Questions
What is the number of chromosomes in the sperm of a Sahiwal bull?
- 30
- 60
- 50
- 120
- 20
The end of diestrus period is due to
- recruitment of the ovulatory follicular wave
- decrease in estradiol negative feedback
- regression of the corpus luteum
- increase in estradiol levels coming from preovulatory follicle
- increase in progesterone level
Why are Granulosa cells similar to Sertoli cells?
- Both have FSH receptors.
- Both have LH receptors.
- Both produce testosterone.
- Both have very low levels of cAMP.
- Both produce estrogen.
Placentophagy is not seen in
- cats
- cows
- mares
- sows
- buffaloes
In bitches, lochia is of greenish colour due to
- biliverdin
- bilirubin
- uteroverdin
- urobilinogen
- carotene
In case of a mare, honey-like drop and secretion appearing at teat before foaling is called
- colostrum
- weaning
- waxing
- preparturition dew
- dropping
In case of a mare, transition from non-breeding to breeding season is caused by
- decrease in melatonin
- decrease in the day length
- a switch from positive to negative feedback by estradiol
- the presence of progesterone coming from corpus luteum
- increase in melatonin level
Which of the following sterols is used for heat synchronisation in cows?
- PGF2alpha
- PMSG
- LH
- FSH
- Testosterone
In trichomoniasis abortion, the cardinal sign is
- pyometra
- anoestrous
- repeat breeding
- CCF
- EDD
In which of the following types of pregnancies, is the uterine torsion rare?
- Single
- Bovine
- Twin
- Surti buffalo
- None of these
Which of the following options is the most important for rapid movement of oocyte to ampular-isthmic junction of oviduct after ovulation?
- Fluid production by isthmus
- Ciliary beating in ampulla
- Muscle contractions in ampulla
- Presence of cumulus cells surrounding oocyte at ovulation
- Oocyte’s own movement
Bicornual transverse presentation is more common in
- cows
- buffaloes
- mares
- ewes
- sows