ANSC 1011 Final Exam 2025
Animal science is the branch of science that deals with domestic animals and is further
divided into many areas including nutrition, genetics, reproduction, behavior, products,
health, and biotechnology.
True
False - Correct Ans-True
In terms of animal population, which animal ranks highest in number of animals?
Pig
Cow
Sheep
Chicken - Correct Ans-Chicken
Which farm animal was the first to be domesticated?
Chicken
Sheep
Horse
Cow - Correct Ans-Sheep
The cut of meat called the Boston Butt is found in what part of the pig's body?
Upper part of the shoulder from the front leg
Rear end, near the tail
Belly
Does not exist - Correct Ans-Upper part of the shoulder from the front leg
Worldwide, which animal is the most important source of meat?
Cow
Pig
Sheep
Chicken - Correct Ans-Pig
For non-ruminants, the small intestine is the major site of both digestion and absorption.
Which segment of the small intestine is the major site of digestion?
Jejunum
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Ileum
Duodenum
Colon - Correct Ans-Duodenum
The microorganisms in the rumen include
Fungi
Protozoa
Bacteria
All of the above - Correct Ans-All of the above
Major carb found in forages such as fresh pastures, silage, and hays and is an
important energy source for herbivores such as cattle, sheep, llamas, and horses.
Sugars
Cellulose
Starch
Volatile fatty acids - Correct Ans-Cellulose
Energy is one of the classes of nutrients
True
False - Correct Ans-False
Nutrients provided by feeds serve many purposes in the animal. Which of the following
is the 1st trait affected by inadequate nutrition?
Reproduction
Production
Work
Growth
Maintenance
All of the above are equally affected - Correct Ans-Reproduction
Which of the compartments of the ruminant stomach is most like the non-ruminant
stomach?
Reticulum
Rumen
Omasum
Abomasum - Correct Ans-Abomasum
Which of the following is another essential amino acid for cats only?
Glycine
Methionine
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Taurine
Lysine - Correct Ans-Taurine
What accounts for over 50% of total production costs in livestock operations?
Vet care
Equipment
Labor
Feed - Correct Ans-Feed
As compared to ruminant animals, the horse is considered equal in the utilization of
microbial protein.
True
False - Correct Ans-False
Ruminants have 4 stomachs.
True
False - Correct Ans-False
Removal of the testes is called
Cryptorchidism
Puberty
Spermatogenesis
Castration - Correct Ans-Castration
Any chemical substance in the diet that supports or maintains life processes is referred
to as a:
Additive
Natural resource
Feedstuff
Nutrient - Correct Ans-Nutrient
A limiting amino acid is the first amino acid that restricts the performance of the animal
and will be an essential amino acid such as methionine or lysine.
True
False - Correct Ans-True
Which volatile fatty acid is a precursor for milk fat and is produced when high forage
diets are consumed?
Propionic acid
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Acetic acid
Lactic acid
Butyric acid - Correct Ans-Acetic acid
The main product(s) of the male testes are
Testosterone and spermatozoa
Estrogen
Progesterone
Testosterone
Spermatozoa - Correct Ans-Testosterone and spermatozoa
The pituitary gland is the control center of reproduction, and it produces gonadotropin
releasing hormone
True
False - Correct Ans-False
The elimination of gases in ruminant animals that is controlled by belching is referred
as:
Rumination
Mastication
Eructation
Micturition - Correct Ans-Eructation
Sources of protein supplements for non-ruminants include all of the following except:
Plant origin
Animal origin
Non-protein nitrogen sources (NPN) - Correct Ans-Non-protein nitrogen sources (NPN)
Which of the following in the poultry's GI tract is considered to be the "true stomach"?
Gizzard
Cecum
Proventriculus
Abomasum
Crop - Correct Ans-Proventriculus
The process of maturing from a nonfunctional hypothalamic-pituitary-gonadal axis into a
state of gamete and hormone production, after which the animal can accomplish
reproduction successfully, is called
Breeding
Castration
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