Biologiya fanidan olimpiada materiallari

A)yurak B)taloq C)buyrak D)o`pka

Participation

Students who want to participate in an IBO must first become one of the top four students in their National Biology Olympiad (NBO). NBOs select the contestants for IBO in typically 3-5 consecutively more difficult national competition rounds. The contacts to all National Biology Olympiads can be found here.

If you are from a country which is not yet amongst the shown IBO members, you may be interested in this section here.

What happens in an IBO?

During IBO, students have to participate in Theoretical and Practical Exams. The Theoretical Exams encompass ca. 100 tasks in largely closed-ended format (e.g., multiple true-false). These tasks cover all domains of biology and require students to apply their science knowledge in analyzing advanced biological phenomena. The Practicals typically fall into 3-4 laboratories. The content domains for each Practical are announced ca. 6-12 months before an IBO. In the lab, students showcase biological skills by conducting investigations and analyzing data.

All IBO years change slightly with the foci set by each host country. A typical IBO week is structured like this:

Activities for the students

Day 1

During the day: Arrivals

Evening: welcome ceremony

Social program, excursions, laboratory safety instructions

Practical exams (typically 4×1.5 hours)

Translation & discussion of theoretical exams

Day 5

Theoretical exams (typically 2×3 hours)

Evening: Cultural night, together with jury members

Evening: Cultural night, together with students

Day 6

Social program, excursions

Morning: Annual General Meeting of IBO members

Afternoon: Discussion and approval of results

Day 7

Morning: Social program, excursions

Afternoon: Awards ceremony, gala dinner, closing party

Morning: IBO Educational Session

Afternoon: Awards ceremony, gala dinner, closing party

How do students prepare for an IBO?

Unlike what many people would think, there is currently no syllabus or curriculum for IBO. This means: There is no list of pre-defined topics that students can simply learn by heart and then score highly on IBO exams. However, some binding regulations on what IBO exams have to cover in terms of contents and practical skills are documented in IBO’s Operational Guidelines.

These guidelines make sure that there is a decent level of similarity between the IBOs of different years, while still allowing individual host countries room for innovations and developments in IBO’s exam culture.

In the early days of IBO, exam questions were largely concerned with knowledge reproduction (i.e., students exhibited what they had learnt by heart). With the much expanded body of knowledge in biology, the much easier access to content information via digital media, and the changed focus of international science curricula, the focus of IBO exams has also developed substantially: Today, the vast majority of IBO exam questions concern the application of biological knowledge in contexts that have been taken from recent biological research. In many of these tasks, students analyse – for example – data from biological experiments and then have to think about what conclusions can be drawn from these data.

Of course, the exam questions in IBO require a deep conceptual understanding of biology, typically much beyond what regular biology school books cover at upper secondary level. Therefore, IBO contestants usually prepare their background knowledge using general biology textbooks such as Campbell Biology (Urry et al.). However – it is very important to understand that learning this or similar text books by heart will not at all guarantee a high score in IBO exams! For example, students in IBO also require a robust experience with biological (and general science) practices, methods and laboratory skills. Depending on the students’ educational background in their country / region, the best way to prepare is – despite all studying – a close collaboration with the coordinators of National Biology Competitions (NBOs). With their detailed experience with IBO exams, the NBO coordinators provide specific recommendations for studying and preparations to their students as they progress through national competition rounds.

Biologiya fanidan olimpiada materiallari

1.O’zbekistonda tabiiy holda o’sadigan yuksak o’simliklarning qancha turi bor?

A. 3500 B. 4000 C. 4500 D. 5000

2.Hashoratxo’r o’simlikni belgilang

A. Rafleziya B. Nepentes C. Safsan D. Xolmon

3.Qaysi to’qimaning eng asosiy vazifasi fotosintez jarayonini amalga oshirish?

A. Asosiy to’qima B. Mexanik to’qima C. Qoplovchi to’qima D. Hosil qiluvchi

4.Qaysi to’qima o’simliklarni qishda sovuqdan asraydi?

A. Jamg’aruvchi B. Hosil qiluvchi C. Qoplovchi D. O’tkazuvchi

5. Hashoratlar yordamida changlanadigan o’simliklarni ko’rsating.

A. Olma,bug’doy B. Beda,yong’oq C. Nok,beda D. Arpa,sholi

6. Bakteriya sporalari necha gradus issiqqa va sovuqqa chiday oladi?

A. +140 C, -253 C B. +100 C, -150 C C. +200 C, -250 C D.+120 C, -500 C

7.Azotli organik moddalarning bakteriyalar tomonidan parchalanishi

nima deyiladi? A. Achish B. Saprofit C. Chirish D. Spora

8.Parazit chuvalchanglarni qanday fan o’rganadi?

A. Mikrobiologiya B. Zoologiya C. Anatomiya D. Gelmintalogiya

9.Suv shillig’i qaysi parazitning oraliq xo’jayni hisoblanadi?

A. Askaridaning B. Oq planariyaning C. Jigar qurtining D.Exinokokkning

10.Qisqichbaqadagi yashil bezlar nima vazifasini bajaradi?

A. Hazm suyuqligi ishlab chiqaradi B. Ayirish C. Qonni tozalaydi D. Sezgi organi

11.Qaysi hashoratlarning erkagi urg’ochisining hidini 11 km masofadan sezadi?

A. Qo’ng’izlar B. Arilar C. Kapalaklar D. Chigirtkalar

12.Odam organizmi ichki muxitini xosil qiluvchi to ‘qimalar?

A) qon, epiteliy, nerv.V) nerv, limfa, muskul.S) qon, limfa, to ‘qima suyuqligi.D) to ‘qima suyuqligi, epiteliy, nerv.

13. Leykositlar qayerda xosil bo ‘ladi va yemiriladi?

A) sariq ilikda xosil bo ‘ladi, jigar va taloqda yemiriladi

V) qizil ilikda xosil bo ‘ladi, jigar va taloqda yemiriladi

S) limfa tugunlarida xosil bo ‘ladi, taloqda yemiriladi

D) Jigarda xosil bo ‘ladi, taloqda yemiriladi.

14.Nafas yo ‘llarini zararlaydigan infeksion kasalliklar qaysi javobda berilgan

1) sil 2) gripp 3) terlama 4) zotiljam 5) difteriya 6) qizamiq 7) angina

A) 1, 2, 5, 7 V) 2, 4, 5, 7 S) 3, 4, 6, 7 D) 1, 3, 5, 7

15.Tishning og ‘iz bo ‘shlig ‘iga chiqib turadigan qismi

A) emal V) koronkasi S) bo ‘yinchasi. D) pulpasi.

16. Harakatsiz birikkan suyaklar

A) miya qutisi, tos, qo ‘l.V) umurtqalar, miya qutisi, tos.

S) chanoq, dumg ‘aza, miya qutisi.D) yelka, bilak, boldir, son.

17.Quyidagi moddalarning qaysi tartibda o ‘zaro ta’siri natijasida qon iviydi?

1) fibrin 2) tromboplastik 3) protrombin 4) fibrioin 5) trobin

A) 2, 3, 5, 4, 1.V) 1, 3, 2, 5, 4.S) 3, 1, 2, 5, 4.D) 5, 2, 3, 1, 4

18.Tiriklikning tuzilish darajalarini ketma-ket yozing.________________________________________

19.Hayotning hujayrasiz shakliga nimalar kiradi?_____________________________________________

20.Bakteriya viruslari nima deb ataladi?____________________________________________________

21.Yadrosi shaklanmagan organizmlar nima deb ataladi? ___________________________________

22.Ko’k-yashil suvo’tlar hujayrasidagi ko’k rang pigment nima deb ataladi?__________________

23.Tuban o’simliklar poyasi nima deb ataladi?_____________________________________________

24.Hujayraning energiya manbai qaysi organoid? ___________________________________________

25.Bir xil shakl va o’lchamga ega bo’lgan xromasomalar nima deb ataladi?________________

1. Bargda organik moddalarning hosil bo‘lishi

2. Sudralib yuruvchilarning xilma – xilligi

3. Qonning tarkibi va shaklli elementlari.

4. Tiriklikning tuzilish darajalari.

LАBОRАTОRIYA MASHG`ULOTI.

O‘simlik va hayvon hujayralarini o‘rganish.

9- SINF , biologiya .Test. 2- variant

1.O`zbekistonda o`suvchi eng uzun daraxt. A)majnuntol B)chinor C)mirzaterak D) na’matak

2..Ikki yillik o`tlarni belgilang. 1.sholg`om, 2.o`sma 3.olma 4.pomidor 5.turp 6.jag`-jag` 7.rediska

A) 1, 3, 5, 7 B)1,2,3,4 C)2,4,6, 7 D)1, 2, 5, 7

3.Qishda o`simlikning yer ustki qismi qurib qoladigan,yerosti qismi o`sishda davom etadigan o`simliklarni belgilang.

A)Sholg`om, rediska B)jiyda, yulg`un C)yalpiz, g`umoy D)pomidor bodiring

4.Daraxtlarni belgilang . 1.olma 2. Anor 3.chinor 4.na’matak 5.terak 6.izen 7.tol 8.ligistrum

A)1, 3, 5, 7 B)2, 4, 6, 8 C)1, 2, 3, 4 D)5, 6, 7, 8

5.Yarim butalarni belgilang. 1.olma 2. Anor 3.chinor 4.na’matak 5.izen 6.keyreuk 7.sarsazan

A)1, 3, 5, B)2, 4, 6, C)1, 2, 3, 4 D)5, 6, 7,

6.pomidor, bodiring, kartoshka, qovoq kabi o`simliklar qanday hayotiy shaklga misol bo`ladi?

A)daraxt B) buta C)ikki yillik o`t D)bir yillik o`t

6.Sho`radoshlarga mansub daraxtni belgilang.A) keyreuk B) tereskan D) itsigak E) saksovul

7.Gulxayridoshlarga mansub qaysi o`simlikdan tabobatda yo`talga qarshi foydalaniladi?

A) yerbag`ir tugmachagul B) dorivor gulxayri D) bo`ritaroq E) na’matak

8.Qaysi o`simlikdan yozda shakar ajraladi?A) yantoq B) yeryong`oq D) no`xat E) yasmiq

9.Yomg`ir chuvalchangi tuxumlarini qayerga qo`yadi?

A)pilla ichiga B)urg`ochisi bachadoniga C)tuproqqa D)suvli muhitga

10.Chuchuk suvlara yashovchi qizil chuvalchang qaysi sinnfga kiradi?

A)kam tuklillar B)ko`p tuklilar C)zuluklar D)halqalilar

11. Gidra tanasidagi usuvchi hujayralari qayerda joylashgan?

a) endodermada b) mezodermada c) ektodermada d) barcha qismda

12. Tufelka qaysi tipga mansub?

a) soxta oyoqlilar b) xivchinlilar c) infuzoriyalar d) sodda hayvonlar

13.Organizmlarning yuqumli kasalliklardan himoylanish xususiyati nima deb ataladi?

A)immunitet B)fagositoz C)refleks D)leykopineya

14.Birinchi bo`lib quturish,kuydurgi va boshqa kasalliklarga qarshi vaksina va qon zardoblarini tayyorlab qo`llagan olim kim?

A) I.Mechnikov B) L.Paster C)I.Pavlov D)K.Funk.

15.Odam organizmida qancha qon va qncha limfa suyuqligi bo`ladi?

A)4,9l qon va 2-3l limfa B) 5l qon va 1-2l limfa C) 4,5l qon va 1-2l limfa D) 5l qon va 4-5l limfa

16.Arterial qon bosimining normaga nisbatan oshishi nima deb ataladi?

A)gipotoniya B)gepirtoniya C)gemofiliya D)insult

17.Qaysi organ qon deposi vazifasini bajaradi?

A)yurak B)taloq C)buyrak D)o`pka

18.Hujayra yadrosini kashf etgan olim______________________________

19..Prokariotlarga qaysi organizmlar kiradi_______________________________

20.Hujayrada qattiq holda uchrovchi kiritmalar____________________________________

21. Hayotning hujayrasiz shaklini belgilang.________________________________________

22. Katakcha, uyacha , hujra ma’nolarini bildiruvchi biologik atama__________________________

23. Zang zamburug`ining oraliq xo`jayini____________________________________

24. Hujayra nazariyasinini kim yaratgan?____________________________________________________

25. Ularning soni shimpanze, suvarak va qalampirda 48 ta, odamda 46 ta,zog`ora baliqda 104 ta. Nima haqida gap ketmoqda?____________________________________________

9- sinf. Yozma ish. 2-variant.

1. O`simliklarning hayotiy shaklllari.
2. Yirtqich qushlar
3. Muskullarning static va dinamik ishi
4. Yadro

Laboratoriya ishi

O‘simlik va hayvon hujayralarini o‘rganish.

International Biology Olympiad 2021

Due to the ongoing covid-19 pandemic, the 32 nd International Biology Olympiad in Lisbon/Portugal has been cancelled. A virtual subsequent event IBO 2021 Challenge is now scheduled from 18 July – 23 July 2021. Read the article below to know more about the IBO challenge 2021 exam schedule.

IBO 2021 Challenge Dates

The world’s largest International Biology Olympiad competition for secondary students takes place every year in a different country. The IBO 2021 Challenge will be held from July 18 – 23.

The following table shows the IBO 2021 Challenge exam agenda.

Day (July)	Activities
Sunday, 18 July (16:00 CET)	Opening Ceremony
Monday, 19 July (09:00 – Your Local Time)	Practical Exam
Tuesday, 20 July	(Video Competition final voting)
Wednesday, 21 July (09:00 – Your Local Time)	Theoretical Exams
Thursday, 22 July ( All day)	Students Interaction With Former Olympics (Guides)
Friday, 23 July (16:00 CET)	Medals and Video Winners Announcement
Closing Ceremony

Note: Although the ceremonies are scheduled to start at (16:00 CET), this will not occur live by streaming. Performance and speeches will be recorded on video and will be available on the official website for everyone to attend anytime as per their convenience.FAQ (Frequently Asked Questions)

Q1. Who is Responsible for the Preparation of the IBO Competition?

Ans. The host country is responsible for the preparation of the IBO competition and will provide examination papers, solutions, and criteria for the evaluation of papers. The IBO examination materials will be valid only when approved by the International jury.

Q2. What is the Main Language of the IBO Competition?

Ans. The main language of the IBO competition is English. However, competitors have an opportunity to receive all the tasks translated into their native language.

Q3. Will Students Need a Computer and Internet Connection for Attempting Both the IBO Theoretical and Practical Exam?

Ans. Yes, candidates need both a computer and internet connection for attempting both the IBO theoretical and practical exam. Further instruction on how to perform and monitor the exam will be given in May 2021.