10-sinf Biologiya olimpiada №2 Iyun 12, 2022Avgust 19, 2024 da chop etilgan InfoMaster tomonidan 10-sinf Biologiya olimpiada №2 ga 8 fikr bildirilgan 0 12345678910111213141516171819202122232425 Tomonidan yaratilgan InfoMaster 10-sinf Biologiya olimpiada №2 2019-yil tuman bosqichida tushgan savollar. 1 / 25 1. Osh piyoz o‘simligi qaysi bo‘lim va turkumga tegishli ekanligini aniqlang (mos ravishda). A) magnoliyatoifa, piyoz B) lolasimon, bosh piyoz C) magnoliyasimon, piyoz D) bir urug‘pallalilar, lola 2 / 25 2. Asosan o‘simlik mahsulotlarida uchraydigan vitaminni belgilang. A) D B) A C) C D) B 3 / 25 3. Palma (a), perlovitsa (b) va amyoba (c) ga tegishli ma’lumotlarni to‘g‘ri juftlang. 1) avtotrof organizm; 2) prokariot organizm; 3) umurtqali hayvon; 4) eukariot organizm; 5) geterotrof organizm; 6) umurtqasiz hayvon A) a - 3; b - 4; с - 1 B) a - 4; b - 5; с – 2 C) a - 4; b - 6; с – 5 D) a - 2; b - 1; с - 5 4 / 25 4. Mitozni anafazasi va meyozni anafaza II si uchun umumiy bo`lmagan xususiyatlarni aniqlang. 1.bo`linish urchug`ini qisqarishi 2.xromatinlarni mustaqil xromosomaga aylanishi 3.xromosoma va xromatinlar sonini tenglashishi 4.o`ng qutubga tarqalayotgan ota va onani xromosomasini teng bo`lishi 5. qutubga tarqalayotgan xromosomalarda xromatinlarni bittadan bo`lishi 6. qutubga tarqalayotgan xromosomlar barchasi bir-birga nogomologik bo`lishi 7. qutubga tarqalayotgan xromosomalarda xromatinlarni ikkitadan bo`lishi 8.2n2c bo`lishi 9.bir-birga o`xshash xromosomalarni 4 tadan bo`lishi A) 4,5,7,9 B) 7,6,3,4 C) 8,9,2,4 D) 6,8,4,9 5 / 25 5. Oshqovoq mevasining og`irligi ikki juft kumulativ polimer genlar ta`sirida irsiylanadi. Agar 2 juft dominat gendan iborat bo`lsa 4kg, agar 2 juft retsissev gendan iborat bo`lsa 1,2kg bo`lsa, A1a1A2a2 va A1a1A2a2 chatishtirilganda olingan o`simliklar orasida ajralish ro`y beradigan mevasi eng yengil o`simliklar sonini aniqlang. A) 2 B) 8 C) 6 D) 4 6 / 25 6. Tana massasi qancha (a) bo‘lgan odam bir kech-kunduzda asosiy moddalarni taminlash uchun 1920 kkal energiya sarflangan. Shu odam tana xarorati doimiyligini taminlash uchun bir sutkada 1400 kkal energiya sarflangan bo‘lsa, bu odam ozuqa moddalardan parchalangan energiyasi miqdori qancha (b) va to‘qim va organlarni hayotiy jarayonlarini taminlash uchun (c) qancha energiya sarflanadi? A) a-75 kg; b-3000 kkal; c-2000 kkal B) a-80 kg; b-4200 kkal; c-1400 kkal C) a-75 kg; b-3600 kkal; c-1200 kkal D) a-80 kg; b-4200 kkal; c-2800 kkal 7 / 25 7. E.coli hujayrasining qaysi tuzilmasi nuklein kislotaga ega? 1) ribosoma; 2) yadro; 3) endoplazmatik to’r; 4) plastida; 5) go’lji; 6) plazmida; 7) sentriola A) 6, 7 B) 2, 5 C) 1.6 D) 3, 4 8 / 25 8. Markaziy nerv sistemasida faqat miyachasida burmalari bo‘lgan hayvonlarni aniqlang. 1) qizilquyruq; 2) malla revun; 3) laylak; 4) kakku;5) gornostay; 6) kaptar; 7) Grenlandiya tyuleni A) 1, 2, 7 B) 2, 5, 7 C) 1, 3, 4, 6 D) 2, 5, 6 9 / 25 9. Odam qon aylanish sistemasining qaysi qismlari karbonat angidridga to‘yingan qon harakatini ta’minlaydi?. 1) ikki tavaqali klapin; 2) chap qorincha bilan o‘pka aortasi o‘rtasidagi yarimoysimon klapan; 3) uch tavaqali klapan; 4) o‘ng qorincha bilan o‘pka aortasi o‘rtasidagi yarimoysimon klapan; 5) pastki kovak vena; 6) o‘pka arteriyasi; 7) buyrak arteriyasi; 8) o‘pka venalari. A) 3, 4, 6 B) 3,4, 8 C) 5, 6, 7 D) 1, 2, 8 10 / 25 10. Endokrin sistemaga xos bo‘lgan xususiyatlarni belgilang. 1) ayrisimon bezning chaqaloqdagi massa 12 gr; 2) gipofiz o‘rta miya asosida turk egarchasi sohasida joylashgan; 3) epifiz bezidan intermidin gormoni ajralib chiqadi; 4) gipofiz faoliyati gipotalamusdagi neyrogormonlar ta’sirida boshqariladi; 5) gipotireoz kasalligida nerv tizimi qo‘zg‘aluvchanligi ortadi; 6) Bazedov kasalligida uyquszlik, yurak o‘ynashi kabi holatlar kuzatiladi; 7)katexolamin to‘qimalarda moddalar almashinuvini kuchaytiradi; 8)gipofizning orqa bo‘lagidan ADG gormoni ajraladi; 9) buyrakusti bezining po‘stloq qavatidan yurak faoliyatiga ta’sir etadigan gormonlar ajraladi; 10) qalqon orqa bezining massasi 0,2 gr ni tashkil etadi. A) 2, 4, 5, 8, 9 B) 1, 4, 6, 8, 9 C) 1,4, 6, 7, 8 D) 2, 3, 5, 9, 10 11 / 25 11. Oshqovoq mevasining og`irligi ikki juft kumulativ polimer genlar ta`sirida irsiylanadi. Agar 2 juft dominat gendan iborat bo`lsa 4kg, agar 2 juft retsissev gendan iborat bo`lsa 1,2kg bo`lsa, A1a1A2a2 va A1a1A2a2 chatishtirilganda olingan o`simliklar orasida ajralish ro`y beradigan mevasi eng og`ir o`simliklar sonini aniqlang. A) 2 B) 4 C) 6 D) 8 12 / 25 12. 3-bosqichda 144 malekula ATF hosil bo`lgan bo`lsa, 2-bosqicha ATF da to`plangan energiya(kj) miqdorini(a) va shu vaqtda xloraplastlarda sintezlanga ATF mol miqdorini(b) aniqlang. A) a-8, b-8640 B) a-5, b-2700 C) a-2, b-1080 D) a-7, b-5040 13 / 25 13. Paratgarmon kam ishlab chiqarilganda (a), juda kam ishlab chiqarilganda (b) va ko‘p ishlab chiqarilganda (c) bo‘ladigan o'zgarishlarni juftlang. 1) nerv-muskul tizimining qo‘zg‘aluvchanligi ortadi; 2) odamning qovoqlari, lablari pirpirab uchadi; 3) tez charchaydi; 4) qoilari qaltiraydi; 5) sochlari to‘kiladi; 6) tana muskullari bo‘shashib qoladi; 7) suyaklar yumshab, egiluvchan, mo‘rt bolib qoladi; 8) odam tanasining umumiy qaltirashi; 9) nerv-muskul sistemasining qo‘zg‘aluvchanligi pasayib; 10) odam umumiy holsizlanadi. A) a-9, 2, 3, 4; b-9, 5, 7, 8; c-1, 3, 6 B) a-1, 2, 4; b-5, 1, 8, 7; c-10, 3, 9, 6 C) a-1, 2,4; b-5, 1, 8, 7, 10; c-3, 9, 6 D) a-lv2,4, 10; b-1, 5, 7, 8; c-3, 9, 6 14 / 25 14. Ko‘lbuqada ovogenez jarayonida kuzatiladigan hodisalar qaysi javobda to‘g‘ri berilgan? 1) ko‘payish davrida reduplikatsiya sodir bo‘ladi; 2) 4 ta gaploid to'plamga ega hujayra hosil bo‘ladi; 3) hujayralarning 50% i jinsiy Y xromosomaga ega; 4) o‘sish davrida hujayralarda translyatsiya kuzatilmaydi; 5) hujayralarning barchasi jinsiy X xromosomaga ega bo‘ladi; 6) ko‘payish davrida diploid to‘plamga ega hujayralar hosil bo’ladi A) 3.6 B) 4, 5 C) 2, 4 D) 1, 5 15 / 25 15. Qaysi javobda oshqozoni to‘rt kamerali tuyoqli hayvonlarto‘g‘ri ko‘rsatilgan? 1) arxar; 2) maral; 3) zubr; 4) qulon; 5) g‘izol; 6) tapir;7) muflon; 8) tarpan; 9) bizon; 10) xongul; 11) karkidon;12) sayg‘oq. A) 3, 6, 7, 8, 10 B) 1, 4, 5, 9, 11 C) 1, 3, 6, 8, 11, 12 D) 2, 5, 7, 9, 12 16 / 25 16. Postembranal davri to`gri kechmaydigan(a) va to`g`ri kechuvchi(b) organizmlarni ko`rsating. 1.kolorada qo`ng`izini barg ostiga tuxum qo`yishi 2.yomg`ir chuvalchangini tuxum qo`yishi 3.o`rgimchakni tuxumini pilla ichiga qo`yishi 4.kurapatkani rangi yozda qo`ng`ir bo`lishi qishda oq rangda bo`lishi 5.tut ipak qurtini pillaga o`ralishi 6.asal arini tuxumini mumdan yasalgan katakchalarga qo`yishi A) a-2,3,4 b-1,5,6 B) a-2,4,6 b-1,3,5 C) a-1,5,6 b-2,3,4 D) a-2,4,5 b-1,3,6 17 / 25 17. Eukariot(a) va prokariot(b) organizm hujayrasiga tegishli bo`lgan ma`lumotlarni juftlang. 1.transkripsiya va translatsiya jarayoni sitoplazmada kechishi 2.ossilatoriya xromatoplazmasida xlorafil donachalari joylashgan bo`lib uglevod sintez qilishda qatnashadi 3.dezoksiribonukleotidi membrana ichida bo`lishi 4.bo`linish urchug`ini hujayra markazi hosil qilishi 5.yog`ni silliq endoplazmatikto`rda sintezlanishi 6.hujayrani mezasomaga ega bo`lishi A) a-4,5,6 b-1,2,3 B) a-1,2,5 b-3,4,6 C) a-3,4,5 b-1,2,6 D) a-3,2,6 b-1,4,5 18 / 25 18. Xo`rozlarning bo`ynida patning bo`lmasligi qaysi hodisaga kiradi? A) fenotipik-modifikatsion B) genotipik-rekombinativ C) fenotipik-ontogenetik D) genotipik-mutatsion 19 / 25 19. G`o`za, bug`doy, askarida, yomg`ir chuvalchangi kabi organizmlarning poliploid turlarini uchrashi qaysi hodisaga kiradi? A) genotipik-rekombinativ B) fenotipik-modifikatsion C) genotipik-mutatsion D) fenotipik-ontogenetik 20 / 25 20. Prokariot(a) va eukariot(b) organizm hujayrasiga tegishli bo`lgan ma`lumotlarni juftlang. 1.transkripsiya va translatsiya jarayoni sitoplazmada kechishi 2.ossilatoriya xromatoplazmasida xlorafil donachalari joylashgan bo`lib uglevod sintez qilishda qatnashadi 3.dezoksiribonukleotidi membrana ichida bo`lishi 4.bo`linish urchug`ini hujayra markazi hosil qilishi 5.yog`ni silliq endoplazmatikto`rda sintezlanishi 6.hujayrani mezasomaga ega bo`lishi A) a-1,2,5 b-3,4,6 B) a-3,6,2 b-1,4,5 C) a-1,2,6 b-3,4,5 D) a-4,5,6 b-1,2,3 21 / 25 21. Sariq ilonning chipor ilondan farqlanuvchi belgilarni juftlab ko‘rsating. 1) uchta qovog‘i mavjud; 2) tangachalilar turkumiga kiradi;3) tullaganda terisi yaxlit ko‘chib tushadi; 4) yuqorigi vapastki jag‘ cho‘ziluvchan paylar bilan birikkan; 5) oyog‘I bo‘lmaydi; 6) tullaganda terisi parcha-parcha bo‘lib ko‘chadi;7) ayrili tili tuyg‘u va ta’m bilish organi hisoblanadi; 8) boshskeletlilar kenja tipiga kiradi; 9) sovuqqonli hayvon A) 3, 8 B) 4, 5, 7 C) 1, 6 D) 2, 8, 9 22 / 25 22. Oldingi oyoqlari besh (a), to‘rt (b) va uch (c) barmoqlibo‘lgan organizmlarni ko‘rsating. 1) urchuqsimon kaltakesak; 2) povituxa; 3) gaaga; 4) kazuar; 5) kvaksha; 6) gekkon; 7) gavial; 8) emu A) a-6, 7; b-2, 5; c-4, 8 B) a-2, 6; b-5, 7; c-3, 8 C) a-6, 7; b-3, 4; c-2, 5 D) a-1, 6, 8; b-7; c-3, 4 23 / 25 23. Qushlarga xos bo‘lgan xususiyatlarni ko‘rsating. 1birinchi tartib patlari bilak suyaklariga birlashgan; 2) tishlari bo‘lmaydi; 3) to‘ti kabi qushlarda ikkinchi signal sistemasi shakllangani uchun, og‘zaki nutq mavjud; 4) arxeopteriksning toshga aylangan suyak va patlari topilgan; 5) tuyaqushning erkagining patlari qora, dumi va qanotlarining uchidagi patlari kulrang; 6)qushlarni xatti-harakati bosh miyasining oldingi yarimsharlari bilan bo‘ladi; 7) o‘ng bo‘lmacha sistolasi vaqtida arterial qon o‘ng qorinchaga o‘tadi; 8) gastruliyatsiya jarayoni qat-qat bo‘lib embrion varaqlari hosil boiadi; 9) bulbullar tropic Afrika va Janubiy Osiyoda qishlaydi; 10) ichak epiteliysi embrionning endoderma qavatidan rivojlanadi. . A) 1, 3, 5, 7, 9 B) 2, 3, 5, 8, 10 C) 1,4, 6, 7, 9 D) 2,4, 6, 8, 10 24 / 25 24. Xorda butun umri davomida saqlanadigan umurtqalilarni toping? 1.beluga; 2.latcha; 3.oq amur; 4.qizilquyruq; 5.agama; 6.gekkon; 7.lansetnik; 8.oqbiqin; 9.strelyad A) 1,7,9 B) 1,4,3,7 C) 7 D) 8,9,7,1 25 / 25 25. Juft (a) va toq (b) ayirish organlariga ega bo‘lgan organizmlarni ko‘rsating. 1) letyaga; 2) kalmar; 3) ay-ay; 4) kanna; 5) bitiniya; 6) tridakna; 7) dafniya; 8) nereida; 9) dreysena; 10) perlovitsa; 11) semga. A) a-1,4, 7, 8,11; b-2, 3, 5, 6, 9, 11 B) a-1, 3, 4,7,8; b-2, 5, 6, 9,10, 11 C) )a-1, 3, 7, 8; b-2,4, 5, 6, 9, 10, 11 D) a-1, 3,4,7,8, 11; b-2, 5, 6,9, 10 0% Testni qayta ishga tushiring Baholash mezoni 86%-100% 5 baho 71%-85% 4 baho 56%-70% 3 baho 55% va kamiga 2 baho Fikr-mulohaza yuboring tomonidan Wordpress Quiz plugin Biologiya olimpiada, Tuman 2019-2020 o'quv yili
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