to raise the temperature of 1 gram of water by 1 degree Celsius?
84
What is the primary site of carbohydrate digestion in non-ruminants?
85
Which process converts glucose to pyruvate?
86
What is the term for the storage form of glucose in animals?
87
In ruminants, what are the primary products of microbial fermentation of carbohydrates?
88
Which VFA is primarily used for gluconeogenesis in ruminants?
89
What is the term for the energy lost as heat during nutrient metabolism?
90
What is the energy remaining after fecal energy loss is subtracted from gross energy?
91
What is the energy available for maintenance and production after urinary and gaseous losses are subtracted from digestible energy?
92
What is the energy remaining after heat increment is subtracted from metabolizable energy?
93
Which of the following is a primary source of energy in ruminants?
94
What is the process of synthesizing glycogen from glucose called?
95
What is the process of breaking down glycogen to glucose called?
96
Which of the following is true regarding the comparative efficiency of amino acids as an energy source?
97
What is the primary role of insulin in carbohydrate metabolism?
98
What is the role of glucagon in carbohydrate metabolism?
99
Which hormone stimulates lipolysis?
100
What is the metabolic process that produces ATP from glucose in the absence of oxygen?
101
Which metabolic process occurs in the mitochondria and produces the majority of ATP?
102
What is the primary site of amino acid deamination?
103
What is the fate of the amino group removed during deamination?
104
How does dietary fiber affect energy utilization?
105
Which of the following factors can affect the digestibility of proteins?
106
Which of the following is NOT a method for evaluating protein quality?
107
The Biological Value (BV) of a protein is defined as
108
Net Protein Utilization (NPU) is calculated based on
109
The Protein Efficiency Ratio (PER) is used to measure
110
The best measure of protein quality for monogastric animals is
111
Which of the following proteins has the highest biological value?
112
The most limiting amino acid in maize-based diets for poultry is
113
In ruminants, metabolizable protein (MP) is defined as
114
What is the primary source of ruminally synthesized microbial protein?
115
Metabolizable protein (MP) system is used to
116
Which of the following methods is used to determine protein digestibility in ruminants?
117
A protein with high digestibility and balanced amino acids will have a
118
Which of the following increases protein requirements in animals?
119
Heat-damaged protein in animal feeds is measured by
120
The ideal protein concept refers to
121
The energy requirement for maintenance in animals is used for
122
What is the major energy source for protein metabolism?
123
Protein metabolism results in the production of
124
The energy cost of protein metabolism is highest compared to
125
The fate of excess dietary protein in animals is
126
Which organ is primarily responsible for protein metabolism in animals?
127
A negative nitrogen balance indicates
128
Urease activity in ruminants is important for
129
Protein catabolism occurs in
130
Which factor increases protein requirements in livestock?
131
The primary source of energy for protein metabolism in animals is:
132
The process of converting amino acids into glucose is called:
133
In ruminants, the primary site of amino acid absorption is the:
134
The highest energy expenditure during protein metabolism occurs in:
135
In non-ruminants, excess dietary protein is primarily converted into:
136
Deamination is the process by which:
137
The energy yield per gram is lowest for:
138
The major site of urea synthesis in mammals is:
139
The urea cycle (ornithine cycle) is important for:
140
Which of the following amino acids is glucogenic?
141
The efficiency of protein utilization is highest when:
142
Starvation leads to an increase in:
143
The end product of protein metabolism in birds is:
144
The primary amino acid used in gluconeogenesis during fasting is:
145
The process of breaking down proteins into amino acids is known as:
146
The energy cost of protein turnover is:
147
Which amino acid is most important for muscle protein synthesis?
148
Protein sparing effect of carbohydrates means:
149
The heat increment of feeding (HIF) is highest for:
150
The oxidation of amino acids occurs primarily in the: