Agriculture Exams (Animal Science) – Page 1

#0. The release of the egg from the female primary sex organ is called
A Oogenesis
B Maturation
C Gametogenesis
D Ovulation
Answer: Ovulation
#1. Gestation is maintain by
A Testosterone
B Oxytocin
C Estrogen
D Progesterone
Answer: Progesterone
#2. The organ of copulation for doe
A Vulva
B Prepuce
C Penis
D Vagina
Answer: Vagina
#3. The process whereby the new embryo becomes established at a developmental site in the uterus where it develop and become a fetus.
A Placentation
B Maturation
C Capacitation
D Implantation
Answer: Implantation
#4. Primary sex organ of the dam
A Vagina
B Testes
C Penis
D Ovary
Answer: Ovary
#5. A portion of oviduct near the ovary is expanded to form a funnel-like structure is called _________________.
A Cervix
B Uterine horn
C Vagina
D Infundibulum
Answer: Infundibulum
#6. The interval from the beginning of one heat period to the beginning of the next is called
A Maturation
B Estrous cycle
C Puberty
D Sexual maturity
Answer: Puberty
#7. This hormone is produced by the anterior pituitary gland to maintain the corpus luteum and initiate and maintain lactation.
A Oxytocin
B Relaxin
C Protaglandin
D Prolactin
Answer: Prolactin
#8. The incubation period for pigeon
A 42
B 16-18
C 18
D 21
Answer: 18
#9. The union of female gamete and male gamete
A Maturation
B Implantation
C Fertilization
D Capacitation
Answer: Fertilization
#10. Sexual receptivity which coincides with estrus in animals that exhibit estrous cycle is due to large amounts of ___________________
A Relaxin
B Testosterone
C Progesterone
D Estrogen
Answer: Estrogen
#11. Sexual receptivity which coincides with estrus in animals that exhibit estrous cycle is due to large amounts of ____________________.
A Testosterone
B Progesterone
C Relaxin
D Estrogen
Answer: Estrogen
#12. _______________ is the hormone responsible for milk injection in a lactating mammary gland
A Prolactin
B Calcitonin
C Oxytocin
D Epinephrine
Answer: Oxytocin
#13. _______________ is the primary sex organ of the female animals. It is responsible for the production of the ovum and the female gonadal hormones.
A Vagina
B Ovary
C Cervix
D Uterus
Answer: Ovary
#14. _______________ is the site of implantation of the fertilized ovum in livestock.
A Oviduct
B Vagina
C Horns of Uterus
D Cervix
Answer: Horns of Uterus
#15. An animal whose testes remained inside the body cavity and failed to descend to the scrotum is called ____________________
A Castrate
B Cryptorchid
C Capon
D Eunuch
Answer: Cryptorchid
#16. These are the cells in the testis which are responsible for the production of the hormone testosterone ______________________.
A leydig cells
B sertoli cells
C Epithelial cells
D none of the above
Answer: leydig cells
#17. ___________ is the hormone that stimulates ovulation of mature ovarian follicles.
A testosterone
B progesterone
C follicle stimulating hormone
D Luteinizing hormone
Answer: Luteinizing hormone
#18. A phase within the estrous cycle which is characterized by sexual receptivity of the female
A estrus
B metestrus
C Proestrus
D diestrus
Answer: estrus
#19. This transient tissue result from the fusion of the fetal membranes to the endometrium of the uterus to permit physiologic exchange between fetus and the mother during pregnancy.
A Placenta
B cyst
C conceptus
D womb
Answer: Placenta