10-sinf Biologiya olimpiada №3 Oktabr 24, 2022Avgust 19, 2024 da chop etilgan InfoMaster tomonidan 10-sinf Biologiya olimpiada №3 ga 9 fikr bildirilgan 0 123456789101112131415161718192021222324 Tomonidan yaratilgan InfoMaster 10-sinf Biologiya olimpiada №3 2022-yil 13-oktabr: 2022-2023 o'quv yili tuman bosqichida tushgan savollar! 1 / 24 1. Osh piyoz o‘simligi qaysi bo‘lim va turkumga tegishli ekanligini aniqlang (mos ravishda). A) magnoliyatoifa, piyoz B) bir urug‘pallalilar, lola C) magnoliyasimon, piyoz D) lolasimon, bosh piyoz 2 / 24 2. Sog‘lom odam umurtqa pog‘onasining kifozida (orqa tomonga egilma) nechta umurtqa suyaklari qatnashadi? A) 17 B) 7 C) 12 D) 5 3 / 24 3. 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-80 kg; b-4200 kkal; c-2800 kkal B) a-75 kg; b-3600 kkal; c-1200 kkal C) a-75 kg; b-3000 kkal; c-2000 kkal D) a-80 kg; b-4200 kkal; c-1400 kkal 4 / 24 4. Batsilla hujayrasining qaysi tuzilmasi nuklein kislotaga ega? 1) ribosoma; 2) yadro; 3) endoplazmatik to’r; 4) plastida; 5) go’lji; 6) plazmida; 7) sentriola A) 1.6 B) 3, 4 C) 2, 5 D) 6, 7 5 / 24 5. G`o`za, bug`doy, askarida, yomg`ir chuvalchangi kabi organizmlarning poliploid turlarini uchrashi qaysi hodisaga kiradi? A) genotipik-mutatsion B) genotipik-rekombinativ C) fenotipik-ontogenetik D) fenotipik-modifikatsion 6 / 24 6. Ko‘sak mevaga ega bo‘lgan oddiy gulqo‘rg‘onli o‘simliklarni aniqlang. 1) oqquray; 2) chuchmoma; 3) boychechak; 4) lola; 5) bangidevona; 6) g‘o‘za. A) 5, 6 B) 2, 3 C) 1, 3 D) 2, 6 7 / 24 7. Qaysi javobda vabo kasalligi qo‘zg‘atuvchisiga xos xususiyat keltirilgan? A) DNK si gistonli oqsillar bilan kompleks hosil qiladi B) organik moddalarni anorganik moddalardan sintez qiladi C) mitoxondriyalarida ATF sintezlanadi D) transkripsiya jarayoni sitoplazmada amalga oshadi 8 / 24 8. Quyidagi organizmlarning diploid hujayrasida 2 va 5-juft gomologik xromosmolarining har biri bittaga kamaysa, ular kariotipida nechta xromosoma bo‘ladi? a) makkajo‘xori; b) suvarak; c) qalampir A) a-20; b-44; c-44 B) a-16; b-50; c-50 C) a-18; b-46; c-46 D) a-22; b-50; c-50 9 / 24 9. Sariq silliq donli (AaBb) no‘xatlarda tahliliy chatishtirish o‘tkazilganda qanday natijalar olinadi? 1) har ikki belgi bo‘yicha dominant genga ega organizmlar 50%ni tashkil qiladi; 2) fenotip bo‘yicha nisbat 1:1:1:1 bo‘ladi; 3) organizmlarning 1/4 qismi ikkinchi belgi bo‘yicha retsessiv gomozigota bo‘ladi; 4) genotip bo‘yicha ota-onaga o‘xshash organizmlar 50%ni tashkil qiladi; 5) dominant digomozigota organizm hosil bo‘ladi A) 1, 2 B) 2, 4 C) 3, 5 D) 2, 3 10 / 24 10. Gastrula jarayoni blastula devorining qat-qat joylashuv yo‘li bilan amalga oshadigan sovuqqonli organizmlarni aniqlang. 1) iguana; 2) kivi qushi; 3) alligator; 4) tustovuq; 5) lira qushi; 6) emu; 7) nandu; 8) xameleon. A) 5, 7 B) 1, 8 C) 2, 3 D) 4, 6 11 / 24 11. Bevosita rivojlanadigan germafrodit organizmlarni (a) va bilvosita rivojlanadigan ayrim jinsli organizmlarni (b) ko‘rsating. 1) korall aspidi; 2) gelikonius; 3) chuchuk suv shillig‘i; 4) qizil chuvalchang; 5) aureliya; 6) perlovitsa; 7) povituxa; 8) nematoda A) a-1, 4; b-2, 6 B) a-3, 4; b-7, 8 C) a-2, 6; b-3, 5 D) a-4, 7; b-1, 8 12 / 24 12. Shimpanze somatik hujayrasi mitoz siklining G2 davridagi DNK (a), xromosoma (b), hujayra markazi (c) va sentriolalar (d) sonini aniqlang. A) a-96; b-96; c-2; d-2 B) a-96; b-48; c-2; d-4 C) a-48; b-48; c-1; d-2 D) a-96; b-48; c-1; d-2 13 / 24 13. Odam organizmidagi timozin garmoniga xos bo‘lgan xususiyatlarni aniqlang? a) organizmda pigment almashinuvni boshqaradi; b) jinsiy bezlarni funksiyasini pasaytiradi; c) limfosit hosil bo‘lishini kuchaytiradi va immunitetni oshiradi; d) qon tomirlarini toraytirib, qon bosimini oshiradi; organizmda kalsiy-fosfor almashinuvini boshqaradi; f) bolalar o‘sishiga ijobiy ta’sir ko‘rsatadi. A) a, b, f B) d, e, c C) a, d, e D) b, c, f 14 / 24 14. Glukoza sintezlanishi (a) va oksidlanishi (b) bilan bog‘liq jarayonlarni aniqlang. 1) CO2 sarflanadi; 2) CO2 hosil bo‘ladi; 3) ATF energiyasi sarflanadi; 4) O2 sarflanadi; 5) ATF sintezlanadi; 6) O2 hosil bo‘ladi; 7) fotoliz jarayoni sodir bo‘ladi A) a – 2, 3, 7; b – 1, 6, 7 B) a – 2, 4, 5; b – 1, 3, 6, 7 C) a – 1, 3, 6; b – 2, 4, 5 D) a – 1, 5, 6; b – 2, 3, 4 15 / 24 15. Autotrof oziqlanish xususiyatiga ega prokariot (a) va eukariot (b) organizmlarni aniqlang. 1) ossillatoriya; 2) oltingugurt bakteriyasi; 3) pichan bakteriyasi; 4) uchqat; 5) nitella; 6) volvoks; 7) midiya; 8) floks; 9) perlovitsa A) a-2, 3; b-6, 7, 8 B) a-2; b-5, 8 C) a-1, 2, 5; b-4, 8 D) a-3; b-7, 9 16 / 24 16. Yeryong‘oq va yerbag‘ir tugmachagulga tegishli umumiy tushunchalarni aniqlang. 1) murakkab barg; 2) hujayra devoriga ega; 3) quruq meva; 4) qiyshiq gul; 5) fitosenoz vakili; 6) murakkab gulqo‘rg‘on A) 3, 4, 6 B) 1, 5, 6 C) 1, 2, 4 D) 2, 3, 5 17 / 24 17. Oddiy amyoba (a), nursimonlar (b), yashil evglena (c), tufelka (d) uchun xos bo‘lgan xususiyatlarni aniqlang. 1) bakteriyalar, mayda suv o‘tlari va organik qoldiqlar bilan oziqlanadi; 2) xromatoforidagi xlorofill pigmenti yordamida fotosintez qiladi; 3) qisqaruvchi vakuolaga ega; 4) kremniy skeletli; 5) hazm qilish va ayirish organoidlari nisbatan murakkab tuzilgan A) a-3; b-4; c-2; d-5 B) a-4; b-1, 5; c-1, 3; d-2 C) a-1, 2; b-4; c-5; d-3 D) a-2; b-4, 5; c-1, 2; d-3 18 / 24 18. Himoya funksiyasini bajaruvchi oqsilni aniqlang. A) antitana B) kollagen C) amilaza D) polimeraza 19 / 24 19. Tajriba maydonida seleksioner olim g‘o‘za o‘simligining tolalari oq va malla rangli xillarini chatishtirdi. F2 duragaylari 2192 tani tashkil qildi. Ular orasidan 548 tasi malla, 1104 tasi novvot rang, 540 tasi oq rangda bo‘ldi. Ushbu tajribada olingan novvot rangli duragaylarning nazariy jihatdan olinishi kerak bo‘lgan novvot rangli duragaylardan farqini toping. A) 4 ta kam B) 8 ta kam C) 4 ta ko‘p D) 8 ta ko‘p 20 / 24 20. Qaysi javobda sershox qirqbo‘g‘imning jinssiz bo‘g‘iniga xos xususiyatlar keltirilgan? A) tuxum hujayra hosil qiladi, poya-bargli o‘simlik B) mustaqil oziqlanadi, zigota hosil qiladi C) fotosintez qiluvchi ildizpoyali o‘simlik D) spermatozoid hosil qiladi, gametofit hisobiga oziqlanadi 21 / 24 21. Qaysi javobda aminokislotalar berilgan? A) triptofan, uratsil B) tirozin, mum C) fenilalanin, guanin D) prolin, tirozin 22 / 24 22. Qanday jarayonda quyidagi reaksiya amalga oshadi? ATF + H2O → ADF + H3PO4 + energiya (40 kJ) A) fotosintez jarayonining yorug‘lik bosqichi B) kislorodli sharoitda sut kislotasining to‘liq parchalanishi C) membrana orqali moddalarning aktiv transporti D) bir molekula glukozadan 2 molekula sut kislotasi hosil bo‘lishi 23 / 24 23. Maltoza va saxarozaning umumiy xususiyatlarini ko‘rsating. 1) glikozid bog‘larga ega; 2) tarkibiga fruktoza kiradi; 3) suvda yaxshi eriydi; 4) qand lavlagi shakari hisoblanadi A) 1, 4 B) 1, 3 C) 2, 3 D) 2, 4 24 / 24 24. Quyidagi organizmlarga tegishli to‘g‘ri ta’riflarni juftlang. a)parmeliya; b) batsidiya A) a - prokariot organizm; b - fototrof organizm B) a - eukariot organizm; b - yopishqoq lishaynik C) a - fototrof organizm; b - prokariot organizm D) a - eukariot organizm; b - bargsimon lishaynik 0% Testni qayta ishga tushiring Author: InfoMaster Biologiya olimpiada, Tuman 2022-2023 o'quv yili
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