Animal Nutrition Question and Answers

Animal Nutrition MCQS

Animal Nutrition Question and Answers
Animal Nutrition Question and Answers

I. Indicate True or False


1. Albumins are not soluble in water.
2. Elastins are fibrous proteins.
3. Triglycerides are known as fat.
4. G.E. content of fat is about 4 kcal/g.
5. Net yield of ATP per mole of glycerol is 21.
6. Thaer developed the first feeding standard.
7. Sucrose is sweetest of all the sugars.
8. Maltose is a reducing sugar.
9. Starch equivalent of wheat bran is 45.
10. Antibiotics are essential for large ruminants in feed.
11. NFE is determined by analysis.
12. BMR declines about 8% per year of age.
13. Vitamin E deficiency causes crazy chick disease.
14. VanSoest system of feed analysis was proposed in 1967.
15. Activity increment of cattle, sheep and swine is less when compared to poultry.
16. R.Q. for carbohydrate is 0.7.
17. Blood meal is deficient in isoleucine but rich in lysine.
18. Soybean meal is rich in methionine.
19. The pH of silage in A. I. V. method is kept below 4.
20. For guinea pig the Vitamin C requirement is 222 mg/kg DM of diet.
21. Zone of thermal neutrality for pig is 20-260C.
22. Chief route of phosphorus excretion in ruminants is urine.
23. Molybdenum deficiency in chicken causes femoral head necrosis.
24. Plasma calcium level is 4-5 mg/dL in most species.
25. Chromium deficiency causes impaired glucose tolerance.
26. Diammonium phosphate contains 18% Nitrogen and 20% Phosphorus.
27. Iron requirement for pig is 80mg/kg diet.
28. 1 IU of Vitamin E is equal to 1 mg α tocopherol acetate.
29. Menadione is both water-soluble and fat-soluble.
30. Fibrobacter succinogens is the chief fibre degrading bacteria in the rumen.
31. Fungal count in rumen is 103 to 105/ml of rumen liquor.
32. Specific function of rumen fungi is substrate penetration.
33. Sequestration is function of holotrich protozoa.
34. Microbe with highest protease activity in rumen is bacteria.
35. Majority of rumen bacteria are Gram positive.
36. Butyrivibrio fibrisolvens is a hemicellulose degrading bacteria.
37. Defaunation causes increase in bacterial and fungal biomass.
38. Yeast is a probiotic.
39. Trypsin acts on the peptide linkage involving aromatic amino acids.
40. Secretion of Brunners gland is alkaline.
41. Amino peptidase and di peptidase is secreted from small intestine.
42. Monensin supplementation increases methane production in ruminants.
43. The chief end product of purine metabolism in ruminants is allantoin.
44. Prehensile organ of cattle is lip.
45. MFN has no relationship with feed intake.
46. Maintenance requirement of dogs is 132 kcal/kgW0.75.
47. Haecker showed that nutritive requirements varied with quality and quantity of milk produced in dairy cattle.
48. Microbial digestion in rabbits takes place in proximal colon and caecum.
49. Armsby developed surface area law.
50. As per NRC, protein content in hamster diet should be 15%.
51. Methane is the chief rumen gas.
52. Struvite is Magnesium Ammonium Phosphate.
53. In dairy cows grazing resulted in a maintenance requirement that was 40% greater than when they were fed in the barn.
54. Terpenes yield isoprene moiety on degradation.
55. Lymph draining the intestine is always milky in ruminants.
56. Availability of calcium is 45%.
57. β oxidation of fat takes place in endoplasmic reticulum.
58. 1000 ppm TDS is ideal for water.
59. Cats are very sensitive to deficiency of arginine.
60. Metabolic water comprises 20-25% of total water intake of domestic animals.

Part -2 :

1. Chairman of the scientific panel set up for the development of the first edition of feeding standard published by ICAR in 1985?
N. D. Kehar

2. A scientist from KAU, who was a member of the sub-committee for drafting ICAR feeding standards for goats?
M. Shivaraman

3. Feeding standards in U. K. is developed by?

4. Starch digestibility in rumen ranges from?

5. Chief cellulose degrading bacteria of rumen?
Fibrobacter succinogens

6. Only VFA present in appreciable quantity in peripheral blood as an important energy source?

7. Berseem is a plant from?

8. A I V method of silage making uses the acids?
Sulphuric acid and Hydrochloric acid

9. Flieg index is a commonly used method for evaluation of?
Silage quality

10. Silo-fillers disease is an illness of farm workers that is caused by inhalation of the oxides of?

11. “Vana Mahotsava” the annual festival of trees was inaugurated in?

12. Beneficial effect of condensed tannin in legumes is attributed to their ability to?
Protect protein

13. Name two tannin complexing agents?
Polyethylene glycol (PEG) and Polyvinylpyrrolidone (PVP)

14. 3,4 DHP (dihydroxypyridone) and 2, 3 DHP are the break down products of the antinutritional factor ………….?

15. Chief endproduct of purine metabolism in ruminants?

16. A naturally occurring fatty acid found in ruminant products which has beneficial health attributes like anticarcinogenic activity, anti obesity and anti atherogenic activity?
Conjugated linoleic acid (CLA)

17. Plants belonging to genus Brassica has the antinutritional factor…………?

18. Slobber syndrome and facial eczema in cattle is caused by the consumption of….?
Mycotoxins (slaframine and swainsonine)

19. Hydrated sodium calcium aluminosilicates (HSCAS) are added in feed for?
Binding mycotoxins

20. Maximum permitted level of aflatoxin in animal feeds (as per Prevention of food adulteration act)?
30 ppb (0.03 ppm)

21. BT cotton has the gene from the bacterium?
Bacillus thuringiensis

22. Plant which is named Biodiesel?

23. The oil seed crop that is produced in the largest amount in the world is?

24. Domesticated avian species having high requirement for Niacin?

25. Mineral which is present in glucose tolerant factor?

26. Central Research Institute for Dry land Agricuture (CRIDA) is located at?

27. Tree loppings or prunings available as feed in silvipastoral system is termed?
Top feeds

28. Name a selenium accumulator plant?

29. N : S ratio of wool?

30. The pathway of propionate production in animal consuming high fibrous diet?
Succinate pathway

31. Term metabolizability denotes?

32. Vitamin C requirement for guinea pig diet?
200 mg/kg feed

33. Fodder feed is?
Cow pea

34. VFA having maximum absorption rate is?

35. Zinc deficiency causes infertility in males because it is a component of the enzyme……..?
Thymidine kinase

36. Preferred source of enzyme for estimating degradability of protein in French PDI system?
S. griseus (protease)

37. Alkaloid in legume which predispose bloat?

38. If no green grass is fed to ruminants the concentrate mixture should have Vitamin A at the rate of ……..?
5000 IU/Kg

39. Other than HMP shunt, the conversion of … ……… is a source of NADP in non ruminants?
Malate to Pyruvate

40. Phosphorus content of bran?

41. Carprice reaction is concerned with the estimation of?
Vitamin A

42. Antimetabolite of folic acid?

43. Fatal syncope in calves and pigs is due to deficiency of?
Vitamin E

44. First discovered amino acid?

45. Chief acid of silage is?
Lactic acid

46. Silo with minimum spoilage is?
Upright silo

47. Scotopsin is rich in the amino acid?

48. Meskawi is a common variety of the plant?

49. Domesticated ruminant with highest BMR?

50. Deficiency disease in which ceroid pigment is accumulated in adipose tissue of cats?
Yellow fat disease/Pansteatitis (Vitamin E deficiency)


51. Colour of pure vitamin A?

52. Reference standard in a Bomb calorimeter?
Benzoic acid

53. Brouwer equation is used to estimate?
Heat production

54. A fungal enzyme added in poultry feeds containing barley?
ß glucanase

55. Ruminant which is most prone to both cobalt deficiency and copper toxicity?

56. Biological value of microbial protein?

57. (DCP + DTP)/2 is ?
Protein Equivalent

58. The pathway occurring in plants which is responsible for the conversion of fat to carbohydrate?
Glyoxylate cycle

59. First two enzymes of urea cycle is located in?

60. Cell organelle involved in initial steps of alkoxy-phospholipid biosynthesis which leads to the production of plasmalogens?

61. Aminoacid required for the production of carnitine?

62. ………..% of the nitrogen of milk is NPN?

63. Hammer mill works on the principle of/
Impact grinding

64. Major pathway for ATP synthesis in tissues lacking mitochondria like RBC, cornea and lens?

65. Metals inhibiting pyruvate dehydrogenase complex?
Arsenic and Mercury

Multiple Choice Questions

1. Efficiency of conversion of ß carotene to vitamin A is in the order?
a. Rat>Ruminants> Pig> Poultry
b. Rat>Poultry>Pig>Ruminants
c. Rat>Poultry>Ruminants>Pig
d. Pig>Poultry>Ruminants>Rat

2. Rumen degradable protein content is highest for?
a. Soybean meal
b. Coconut cake
c. Groundnut cake
d. Fish meal

3. The feed which is fed “whole” to poultry but “crushed” to cattle and pig?
a. Pearl Millet
b. Great Millet
c. Barley
d. Jowar

4. Experimental animals for determining GPV of a feed?
a. Rats
b. Rabbit
c. Guinea pig
d. Chick

5. Order of the efficiency of conversion of Tryptophan to Niacin?
a. Pig>Chicken>Duck>Cat
b. Cat>Chicken>Duck>Pig
c. Chicken>Pig>Duck>Cat
d. Duck>Chicken>Pig>Cat

6. Which of the following is common to salseed, sorghum and jowar?
a. Mucilage
b. Tannin
c. Glucosinolate
d. Mimosine

7. Colour of ruminant bile?
a. Green
b. Golden yellow
c. Orange
d. Colourless

8. DCP% is highest for?
a. Lucerne hay
b. Berseem hay
c. Oat hay
d. Wheat straw

9. Which of the following is required for Ubiquinone synthesis?
a. Vitamin A and Copper
b. Vitamin E and Selenium
c. Vitamin E and Copper
d. Vitamin C and Selenium

10. The order of toxicity is?
a. Tyrosin>Threonine>Methionine
b. Methionine>Threonine>Tyrosine
c. Threonine>Tyrosine>Methionine
d. Methionine>Tyrosine>Threonine

11. Which of the following is most important in inhibiting the digestibility of paddy straw?
a. Lignin
b. Silica
c. Hemicellulose
d. Oxalate

12. Concentration of Ammonia and Total VFA in rumen is highest for?
a. Goat
b. Buffalo
c. Sheep
d. Cattle

13. Most promising initial symptom of Vitamin A deficiency in cows and horses?
a. Copius lacrymation
b. Copius salivation
c. Xeropthalmia
d. Night blindness

14. ……….% NDF in total ration is critical for maintenance of normal milk fat?
a. 66%
b. 18%
c. 73%
d. 36%

15. Urea treatment of straw increases?
a. CP and DCP
b. TDN
c. Dry matter digestibility and feed intake
d. All the above

16. Pregnancy toxemia is seen in?
a. Sheep and Goat
b. Sheep and Rat
c. Sheep and Guinea pig
d. Sheep and Rabbit

17. Taurine requirement of cats is ……… DM in diet?
a. 200
b. 500
c. 800
d. 1000

18. Amino acid precursor of lignin?
a. Phenylalanine
b. Tyrosine
c. Alanine
d. Glycine

19. Mineral needed for acetate incorporation in cholesterol biosynthesis?
a. Calcium
b. Copper
c. Manganese
d. Magnesium

20. Microbe in rumen capable of breaking lignocellulosic bond?
a. Bacteria
b. Protozoa
c. Fungi
d. None

21. Protease activity in rumen is highest for?
a. Bacteria
b. Protozoa
c. Fungi
d. Bacteriophage

22. Naturally occurring fatty acid has ………..configuration?
a. Cis
b. Trans
c. Both
d. None

23. Which of the following is common in nature?
a. D sugars and D amino acids
b. L sugars and L amino acids
c. D sugars and L amino acids
d. L sugars and D amino acids

24. The order of salt tolerance?
a. Sheep>Cattle>Pig>Poultry
b. Sheep>Pig>Cattle>Poultry
c. Cattle>Sheep>Pig>Poultry
d. Pig>Cattle>Sheep>Poultry

25. Urea supplementation is not recommended if CP content of ruminant diet is above?
a. 18%
b. 25%
c. 7%
d. 13%

26. Which of the following deficiency contribute to perosis?
a. Manganese and Choline
b. Biotin and Folic acid
c. Thiamine, Manganese, Choline, Biotin and Folic acid
d. Vitamin B12, Manganese, Choline, Biotin and Folic acid

27. Order of tolerance of aflatoxin?
a. Chicken>Guinea fowl>Duck
b. Duck>Guinea fowl>Chicken
c. Guinea fowl>Chicken>Duck
d. Chicken>Duck>Guinea fowl

28. Arrange the susceptibility to aflatoxin by domestic animals in descending order?
a. Rabbit> Pig> Cattle>Sheep>Chicken
b. Pig>Rabbit>Sheep>Chicken>Cattle
c. Chicken>Rabbit>Pig>Sheep>Cattle
d. Cattle>Sheep>Rabbit>Pig>Chicken

29. Which of the following is used as energy source (not protein source)?
a. Linseed meal
b. Salseed meal
c. Mustard cake
d. Sunflower cake

30. All reactions in TCA cycle are reversible except the formation of?
a. Succinyl CoA
b. Succinate
c. α keto glutarate
d. Fumarate

31. Which of the following cereal has more lysine content?
a. Rice
b. Wheat
c. Corn
d. Oats

32. β oxidation can occur in?
b. Peroxisomes
c. Both
d. Endoplasmic reticulum

33. Glycosphingolipids and glycoproteins are synthesized in?
a. Golgi body
b. Mitochondria
c. Endoplasmic reticulum
d. Glyoxysomes

34. Rate limiting enzyme in cholesterol biosynthesis?
a. α 1-4 glucosidase
b. HMG CoA reductase
c. Squalene synthetase
d. 7 α hydroxylase

35. For fatty acid synthesis, Acetyl CoA comes from mitochondria to cytoplasm as?
a. Carnitine
b. Malate
c. Citrate
d. Oxaloacetate

Part -3:

Non-Ruminant Nutrition

1. Sulphur containing amino acids are
a. Methionine & Cysteine
b. Lysine & Valine
c. Leucine & Threonine
d. Aspartic acid & Glutamic acid

2. The protein % in broiler starter diet is (BIS 2007)
a. 23
b. 24
c. 22
d. 21

3. Which of the following pair is/are correctly matched
a. Sulphur-containing vitamins: thiamine & biotin
b. Sulphur-containing amino acids: Cysteine & methionine
c. Selenium-containing enzyme: Glutathione peroxidase
d. All the above

4. Calcium containing feed ingredients in poultry ration are
a. Oyster shell
b. Grit
c. Marble chips
d. All of these

5. The major end product of nitrogen metabolism in chicken is
a. Ammonia
b. Urea
c. Uric acid
d. Creatinine

6.Commonest limiting amino acid in poultry diet is
a. Arginine
b. Methionine
c. Tryptophan
d. Aspartate

7. latest BIS for poultry is
a. 2001
b. 2007
c. 1987
d. 2004

8. goose stepping gait is caused by
a. Deficiency of pantothenic acid
b. Excess of pantothenic acid
c. Deficiency of biotin
d. Excess of biotin

9. Feed intake is slightly more in
a. Pellet
b. Mash
c. Dusty feed
d. All of these

10. Olive coloured egg yolk in chicken egg is caused due to
a. Xanthophyll
b. GNC
c. Cotton seed cake
d. Sesame cake

11. Which of the following is/ are methyl donor(s)?
a. Methionine
b. Betaine
c. Choline
d. All of these

12. Non-digestible oligosaccharides work as a
a. Prebiotic
b. Nutraceuticals
c. Synbiotic
d. Probiotic

13. Feed additives like amprolium, sulpha drugs & Ionophores acts as
a. Growth enhancer
b. Antibacterial
c. Antioxidants
d. Anticoccidials

14. Vitamin C, Vitamin E, BHT & BHA are:
a. Flavour enhancers
b. Anticaking agents
c. Stimulants
d. Antioxidants

15. The birth of hairless pigs is due to deficiency of:
a. Copper
b. Iodine
c. Iron
d. Calcium


16. the digestive system of pig is more towards
a. Herbivores
b. Carnivores
c. Both
d. Like ruminants

17. Maximum % of Crude Fibre in creep ration of pig:
a. 10
b. 12
c. 6-8
d. 5

18. As per BIS, minimum % of CP in creep ration of pig is
a. 12
b. 18
c. 20
d. 6-8

19. First limiting amino acids in pig diets is
a. Methionine
b. Lysine
c. Tryptophan
d. Isoleucine

20. Weaning in pigs is practised at age of
a. 56 days
b. 25 days
c. 21 days
d. 35 days

21. The energy Requirements for pigs are stated in
a. ME
b. DE
c. NE
d. All of these

22. Live cultures of non-pathogenic organisms which are administered orally is known as-
a. Prebiotics
b. Probiotics
c. Feed additive
d. Feed supplement

23. Reserve form of carbohydrate in body is
a. Starch
b. VFAs
c. Glycogen
d. Glucose

24. Horse is a
a. Fore gut fermentor
b. Hind gut fermentor
c. Polygastric
d. All of these

25. Selective feeding is maximum in poultry under___________ system of feeding which leads to deficiency diseases –
a. Whole grain feeding
b. Pellet feeding
c. All mash feeding
d. Crumble feeding

26. Curled toe paralysis is caused by the deficiency of –
a. Riboflavin
b. Thiamine
c. Pantothenic Acid
d. Niacin

27. Most common anti-nutritional factor in leaves of plants is _____________.
a. Trypsin Inhibitor
b. Tannins
c. Monensin
d. Nimbidin

28. True digestible energy is always ___________ than the apparent digestible energy.
a. Less
b. More
c. Equal
d. May be any of these

29. Avidin chelates ____________ vitamin.
a. Biotin
b. Riboflavin
c. Retinol
d. Ascorbic acid

30. Rubbery legs condition in poultry is due to the deficiency of which vitamin _____________.
a. Vitamin A
b. Vitamin B1
c. Vitamin C
d. Vitamin D


  1. A
  2. A
  3. D
  4. D
  5. C
  6. B
  7. B
  8. A
  9. A
  10. C
  11. D
  12. A
  13. D
  14. D
  15. B
  16. A
  17. D
  18. C
  19. B
  20. A
  21. B
  22. B
  23. C
  24. B
  25. A
  26. A
  27. B
  28. B
  29. A
  30. D

Post a Comment

share your words ...

Last Article Next Article