THERIOGENOLOGY I
1. Which of the following statement is true?
a) Pro-estrus and estrus coincides with the follicular phase of the ovarian cycle and the
secretion phase of the cycle of the genital tract
b) Metestrus and diestrus coincides with the luteal phase of the ovarian cycle and the
proliferative phase of the cycle of the genital tract
c) Estrus and metestrus coincides with the follicular- and luteal phase of the ovarian cycle
and the secretion- and proliferative phase of the cycle of the genital tract, respectively
d) Pro-estrus and estrus coincides with the follicular phase of the ovarian cycle and the
proliferative phase of the cycle of the genital tract
Correct answer
d) Pro-estrus and estrus coincides with the follicular phase of the ovarian cycle and the
proliferative phase of the cycle of the genital tract
2. Which hormone(s) would you preferably administer, if you diagnose follicular cyst on either of
the ovaries?
a) GnRH
b) PGF2α
c) hCG
d) a and c
No correct answers
3. Which of the following hormones are involved in the luteotrophic action in various species of
animals?
a) LH, E2 & FSH
b) LH, P4 & E2
c) Prolactin, E2 & LH
d) P4, E2 & Relaxin
Correct answer
c) Prolactin, E2 & LH
,4. The sites of production of oxytocin are:
a) Granulosa cells of the ovary and posterior pituitary
b) Posterior pituitary and hypothalamus
c) Uterus and hypothalamus
d) Hypothalamus and ovary
Correct answer
d) Hypothalamus and ovary
5. Which of the following species of animals are not spontaneous ovulatory (s)?
a) Bitch & cat
b) Doe & Ewe
c) Cat & Camel
d) Bitch & Camel
Correct answer
c) Cat & Camel
6. Which hormone(s) would you preferably administer, if you diagnose luteal cyst on either of the
ovaries?
a) GnRH
b) PGF2α
c) hCG
d) eCG
Correct answer
b) PGF2α
, 7. In which female domestic animal(s) occur follicle growth and maturation in the centrally located
ovarian cortex?
a) Jenny
b) Doe and jenny
c) Puberal heifer
d) Ewe and nanny goat
Correct answer
a) Jenny
8. Which of the following is not true about the functions of placentas?
a) Synthesis of hormones
b) Respiratory organ (gas exchange)
c) Organ of protection (placental barrier)
d) None of the above
No correct answers
9. Which one of the following statement (s) is/are correct?
a) In female cattle regression of the corpus luteum begins day16/17 of estrous cycle due to
the action of the luteotropic hormone PGF2
b) The averages length of the estrous cycle in the ewe and cow is 21 days
c) Ovulation occurs near the end of estrus period in all domestic species except in the cow
d) a and c
Correct answer
c) Ovulation occurs near the end of estrus period in all domestic species except in the cow
1. Which of the following statement is true?
a) Pro-estrus and estrus coincides with the follicular phase of the ovarian cycle and the
secretion phase of the cycle of the genital tract
b) Metestrus and diestrus coincides with the luteal phase of the ovarian cycle and the
proliferative phase of the cycle of the genital tract
c) Estrus and metestrus coincides with the follicular- and luteal phase of the ovarian cycle
and the secretion- and proliferative phase of the cycle of the genital tract, respectively
d) Pro-estrus and estrus coincides with the follicular phase of the ovarian cycle and the
proliferative phase of the cycle of the genital tract
Correct answer
d) Pro-estrus and estrus coincides with the follicular phase of the ovarian cycle and the
proliferative phase of the cycle of the genital tract
2. Which hormone(s) would you preferably administer, if you diagnose follicular cyst on either of
the ovaries?
a) GnRH
b) PGF2α
c) hCG
d) a and c
No correct answers
3. Which of the following hormones are involved in the luteotrophic action in various species of
animals?
a) LH, E2 & FSH
b) LH, P4 & E2
c) Prolactin, E2 & LH
d) P4, E2 & Relaxin
Correct answer
c) Prolactin, E2 & LH
,4. The sites of production of oxytocin are:
a) Granulosa cells of the ovary and posterior pituitary
b) Posterior pituitary and hypothalamus
c) Uterus and hypothalamus
d) Hypothalamus and ovary
Correct answer
d) Hypothalamus and ovary
5. Which of the following species of animals are not spontaneous ovulatory (s)?
a) Bitch & cat
b) Doe & Ewe
c) Cat & Camel
d) Bitch & Camel
Correct answer
c) Cat & Camel
6. Which hormone(s) would you preferably administer, if you diagnose luteal cyst on either of the
ovaries?
a) GnRH
b) PGF2α
c) hCG
d) eCG
Correct answer
b) PGF2α
, 7. In which female domestic animal(s) occur follicle growth and maturation in the centrally located
ovarian cortex?
a) Jenny
b) Doe and jenny
c) Puberal heifer
d) Ewe and nanny goat
Correct answer
a) Jenny
8. Which of the following is not true about the functions of placentas?
a) Synthesis of hormones
b) Respiratory organ (gas exchange)
c) Organ of protection (placental barrier)
d) None of the above
No correct answers
9. Which one of the following statement (s) is/are correct?
a) In female cattle regression of the corpus luteum begins day16/17 of estrous cycle due to
the action of the luteotropic hormone PGF2
b) The averages length of the estrous cycle in the ewe and cow is 21 days
c) Ovulation occurs near the end of estrus period in all domestic species except in the cow
d) a and c
Correct answer
c) Ovulation occurs near the end of estrus period in all domestic species except in the cow
