ANSC 221 TEST QUESTIONS AND
CORRECT ANSWERS ALREADY
PASSED
What are 3 different sources of water for animals? - Answer-Drinking water, metabolic
water, and water in feed
What nutrient class contains the most energy per gram? - Answer-fats
What nutrient class comprises most of livestock diets? - Answer-Carbohydrates
Carbohydrates and fats are composed of the same ELEMENTS; what is the difference
in elemental composition that partly explains the difference in energy content? -
Answer-Fats contain less oxygen, which causes the more carbon and hydrogen to
produce more energy
Which of the following is a pentose? - Answer-Ribose
What are the 2 main concerns about feeding antibiotics? - Answer-Antibiotic residues in
tissue
Microbial resistance to antibiotics
Monosaccharide that cellulose is composed of: - Answer-glucose
Substance in protein used to distinguish protein from starch and cellulose: - Answer-
nitrogen
Form of starch in plants with a straight-chain structure: - Answer-Amylose
Substance in plants that animals cannot digest without microbial help: - Answer-
cellulose
Golden Age of Nutrition - Answer-Stephen Babacock
6 Classes of Nutrients - Answer-Water, Lipids, Proteins, Carbohydrates, Minerals,
Vitamins
, Property of water that makes it useful for transporting nutrients and as medium for
chemical reactions? - Answer-High dielectric constant
Property of water operating when an animal is cooled by sweating - Answer-High latent
heat of vaporization
Carbohydrates are composed of what kind of MOLECULES? - Answer-Sugars and
Monosaccharides
What is the function of carbohydrates IN THE DIET? - Answer-Energy
What are the functions of fat in the diet? - Answer-Store energy, supply fatty acids
Proteins are composed of what kind of MOLECULES? - Answer-Amino Acids
What are the functions of proteins IN THE DIET? - Answer-Supply amino acids to make
protein, and use the rest to create energy
Distinguish between true protein (protein thats really important) and Crude Protein? -
Answer-True protein is composed of amino acids connected together by peptide bonds
in complex molecules, while Crude Protein is our estimate of that based on nitrogen
content.
Table sugar - Answer-sucrose
Form of polysaccharide stored in animals - Answer-Glycogen
Indigestible substance in crude fiber that interferes with digestion of other nutrients: -
Answer-ligin
Monosaccharide that starch is composed of: - Answer-glucose
Milk Sugar: - Answer-lactose
What is the difference between starch and cellulose? - Answer-Starch is 2 glucoses with
alpha bonds
Cellulose is 2 glucoses with beta bonds
Destroyed by thiaminase: - Answer-Thiamin
1,25-dihydroxycholecalciferol is the active form - Answer-Vitamin D
Vitamin that can be interfered with by avidin in raw egg white, which would result in skin
lesions: - Answer-Biotin
CORRECT ANSWERS ALREADY
PASSED
What are 3 different sources of water for animals? - Answer-Drinking water, metabolic
water, and water in feed
What nutrient class contains the most energy per gram? - Answer-fats
What nutrient class comprises most of livestock diets? - Answer-Carbohydrates
Carbohydrates and fats are composed of the same ELEMENTS; what is the difference
in elemental composition that partly explains the difference in energy content? -
Answer-Fats contain less oxygen, which causes the more carbon and hydrogen to
produce more energy
Which of the following is a pentose? - Answer-Ribose
What are the 2 main concerns about feeding antibiotics? - Answer-Antibiotic residues in
tissue
Microbial resistance to antibiotics
Monosaccharide that cellulose is composed of: - Answer-glucose
Substance in protein used to distinguish protein from starch and cellulose: - Answer-
nitrogen
Form of starch in plants with a straight-chain structure: - Answer-Amylose
Substance in plants that animals cannot digest without microbial help: - Answer-
cellulose
Golden Age of Nutrition - Answer-Stephen Babacock
6 Classes of Nutrients - Answer-Water, Lipids, Proteins, Carbohydrates, Minerals,
Vitamins
, Property of water that makes it useful for transporting nutrients and as medium for
chemical reactions? - Answer-High dielectric constant
Property of water operating when an animal is cooled by sweating - Answer-High latent
heat of vaporization
Carbohydrates are composed of what kind of MOLECULES? - Answer-Sugars and
Monosaccharides
What is the function of carbohydrates IN THE DIET? - Answer-Energy
What are the functions of fat in the diet? - Answer-Store energy, supply fatty acids
Proteins are composed of what kind of MOLECULES? - Answer-Amino Acids
What are the functions of proteins IN THE DIET? - Answer-Supply amino acids to make
protein, and use the rest to create energy
Distinguish between true protein (protein thats really important) and Crude Protein? -
Answer-True protein is composed of amino acids connected together by peptide bonds
in complex molecules, while Crude Protein is our estimate of that based on nitrogen
content.
Table sugar - Answer-sucrose
Form of polysaccharide stored in animals - Answer-Glycogen
Indigestible substance in crude fiber that interferes with digestion of other nutrients: -
Answer-ligin
Monosaccharide that starch is composed of: - Answer-glucose
Milk Sugar: - Answer-lactose
What is the difference between starch and cellulose? - Answer-Starch is 2 glucoses with
alpha bonds
Cellulose is 2 glucoses with beta bonds
Destroyed by thiaminase: - Answer-Thiamin
1,25-dihydroxycholecalciferol is the active form - Answer-Vitamin D
Vitamin that can be interfered with by avidin in raw egg white, which would result in skin
lesions: - Answer-Biotin
