Animal Nutrition
These answers are correct as far as i can tell, if you find alternative answers put it in the comments along with why so we can all learn
- 1.
Mitochondrial electron transport chain:
- A.
Generates an action potential
- B.
Generates proton motive force
- C.
Carries out oxidative phosphorylation
- D.
Transports amino acids.
- E.
Links electron transport to transport of pyruvate into mitochondria
Correct Answer
C. Carries out oxidative phosphorylation -
- 2.
ATP synthesis by ATP synthase in the mitochondria
- A.
Decreases the proton gradient
- B.
Increases the proton gradient
- C.
Requires glucose
- D.
Requires fatty acids
Correct Answer
A. Decreases the proton gradient -
- 3.
Synthesis/ oxidation of fatty acids occurs
- A.
In the mitochondria
- B.
In the rough endoplasmic reticulum
- C.
In the smooth endoplasmic reticulum
- D.
In the cytoplasm
Correct Answer
A. In the mitochondria -
- 4.
The enzymes of the glycolysis are located:
- A.
In the mitochondria
- B.
In the rough endoplasmic reticulum
- C.
In the smooth endoplasmic reticulum
- D.
In the cytoplasm.
Correct Answer
D. In the cytoplasm. -
- 5.
The major function of malate aspartate shuttle is to:
- A.
Transport reducing equivalent in cytosolic NADH into mitochondria
- B.
Transport reducing equivalent in mitochondrial NADH into cytosol
- C.
Transport reducing equivalent in cytosolic NADPH into mitochondria
- D.
Transport reducing equivalent in mitochondrial NADPH into cytosol.
Correct Answer
A. Transport reducing equivalent in cytosolic NADH into mitochondria -
- 6.
Of the following nutrients, select the nutrient/s which cannot be converted to glucose:
- A.
Lactic acid
- B.
Alanine
- C.
Palmitic acid
- D.
Propionic acid
- E.
Glutamine
Correct Answer
A. Lactic acidExplanation
Pyruvic acid also cannot be converted to glucoseRate this question:
-
- 7.
The storage form of glucose in the liver and muscle is:
- A.
Glycogen
- B.
Cellulose
- C.
Starch
- D.
Glucuronic acid
Correct Answer
A. Glycogen -
- 8.
The major determinant of biological value of dietary protein in monogastric animals is:
- A.
Secretion of endogenous proteins
- B.
Hind gut fermentation
- C.
The amino acid composition of the digested and absorbed protein
- D.
Digestibility
Correct Answer
C. The amino acid composition of the digested and absorbed protein -
- 9.
Complete oxidation of a mole of palmitic acid yields:
- A.
129 moles of ATP
- B.
12 moles of ATP
- C.
2 moles of ATP
- D.
38 moles of ATP
Correct Answer
A. 129 moles of ATP -
- 10.
A codon for each amino acid is:
- A.
Ambiguous and degenerate
- B.
Ambiguous but not degenerate
- C.
Degenerate but not ambiguous
- D.
Degenerate but ambiguous
Correct Answer
C. Degenerate but not ambiguous -
- 11.
If k = 0.7 and ME intake = 10 MJ/d, then NE intake (MJ/d) =
- A.
0.7
- B.
0.07
- C.
7
- D.
14.29
Correct Answer
C. 7Explanation
NE = ME(intake) x kRate this question:
-
- 12.
Major organ responsible for production of endogenous arginine is:
- A.
Stomach
- B.
Heart
- C.
Kidney
- D.
Liver
Correct Answer
D. Liver -
- 13.
Mammalian cells do not contain desaturases capable of introducing double bonds beyond carbon atom (from the carboxyl end):
- A.
1
- B.
3
- C.
6
- D.
9
Correct Answer
D. 9 -
- 14.
Of the following amino acids, select the one which is non-essential:
- A.
Lysine
- B.
Leucine
- C.
Valine
- D.
Glutamine
Correct Answer
D. Glutamine -
- 15.
Approximate net energy requirement for maintenance in cattle is:
- A.
77 MJ/d
- B.
25 MJ/d
- C.
10 MJ/d
- D.
0.7 MJ /d
Correct Answer
B. 25 MJ/d -
- 16.
Of the following nutrients, select the nutrient which can’t be converted to glucose by hepatic gluconeogenesis
- A.
Propionic acid
- B.
Alanine
- C.
Palmitic acid
- D.
Acetic acid
- E.
Butyric acid
- F.
Lactic acid
Correct Answer
F. Lactic acidExplanation
lactate can but lactic acid can'tRate this question:
-
- 17.
Complete oxidation of a mole of glucose yields
- A.
129 moles of ATP
- B.
12 moles of ATP
- C.
2 moles of ATP
- D.
38 moles of ATP
Correct Answer
D. 38 moles of ATP -
- 18.
Net energy requirement for maintenance of adult sheep is around
- A.
0.7 MJ /d
- B.
25 MJ /d
- C.
4 MJ / d
- D.
4 kJ /d
Correct Answer
C. 4 MJ / d -
- 19.
Major organ responsible for production of urea is
- A.
Stomach
- B.
Heart
- C.
Kidney
- D.
Liver
Correct Answer
D. Liver -
- 20.
Of the following are/one amino acids, select the one which is essential in the diet
- A.
Alanine
- B.
Citrulline
- C.
Valine
- D.
Glutamine
Correct Answer
C. Valine -
- 21.
Of the following are/one amino acids, select the one which is essential in the diet
- A.
Phenylalanine
- B.
Asparagine
- C.
Citrulline
- D.
Alanine
Correct Answer
A. Phenylalanine -
- 22.
Choose the likely MCP yield when a dairy cow eats 15 kg dry matter (M/D = 10) per day
- A.
150
- B.
1200
- C.
1.5
- D.
0.66
Correct Answer
B. 1200Explanation
MCP = intake x M/D x 8Rate this question:
-
- 23.
During ATP synthesis by substrate phosphorylation:
- A.
A proton gradient is generated
- B.
ATP is produced directly from ADP during a reaction
- C.
ATP is synthesized directly from adenosine and inorganic phosphate
- D.
All of the above
Correct Answer
D. All of the above -
- 24.
A shuttle involved in the transport of cytosolic NADH into mitochondria is:
- A.
The phosphoenolpyruvate shuttle
- B.
The malate-aspartate shuttle
- C.
Citrate shuttle
- D.
Oxaloacetate shuttle
Correct Answer
B. The malate-aspartate shuttle -
- 25.
How many moles of NADH are generated when 1 mole of Acetyl CoA is oxidized during one turn of TCA cycle?
- A.
1
- B.
3
- C.
12
- D.
122
Correct Answer
B. 3 -
- 26.
During gluconeogenesis, propionic acid enters TCA cycle at the level of:
- A.
Succinyl CoA
- B.
Acetyl CoA
- C.
Malate
- D.
Oxaloacetate
Correct Answer
A. Succinyl CoA -
- 27.
Transfer of an amino group from one amino acid to a keto acid is called:
- A.
Oxidative deamination
- B.
Amino-keto transfer
- C.
Ketoacidosis
- D.
Transamination
Correct Answer
D. Transamination -
- 28.
Which of the following volatile fatty acids is the major source for synthesis of glucose?
- A.
Acetic acid
- B.
Butyric acid
- C.
Propionic acid
- D.
None of the above
Correct Answer
C. Propionic acid -
- 29.
Which of the following volatile fatty acids is the major source for synthesis of palmitic acid in ruminants?
- A.
Acetic acid
- B.
Butyric acid
- C.
Propionic acid
- D.
None of the above
Correct Answer
A. Acetic acid -
- 30.
Lactose synthetase is a complex of galactosyl transferase and:
- A.
Casein
- B.
α-lacatlbumin
- C.
Glucose
- D.
Lactose
Correct Answer
B. α-lacatlbumin -
- 31.
Two major enzyme complexes involved in oxidative phosphorylation are:
- A.
Fatty acid synthase complex and ATP synthase
- B.
Electron transport chain and ATP synthase
- C.
Electron transport chain and fatty acid synthase
- D.
Oxidative deaminase and glycogen phosphorylase
Correct Answer
B. Electron transport chain and ATP synthase -
- 32.
Energy for the creation of a proton gradient across the inner membrane of mitochondria comes from a. b. c. d.
- A.
NADPH
- B.
NADH and FADH2
- C.
Anaerobic glycolysis
- D.
Gluconeogenesis
Correct Answer
B. NADH and FADH2 -
- 33.
Which of the following is an essential amino acid?
- A.
Serine
- B.
Threonine
- C.
Aspartic acid
- D.
Glutamic acid
Correct Answer
B. Threonine -
- 34.
Net energy requirement for maintenance of adult cattle is around
- A.
4 kJ /d
- B.
4 MJ / d
- C.
25 MJ /d
- D.
0.7 MJ /d
Correct Answer
C. 25 MJ /d -
- 35.
The efficiency of utilization of ME for growth is around
- A.
0.8
- B.
0.7
- C.
0.4
- D.
0.2
Correct Answer
C. 0.4 -
- 36.
Major end product of digestion protein in the small intestine of ruminants is ___________
Correct Answer
acetate - 37.
AcetateElongation of preformed fatty acid occurs in the ___________ of the cell
Correct Answer
mitochondria - 38.
The donor of two carbon units to extend the carbon chain for the synthesis of palmitate is _______________
Correct Answer
Oxaloacetate - 39.
An example of a method of measuring protein digestibility that does not take into account contribution by endogenous proteins is ____________________
Correct Answer
faecal loss method - 40.
Many of the actions of somatotropin are mediated by _____________ __________ __________
Correct Answer
insulin-like growth hormone - 41.
Transport of acetyl CoA from the mitochondrial matrix into the cytosol requires formation of
Correct Answer
citrate - 42.
In the urea cycle, argininosuccinate is cleaved to form fumerate and
Correct Answer
arginine - 43.
Major precursor of hepatic gluconeogenesis in the ruminants is _________________
Correct Answer
propionic acid - 44.
Synthesis of proteins occurs in the _____________ of the cell
Correct Answer
cytoplasm - 45.
The major carbohydrate present in grasses is _______
Correct Answer
cellulose - 46.
An example of a method of measuring energy requirements for maintenance is _________
Correct Answer
fasting metabolism - 47.
Synthesis of glucose from non-glucose precursors is called ____________
Correct Answer
gluconeogenesis - 48.
Synthesis of lactose occurs in the _________ gland.
Correct Answer
mammary - 49.
The major carbohydrate present in skeletal muscle is __________
Correct Answer
glycogen - 50.
Nucleic acids contribute __% of nitrogen to microbial crude protein.
Correct Answer
20
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Feb 04, 2016Quiz Edited by
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Nov 12, 2010Quiz Created by
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