ANSC 1000 Final Practice Exam + Answers
ANSC 1000 Final Practice Exam + Answers ANSC 1000
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This 4 page Study Guide was uploaded by Hannah B. on Tuesday May 3, 2016. The Study Guide belongs to ANSC 1000 at Auburn University taught by Dr. Carolyn Huntington in Spring 2016. Since its upload, it has received 27 views. For similar materials see Introduction to Animal Sciences in Animal Science at Auburn University.
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Date Created: 05/03/16
ANSC 1000 Practice Final Exam 1. True/False A jennet is a female donkey. 2. True/False Dwarﬁsm is an example of a qualitative trait. 3. True/False Estrogen stimulates the growth of the alveoli. 4. True/False Cattle void indiscriminately whereas pigs void in speciﬁc areas. 5. True/False Brazil is the country which produces the greatest amount of total beef production. 6. True/False Food efﬁciency equals daily food intake. 7. True/False Osteoclasts are bone cell precursors. 8. True/False Water soluble vitamins are stored in the body. 9. True/False The generation interval is shorter for poultry than for horses. 10. True/False A ram has higher ejaculate volume than a stallion. 11. True/False The rumen is considered the “true stomach” of the ruminant. 12. True/False Carcass traits are examples of highly heritable traits. 13. True/False Maturity is an indicator of meat tenderness. 14. True/False A cow is a seasonally polyestrous animal. 15. True/False Different breeds have different base values for EPDs. 16. This germ layer differentiates into skin, hair, brain, and spinal chord. a) mesoderm b) ectoderm c) endoderm 17. Which animal has a glans penis which has a ﬁliform (tubular) appendage at the end? a) bull b) ram c) stallion d) boar 18. Genes interacting with a corresponding gene in a homologous chromosome is what type of interaction? a) linear b) epistatic c) allelic 19. The most predominant type of swine operation in the US is a) feedlot b) stocker-yearling c) seedstock d) cow-calf 20. Which of the following traits has low heritability? a) growth b) carcass c) fertility 21. During milk holdup, this hormone is released into the bloodstream and overrides the action of oxytocin. a) somatotropin b) adrenalin c) epinephrine d) both b and c 22. In the US, what percentage of beef cattle are artiﬁcially inseminated? a) 8-10% b) 40-50% c) 80-85% d) >95% 23. An artiﬁcial vagina cannot be used to collect which of the following males? a) bulls b) stallions c) rams d) boars 24. This term is deﬁned as maintenance of lactation. a) galactopoesis b) mammogenesis c) lactogenesis d) milk secretion 25. Which of the following are involved in bone resorption? a) osteoclasts b) osteoblasts c) osteocytes 26. In the absence of pregnancy, luteolysis occurs and this structure is formed. a) linebreeding b) inbreeding c) outcrossing d) crossbreeding 27. Initial absorption of immunoglobulins can only occur for approximately how long after birth? a) 1-2 hours b) 24 hours c) 1 week d) 1 month 28. Which of the following is the site of fertilization? a) cervix b) oviduct c) ovary d) uterus 29. A deﬁciency of this water soluble vitamin causes scurvy. a) Vitamin A b) Vitamin B c) Vitamin C d) Vitamin D 30. Which test requires time, requires large numbers of animals, and is most valuable for sex- limited traits? a) performance test b) progeny test c) selection test 31. A _______________ group is a group of animals with the same herd, sex, breed, birth season, management, etc. 32. Endocrine glands differ from exocrine glands in that endocrine glands are ______________. 33. _______________ What is the average birth weight for equine? 34. _______________ This compound, which is similar to a hormone, causes the CL to regress. 35. _______________ This type of nuclear division is involved in oogenesis and spermatogenesis. 36. _______________ Which duct connects the epididymis to the urethra of the penis? 37. _______________ This term is deﬁned as the formation of bone. 38. _______________ List two types of ovine production operations. _______________ 39. _______________ This term is deﬁned as an increase in cell number. 40. _______________ What is the average estrous cycle length in ovine? 41. _______________ This term refers to a fertilized egg. 42. _______________ Which cell type is located between the seminiferous tubules? 43. The rumen is lines with numerous _______________ to increase surface area. 44. _______________ Cells lining the antrum produce this hormone. 45. _______________ This state produces the greatest number of hogs. 46. A steer grew from 500 lbs to 725 lbs in 175 days. Calculate ADG. 47. What does it mean to be an “easy keeper”? 48. List the primary function associated with these vitamins. Vitamin A: Vitamin D: Vitamin E: Vitamin K: 49. In the breeding soundness exam, name four of the steps that we must do when evaluating and selecting a sire. 1. 2. 3. 4. 50. List four things that need to be included on the feed tag. 1. 2. 3. 4. ANSWERS 47. An “easy keeper” is one that will eat anything when the food supply is low, 1. True rather than only selecting palatable food 2. True like some animals. 3. False 48. A = vision, ﬁxing body lining 4. True D = helps with Ca/P ratio in bone 5. False E = excellent antioxidant 6. False K = blood clotting 7. Fasle 49. visual evaluation, scrotal circumference, 8. False scrotal palpation, sperm evaluation 9. True 50. name of feed, name and address of 10. True manufacturer, ingredients, instructions 11. False 12. True 13. True 14. False 15. True 16. b) ectoderm 17. b) ram 18. c) allelic 19. a) feedlot 20. b) carcass 21. d) both b and c 22. a) 8-10% 23. d) boars 24. a) galactopoesis 25. a) osteoclasts 26. b) inbreeding 27. b) 24 hours 28. b) oviduct 29. c) vitamin c 30. b) progeny test 31. contemporary 32. ductless 33. 100-120 lbs 34. prostaglandin 35. meiosis 36. vas Deferans 37. osteogenesis 38. farm ﬂock and range ﬂock 39. hyperplasia 40. 17 days 41. zygote 42. Leydig cells 43. papillae 44. estrogen 45. Iowa 46. 1.29 lbs/day
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