Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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The section of the vertebrae that makes up the neck in cattle, swine, or sheep
is the:
a. | Coccygeal vertebrae | c. | Sacral vertebrae | b. | Lumbar vertebrae | d. | Cervical
vertebrae |
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2.
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The “Femur” is classified as what type of bone?
a. | Long | b. | Short | c. | Flat | d. | Irregular |
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3.
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Which is not a function of the skeletal system?
a. | Strength | c. | Blood storage | b. | Mineral storage | d. | Protection |
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4.
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Hormones are organic catalysts that influence the growth and development of the
body are produced in the:
a. | Lymphatic system | c. | Endocrine system | b. | Urinary system | d. | Digestive
system |
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5.
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In what part of the respiratory system are the passages from the nostrils and
the mouth joined?
a. | Pharynx | b. | Trachea | c. | Bronchi | d. | Alveoli |
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6.
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The pancreas gland produces which hormone?
a. | Insulin | b. | Estrogen | c. | Testosterone | d. | Thyroxine |
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7.
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Which nutrients have the highest energy value?
a. | Proteins | c. | Fiber | b. | Carbohydrates | d. | Fats |
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8.
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Which amino acid is nonessential in swine rations due to being synthesized in
the body?
a. | Arginine | b. | Cystine | c. | Isoleucine | d. | Tryptophan |
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9.
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Which major mineral is often lacking in animal rations is:
a. | Selenium | b. | Calcium | c. | Copper | d. | Iodine |
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10.
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The proportion of the total variation in offspring from parents due to additive
gene effects:
a. | Estimate | b. | Heterosis | c. | Hybrid vigor | d. | Heritability |
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11.
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Which trait in beef cattle has the highest heritability estimate?
a. | Ribeye area | c. | Carcass grade | b. | Birth weight | d. | Dressing
percent |
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12.
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Which trait in sheep has the lowest heritability estimate?
a. | Mature weight | c. | Staple length | b. | Ribeye area | d. | Feed efficiency |
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13.
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The diploid number (pairs of chromosomes) for sheep is:
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14.
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Which gland in the male produces the sperm cells?
a. | Vas deferens | b. | Urethra | c. | Epididymis | d. | Testicles |
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15.
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The average age for cattle to reach puberty is:
a. | 10-12 months | c. | 12-14 months | b. | 4-6 months | d. | 6-8 months |
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16.
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The average length of the estrus cycle in swine is:
a. | 14 days | b. | 21 days | c. | 28 days | d. | 36
days |
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17.
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What is the average number of days in the length of gestation for sheep?
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18.
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The release of the egg from the ovary is called:
a. | Fertilization | b. | Ovulation | c. | Parturition | d. | Reproduction |
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19.
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Which factor does NOT affect the demand for beef?
a. | Number of people | c. | Income per person | b. | Location of consumers | d. | Meat
preferences |
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20.
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Which region of the United States produces the most beef cattle?
a. | Pacific | b. | Cornbelt | c. | Southwest | d. | Lake
States |
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21.
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How many breeds of beef cattle are available to producers in the United
States?
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22.
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The Chianina breed of beef cattle which is one of the oldest originated in which
country?
a. | France | b. | Australia | c. | Italy | d. | Egypt |
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23.
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Which breed of cattle was the first to have a herdbook published in the United
States?
a. | Shorthorn | b. | Hereford | c. | Angus | d. | Charolais |
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24.
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Which breed of cattle is classified as a Bos indicus type?
a. | Pinzgauer | b. | Simmental | c. | Galloway | d. | Brahman |
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25.
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What percent of cash income from livestock and crops come from beef in the
United States?
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26.
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Which of the following wholesale cuts of beef are high-value?
a. | Chuck | b. | Plate | c. | Brisket | d. | Rib |
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27.
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What is the standard number of days that beef cattle weaning weights are
adjusted to?
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28.
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Which breed of beef cattle has the highest standard birth weight in performance
testing?
a. | Angus | c. | Hereford | b. | Maine Anjou | d. | Shorthorn |
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29.
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What term refers to the general conformation of a beef market animal?
a. | Muscling | b. | Finish | c. | Type | d. | Merit |
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30.
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When judging beef breeding classes, the proper term for the amount of fat cover
is:
a. | Condition | b. | Finish | c. | Grease | d. | Backfat |
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31.
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The normal average body temperature for healthy beef cattle is:
a. | 98.6ºF | b. | 99.9ºF | c. | 100.1ºF | d. | 101.5ºF |
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32.
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What is the length of time that bacteria causing Anthrax can remain in the
soil?
a. | 90 days | b. | 18 months | c. | 10 years | d. | 40
years |
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33.
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Pinkeye the common name of this disease carried by insects that affects the eyes
of the animal:
a. | Leptospirosis | c. | Brucellosis | b. | Infectious Keratitis | d. | Blackleg |
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34.
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Rapid fermentation in the rumen causing too much gas to be produced:
a. | Enterotoxemia | c. | Bloat | b. | Founder | d. | Brisket Disease |
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35.
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Which nutritional disease is a heart condition of beef cattle at high
altitudes?
a. | Brisket Disease | c. | Bloat | b. | Founder | d. | Hardware
Disease |
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36.
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White Muscle disease is caused by a deficiency of the trace element:
a. | Copper | b. | Selenium | c. | Calcium | d. | Iron |
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37.
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Which state currently produces the most hogs?
a. | Oklahoma | b. | Iowa | c. | Texas | d. | Indiana |
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38.
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Which breed of swine has the highest performance in average litter size
ratio?
a. | Yorkshire | c. | Poland China | b. | Berkshire | d. | Hampshire |
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39.
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Which breed of swine is known to produce the largest loin muscle area based on
performance tests?
a. | Yorkshire | c. | Landrace | b. | Chester White | d. | Hampshire |
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40.
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The oldest known breed of swine developed in the early 1700’s:
a. | Hampshire | c. | Berkshire | b. | Duroc | d. | Poland China |
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41.
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A visual evaluation of the amount of muscle on a hog is best seen by looking at
which view of the hog?
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42.
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What term refers to the degree of refinement of head, hair, hide, and bone of
the live hog?
a. | Finish | b. | Soundness | c. | Proportion | d. | Quality |
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43.
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Which class of sheep is used primarily for meat production?
a. | Fine Wool | c. | Long Wool | b. | Medium Wool | d. | Crossbred Wool |
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44.
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Since 1970, which breed of sheep has had the largest number registered with
their breed association?
a. | Hampshire | b. | Rambouillet | c. | Southdown | d. | Suffolk |
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45.
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Which fine wool breed of sheep originated in the United States?
a. | Debouillet | b. | Merino | c. | Rambouillet | d. | Corriedale |
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46.
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The backfat on a market lamb should measure _________ at the twelfth rib.
a. | 0.05 to 0.10 inches | c. | 0.25 to 0.30 inches | b. | 0.15 to 0.20 inches | d. | 0.35 to 0.50
inches |
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47.
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Range production accounts for _________ percent of the total sheep production in
the United States.
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48.
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The most commonly used method of classifying sheep is by:
a. | Carcass type | c. | Type of wool | b. | Point of origin | d. | Number of young
produced |
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49.
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A lack of what substance in the blood causes milk fever in sheep?
a. | Vitamin K | b. | Calcium | c. | Vitamin D | d. | Zinc |
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50.
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What type of parasites are the most serious health problem for sheep?
a. | External | b. | Internal | c. | Live | d. | Mutated |
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