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Reproduction : The Structure Of The Ovary & The Steps Of Oogenesis
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Questions in this quiz (13)
1Oogenesis begins in the ___ of the ___ ___ birth, but the final development of ___ is only completed in ___.
- Aovaries | fetus | before | oocytes | adult life
- Buterus | fetus | before | ova | puberty
- Covaries | embryo | after | oocytes | adult life
- Doviduct | fetus | after | oogonium | fertilisation
2The ___ which lines the ___ surface of the ___, ___ by ___ cell division to form numerous ___.
- Agerminal epithelium | outer | ovary | divides | mitotic | oogonia
- Bsertoli cells | outer | uterus | divides | mitotic | ova
- Cgerminal epithelium | inner | ovary | multiplies | nuclear | oogonia
- Dprimary follicle | inner | oviduct | divides | nuclear | oocytes
3These cells migrate into the ___ of the ___, where they grow and ___ to form ___, and each of these then becomes surrounded by layers of ___ cells and the whole structure is called a ___.
- Aconnective tissue | ovary | enlarge | oocytes | follicle | primary follicle
- Bconnective tissue | ovary | enlarge | ova | follicle | secondary follicle
- Cmuscle tissue | ovary | diminish | oocytes | nutritive | primary follicle
- Dmuscle tissue | uterus | explode | oogonia | follicle | primary follicle
4By ___, production of ___ in the ___ ceases and by this stage there are several million in each ___.
- Amid-preganancy | oogonia | fetus | ovary
- Bmid-pregnancy | ova | fetus | oviduct
- Cthe end of the preganancy | oogonia | embryo | ovary
- Dthe end of fertilisation | oooocytes | fetus | uterus
5Very ___ ___ ___, which is a process that ___.
- Amany | oogonia | degenerate | continues throughout life
- Bfew | oogonia | regenerate | end after fertilisation
- Cmany | ova | are lost | continues until puberty
- Dfew | oocytes | die | continues only throughout childhood
6At the onset of ___ about ___ ___ remain and ___ than 1% of these ___ will complete their development; the remainder ___ become ___ or ___.
- Apuberty | 250 000 | primary oocytes | less | follicles | never | secondary oocytes | ova
- Badult life | 50 000 | oogonia | less | follicles | never | secondary oocytes | primary oocytes
- Cpuberty | 200 000 | secondary oocytes | more | follicles | always | secondary oocytes | ooogonia
- Dadult life | 25000 | primary oocytes | more | follicles | never | primary oocytes | ova
7Between ___ and the cessation of ___ at ___, ___ begin to develop further and several start to grow each ___, but usually ___.
- Apuberty | ovulation | menopause | primary follicles | month | only one matures
- Bfertilisation | oogenesis | puberty | secondary follicles | month | only two mature
- Cpuberty | oogenesis | fertilisation | primary follicles | year | only one matures
- Dgametogenesis | ovulation | menopause | secondary follicles | month | only a few mature
8Development of ___ follicles involves ___ enlargement, and at the same time they move to the ___ part of the ___ and then undergo ___.
- Aprimary | progressive| outer | ovary | meiosis I
- Bsecondary | progressive | outer | uterus | meiosis I
- Cprimary | systematic | inner | ovary | meiosis II
- Dsecondary | chemical | inner | uterus | meiosis II
9In ___ the ___ division of the ___ follicle is ___ and forms a ___ and a ___.
- Ameiosis I | cytoplasmic | primary follicle | unequal | tiny polar body | secondary oocyte
- Bmeiosis II | cytoplasmic | secondary follicle | unequal | large polar body | ova
- Cmeiosis I | mitotic | primary follicle | unequal | tiny polar body | primary oocyte
- Dmeiosis I | cytoplasmic | secondary follicle | equal | tiny polar bear | secondary oocyte
10After meiosis I, meiosis II begins ___.
- Abut it doesn't go to completion
- Bbut it goes round twice
- Cbut it often breaks down before completion
- Dand it goes to completion
11In its uncompleted condition, the ___ which is still a ___ is ___ from the ___ ( ___ ) by ___ of the ___.
- Aegg cell | secondary oocyte | released | ovary | ovulation | rupture | follicle wall
- Bprimary follicle | secondary oocyte | released | oviduct | ovulation | poor quality | follicle wall
- Cegg cell | tiny polar body | released | uterus | ovulation | rupture | ovary wall
- Dovum | secondary oocyte | dropped | ovary | ovulation | break down | cell wall
12___ occurs from one of the two ___ about ___ every __ days; meanwhile the remains of the ___ immediately develop into the yellow body, the ___ which is an additional but temporary ___ with a role to play if fertilisation occurs.
- AOvulation | ovaries | once | 28 | primary follicle | corpus luteum | endocrine gland
- BFertilisation | ovaries | once | 8 | primary follicle | corpus leutenant | exocrine gland
- COvulation | ovaries | twice | 28 | secondary follicle | corpus luteum | hindrance
- DOvulation | uterus | once | 27 | primary follicle | gorgeous luteum | endocrine gland
13Highlight the steps of oogenesis:
- AOogonia formed in the embryonic ovaries, long before birth and become surrounded by follicle cells, forming tiny primary follicles and remain dormant within ovary cortex.
- BFrom puberty a few primary oocytes undergo meiosis I to become secondary oocytes each month but only one of these secondary oocytes surrounded by enlarged follicle, forms a graffian follicle and the others degenerate.
- COne ovum is formed from each oogonium (the polar bodies degenerate too) and the Graffian follicle releases secondary oocyte into oviduct at ovulation.
- DMeiosis II reaches prophase and then stops until a male nucleus enters the secondary oocyte, triggering completion of meiosis II.
- EFertilised ovum is non-motile and becomes lodged in the endometrium of the uterus where cell divisions lead to embryo formation.
- FOogonia formed in the time of puberty, throughout adult life and all oogonia develop into ova, nurtured by the nutritive cells of the seminiferous tubules of the ovaries.
- GMillions of primary oocytes are formed daily.
- HFour ova are formed from each oogonium and the Graffian follicle releases secondary oocyte into oviduct by ejaculation.
- IMeiosis I and II go to completion during oogenesis.
- JFertilised ova are small, mobile gametes.
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- IBD Biology (Unit 12 : Human Physiology, Health & Reproduction II) Quiz on Reproduction : The Structure Of The Ovary & The Steps Of Oogenesis, created by cloud.berry on 28/09/2013.
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- cloud.berry
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