Intro APSC Exam 1 UPDATED Exam
Questions and CORRECT Answers
What is the most rapidly growing animal industry? why? - Correct Answer-Poultry, because
of technology, more cost effective, and the rise in economic development
What is the second most rapidly growing animal industry - Correct Answer-pork
what is the purpose of USDA quality Grades? - Correct Answer-Estimates juiciness,
tenderness, and flavor
About how long does it take to get a typical feedlot steer from birth to slaughter weight? -
Correct Answer-15 months of age, can be up to 1-3 years but typically 15-24 months
Which is a use for horses that is not used in the U.S.? - Correct Answer-meat
How is HAACP used in the livestock industry? - Correct Answer-It is used to maximize food
safety in the packing industry
Why is meat considered to be a nutrient-dense food? - Correct Answer-It supplies a lot of
other nutrients for the number of calories consumed
A lamb weighed 125 lb live and had an 64 lb carcass. What was its dressing percent? -
Correct Answer-64/125*100= 51.2%
What is the correlation between farm populations and tractors? - Correct Answer-The more
tractors, the fewer farmers. The number of tractors is inversely related to the number of
people on farms. Also, the more tractors, the less food costs
Besides preparation for veterinary medicine, what are two careers for graduates of animal
science? - Correct Answer-categories include production (farming), science and medicine,
foods, agribusiness, communication, education, animal caretakers, government, artists and
entertainers
,Why don't we consume the brains and spinal cords of animals anymore? - Correct Answer-
concerns over transmission of bovine spongiform encephalopathy
What does edible fat, blood, and blood plasma used for as by-products? - Correct Answer-
eaten and used in food processing
how are hides and bones used as by-products? - Correct Answer-processed to produce
gelatins, used in desserts and food processing
How is dairy production good? - Correct Answer-improves nutrition and also provides year-
round jobs
Why do people want to be poultry farmers over other farmers? - Correct Answer-poultry
require a low initial investment and minimal input in terms of feed, equipment, and housing,
also generally hardy and prolific
What are some uses of nonfood Ag animals? - Correct Answer-Body coverings, power
sources, body waste, healing, pest/weed control, storage of capital and food, and culture
What is an advantage of fiber products? - Correct Answer-renewable, can be harvested from
same animal repeatedly
What is the difference with developed vs. less developed countries in terms of animal
hides/wool/carcass? - Correct Answer-In less developed countries, the carcass is more
valuable, while in developed countries, the wool/hide is more valuable
What are the 2 types of body coverings that goats yield and what goats yield each? - Correct
Answer-Mohair- Angora goat
Cashmere- underfur of the kashmir goat
How does the farmer get the cashmere form the Kashmir goat? - Correct Answer-must be
combed out of the coarse, outer guard hair by hand
, What type of hair do Yaks have? - Correct Answer-coarse fiber used for clothing and horse
blankets
What type of hair do Camels have? - Correct Answer-long hair, it is woven into cloth, and
blankets, tent fabric material, paint brushes
What are Karakuls and kuches? - Correct Answer-fur-bearing breeds of sheep
What are the most powerful draft animals in pulling? - Correct Answer-oxen and buffalo
How do the Oxen, horses/mules, donkeys and camels, and yaks move as draft animals? -
Correct Answer-oxen-fastest on dry land
horses/mules- move the fastest
donkeys and camels- carry the heaviest loads (preferred with drier climate)
yaks- high altitudes
How do animals help in terms of body waste? - Correct Answer--manure + compost =
fertilizer
-manure- improves soil texture
-In poor countries it is used as fuel
-used for construction (plaster)
-important ingredient in poultices for wound healing
How does Urine help soil? - Correct Answer-enhances soil fertility (b/c of its N, P, K,
content)
How can animals help with pest control? - Correct Answer-can graze on weeds, used along
edges of canals to control vegetation which would control snail borne diseases, reduces use of
pesticides
How are ducks used for irrigation? - Correct Answer-eat snails and leeches, in tie fields they
pick up missed grain=reduce insect population
