רבייה בחולייתנים

Discuss, Learn and be Happy דיון בשאלות

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Pyospermia means: (... in the semen)

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שאלה #148633

done		pus or white blood cells in the semen
		blood in the semen
		urine in the semen
		sand in the semen
		bacteria in the semen

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מיין לפי דירוג חדש ישן

Which of the following organs is not located in the brain:

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שאלה #148634

done		granulosa cells
		hypothalamus
		hypophysis
		pineal gland
		surge center

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מיין לפי דירוג חדש ישן

Semen deposited in the cranial vagina in which of the following?

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שאלה #148636

done		queen (female cat)
		sow (female pig)
		mare (female horse)
		llama
		alpaca

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מיין לפי דירוג חדש ישן

The solution for semen loss by backflow out of the reproductive system in bulls, is:

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שאלה #148637

done		highly concentrated sperm in the semen
		consolidation of the semen in the vagina
		leaving the penis in the female's vagina for a long time
		high semen volume
		expansion of the cervix

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מיין לפי דירוג חדש ישן

Which of the extraembryonic membranes is not vascularized (with blood vessels):

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שאלה #148638

done		the amnion
		the allantois
		the chorion
		the yolk sac
		the placenta

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מיין לפי דירוג חדש ישן

Which of the following have a hemochorial placenta:

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שאלה #148639

done		primates and rodents
		bitches (female dogs)
		sows (female pig)
		mares (female horse)
		ruminants

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מיין לפי דירוג חדש ישן

In which of the following species the placenta does not take over production of progesterone during pregnancy?

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שאלה #148640

done		goat
		cow
		sheep
		mare
		human

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מיין לפי דירוג חדש ישן

Pregnancy diagnosis in the mare can be performed using ultrasonography:

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שאלה #148641

done		on the 10th day of pregnancy
		on the second month of pregnancy
		on day 45 of pregnancy
		on the 4th month of pregnancy
		on the 25th of pregnancy

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מיין לפי דירוג חדש ישן

In relation to reproductive forms and parenting - polygyny means:

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שאלה #148642

done		one male mates with many females and usually the females take care of the offsprings
		the male and the female ae exclusive partners for life and foe parenting
		one female mates with several males
		any sex mates with any sex, and any sex can be parent
		many males and many females mate and raise offsprings

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מיין לפי דירוג חדש ישן

Offsprings of birds that remain in the nest for a long time:

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שאלה #148643

done		need much parental care
		are born with down (fine bird feather)
		are born with open eyes
		hatch after long incubation
		feed themselves on their own

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מיין לפי דירוג חדש ישן

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