10-sinf Biologiya olimpiada №1 Dekabr 7, 2021Aprel 29, 2022 da chop etilgan InfoMaster tomonidan 10-sinf Biologiya olimpiada №1 ga 16 fikr bildirilgan 0 12345678910111213141516171819202122232425 10-sinf Biologiya olimpiada №1 2021-yil tuman bosqichida tushgan savollar. 1 / 25 1. Qaysi javobda olma (a) va qulupnay (b)ning o‘zaro farqi to‘g‘ri berilgan? 1) ra’noguldoshlar oilasiga mansub; 2) bargi oddiy; 3) bargi murakkab; 4) yonbargchali; 5) yonbargchasiz; 6) soxta mevali; 7) chin mevali A) a-7; b-6 B) a-2; b-3 C) a-1, 4; b-3, 5 D) a-1, 4, 6; b-2, 5, 7 2 / 25 2. Quyidagilarning qaysi birida odamning kichik qon aylanish doirasida qon harakati yo‘nalishi to‘g‘ri ko‘rsatilgan? 1) chap qorinchadan arteriyaga; 2) o‘pka arteriyasidan o‘ng bo‘lmachaga; 3) kovak venadan o‘ng bo‘lmachaga; 4) o‘pka venasidan chap bo‘lmachaga; 5) o‘ng qorinchadan arteriyaga; 6) o‘pka venasidan o‘pkaga A) 2, 6 B) 2, 5 C) 4, 5 D) 1, 3 3 / 25 3. Daltonizm, ya’ni rang ajrata olmaslik retsessiv holda irsiylanadi. Agar erkak daltonizm bilan kasal bo‘lsa, spermatogenez jarayonida bitta birlamchi jinsiy hujayradan hosil bo‘lgan spermatozoidlarning nechtasi shu retsessiv genga ega bo‘lmaydi? A) 4 ta B) 1 ta C) 2 ta D) 3 ta 4 / 25 4. Treska uchun xos xususiyatlarni belgilang. 1) yurak qorinchasida venoz qon oqadi; 2) bir necha million tuxum qo‘yadi; 3) yon chiziqlari bor; 4) ayirish sistemasiga tasmasimon buyrak kiradi; 5) orqa ichak kengayib, kloaka hosil qiladi; 6) to‘sh suyagi yo‘q; 7) qovurg‘alari bo‘lmaydi; 8) urug‘lanishi tashqi; 9) tuxumlarini orqasida opichlab olib yuradi. A) 1, 3, 5, 9 B) 3, 7, 8, 9 C) 3, 4, 5, 8 D) 1, 2, 6, 8 5 / 25 5. Ituzumdoshlar oilasi vakillarining burchoqdoshlar oilasi vakillaridan farqlarini toping. 1) gultojbarglari qo‘shilgan; 2) gullari gajak to‘pgulda joylashgan; 3) gulkosachabarglari 5 ta, qo‘shilgan; 4) gultojbarglari 3 xil; 5) daraxt formalar uchraydi; 6) bitta umumiy gulbandida bir nechta gul joylashadi; 7) changchilari gultojbarglarning qo‘shilishidan hosil bo‘lgan nay ichida joylashgan A) 3, 6, 7 B) 1, 3, 6 C) 2, 7 D) 4, 5 6 / 25 6. Xordali hayvonlarda quyidagi evolyutsion yuksalishlarning paydo bo‘lish ketma – ketligini to‘g‘ri va to‘liq tartibda yozing. 1) miya qutisining paydo bo‘lishi; 2) diafragmaning paydo bo‘lishi; 3) nerv nayining paydo bo‘lishi; 4) katta va kichik qon aylanish sistemasining paydo bo‘lishi; 5) uchinchi qovoqning paydo bo‘lishi A) 1, 4, 5, 2, 3 B) 5, 2, 3, 1, 4 C) 3, 1, 4, 5, 2 D) 2, 3, 1, 4, 5 7 / 25 7. Qaysi o‘zbek olimi achitqi zamburug‘larini o‘rganib, novvoychilik, chorvochilikda achitqilar tayyorlash tenologiyasini yaratgan A) M.Mavloniy B) V.Qobilov C) B.Abdug'afurov D) A.Aliqoriyeva 8 / 25 8. Yog‘larni parchalovchi fermentni aniqlang? A) Proteaza B) Amilaza C) Lipaza D) Karbogidraza 9 / 25 9. Bir sinfga mansub o‘simliklar navlarini aniqlang. A) Zarafshon, Buxoro-9, Sanzor B) Vatan, Sanzor, Omad C) Yulduz, Toshkent-1, Ulug‘bek-600 D) Zarg‘aldoq, Nimrang, Samarqand-3 10 / 25 10. Go‘shti uchun ovlanadigan molluska (a) va qisqichbaqasimon (b) larni aniqlang. A) a-osminog, kalmar, karakatitsa; b-bitiniya, tridakna, dresera B) a-ustiritsa, krab, osminog; b-kalmar, karakatitsa, krevetka C) a-ustiritsa, midiya, taroqcha; b-omar, langust, krevetka D) a-midiya, taroqcha, langust; b-mangust, krevetka, krab 11 / 25 11. Sersut qoramol zotlarini belgilang. A) Bushuyev, Yaroslavl B) Qozog‘iston oqboshi, Xolmogor C) Qizil dasht, Shvits D) Kostroma, Bushuyev 12 / 25 12. Sholg‘om o‘simligi hayotining ikkinchi yilida qaysi vegetativ organlarni hosil qiladi? A) ildiz, barg, gul B) gul, meva, urug‘ C) poya, barg D) to‘pbarg, ildizpoya 13 / 25 13. Quyida ovqat hazm qilish sistemasi og‘iz teshigi, halqum, qizilo‘ngach, ikki bo‘lmali oshqozon, ichak, jigar va anal teshigidan iborat bo‘lgan nechta hayvon turi berilgan. 1) midiya; 2) bitiniya; 3) krab; 4) tridakna; 5) omar; 6) krevetka; 7) dreysena; 8) langust A) 2 tur B) 3 tur C) 5 tur D) 1 tur 14 / 25 14. Qon aylanish sistemasi ochiq, chuchuk suvda hayot kechiruvchi organizmlarni aniqlang. 1) baqachanoq; 2) tridakna; 3) gulmoy; 4) keta; 5) langust; 6) siklop; 7) dafniya. A) 1, 3, 6, 7 B) 1, 6, 7 C) 2, 5 D) 1, 2, 5, 6, 7 15 / 25 15. Qaysi o‘simliklarning bargi oddiy yonbargchasiz (a) va murakkab yonbargchali (b) bo‘ladi? 1) ismaloq; 2) yantoq; 3) keyreuk; 4) tok; 5) partenotsissus; 6) kanop; 7) no‘xat; 8) yeryong‘oq A) a – 1, 2, 3; b – 7, 8 B) a – 1, 3; b – 5, 7, 8 C) a – 4, 6; b – 5, 8 D) a – 2, 3, 4; b – 5, 7, 8 16 / 25 16. Asosan o‘simlik mahsulotlarida uchraydigan vitaminni belgilang. A) D B) C C) A D) B 17 / 25 17. Lansetnik embrionidagi blastomerlar 64 taga yetishi uchun hujayralar necha marta meridianal va ekvatorial bo‘linishi kerak? A) 4 va 3 B) 2 va 1 C) 5 va 3 D) 4 va 2 18 / 25 18. Daltonizm, ya’ni rang ajrata olmaslik retsessiv holda irsiylanadi. Agar erkak daltonizm bilan kasal bo‘lsa, spermatogenez jarayonida bitta birlamchi jinsiy hujayradan hosil bo‘lgan spermatozoidlarning nechtasi shu retsessiv genga ega bo‘lmaydi? A) 2 ta B) 1 ta C) 3 ta D) 4 ta 19 / 25 19. Korall poliplar nimalardan kelib chiqqan? A) bir xujayrali xivchinlilardan B) gidrasimonlardan C) meduzalardan D) yassi chuvalchanglardan 20 / 25 20. DNK fragmenti tarkibida jami 960 ta vodorod bog‘i mavjud. Adenin va timin orasidagi vodorod bog‘lar soni guanin va sitozin orasidagi vodorod bog‘lari soniga nisbati mos ravishda 1:1,5. Agar shu DNK tarkibidagi nukleotidlarning 25%i mutatsiyaga uchrab yo‘qolsa, DNK tarkibidagi mutatsiyadan keyingi nukleotidlar sonini nechtaga kamaygan? A) 192 B) 125 C) 210 D) 196 21 / 25 21. G‘alla navini aniqlang. A) sanzor B) zarg‘aldoq C) nimrang D) gultish 22 / 25 22. Diploid navli makkajo‘xori changdonida dastlabki jinsiy hujayralar soni 1260 ta. Bu hujayralar meyoz va mitoz usulda bo‘lindi. Urug‘lanish jarayonida makkajo‘xori spermiylarining 40%i qatnashgan bo‘lsa, urug‘lanish jarayonida qatnashmagan spermiylardagi xromosomalar sonini aniqlang. A) 60480 B) 60512 C) 80280 D) 70580 23 / 25 23. Sog‘lom odam umurtqa pog‘onasining kifozida (orqa tomonga egilma) nechta umurtqa suyaklari qatnashadi? A) 17 B) 5 C) 12 D) 7 24 / 25 24. Bug‘doy donining rangi 2 ta noallel gen (A1 va A2) ta’sirida rivojlanadi. Qizil va oq rangli bug‘doylar o‘zaro chatishtirilsa, F2 da hosil bo‘lgan och qizil (a) va och pushti bug‘doylar (b) necha xil genotipga ega bo‘ladi? A) a-2; b-3 B) a-3; b-4 C) a-2; b-2 D) a-3; b-3 25 / 25 25. Shimpanze somatik hujayrasi mitoz siklining G2 davrida yardo tarkibidagi DNK (a) va xromosoma (b) sonini aniqlang. A) a-108; b-48 B) a-76; b-41 C) a-48; b-96 D) a-96; b-48 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 Author: InfoMaster Biologiya olimpiada
The Companies That Are The Least Well-Known To Monitor In The Table Top Freezers For Sale Industry 3222914.xyz
Nine Things That Your Parent Taught You About Double Glazing Deals Near Me double glazing deals near me
10 Things You’ve Learned In Kindergarden They’ll Help You Understand Semi Truck Legal semi truck accident lawsuits (cheekcoil41.werite.net)
5 Qualities People Are Looking For In Every Online
Shop Designer Suits Construction Caulking Gun
20 Trailblazers Are Leading The Way In Locksmith Near Me For
Cars elsycrays
10 Things We Love About Free Standing Fireplace lynnbolvin
A Provocative Remark About Online Retailers Uk
Stats Aquarium Water Clarity Solutions (vimeo.com)
Why Is Mesothelioma Law Firm So Popular? Mesothelioma Lawyer
The Companies That Are The Least Well-Known To Monitor In The Table Top Freezers
For Sale Industry 3222914.xyz
7 Simple Secrets To Totally Refreshing Your Semi Truck Litigation Semi Truck Accident Lawyers
It’s The Complete Guide To Bunk Beds For Adults eddafay
Find Out What Boat Accident Lawyer Tricks The Celebs Are Using Boat Accident Lawyers
Nine Things That Your Parent Taught You About Double Glazing Deals Near Me double glazing deals near me
10 Quick Tips For Panels For Upvc Doors Upvc Windows Doors
10 Things You’ve Learned In Kindergarden They’ll Help You Understand Semi Truck Legal semi truck accident lawsuits (cheekcoil41.werite.net)
Demo Slot Zeus Vs Hades Pragmatic Tools To Make Your Everyday
Life oscarreys
How To Setup The R4 Ds Card 전세자금 대출
Five Killer Quora Answers On Mesothelioma Attorney mesothelioma
settlement (https://wed.solidyn.in)
See What Fela Law Firm Tricks The Celebs Are Utilizing fela law firm