Uy » Mavzulatshitilgan testlar » Biologiya mavzulashtirilgan » 6-sinf Biologiya » 6-sinf Biologiya 19-21-mavzular 6-sinf Biologiya 6-sinf Biologiya 19-21-mavzular InfoMaster Aprel 11, 2022 676 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 5 1 Vaqtingiz tugadi! 6-sinf Biologiya 19-20-21-mavzular yuzasida testlar 1 / 49 Geobotanika bo’limi nimani o’rganadi? A) nafas olish, fotosintez jarayonlarini o‘rganadi; B) t.j.y. C) o‘simliklarning Yer sharida tarqalish qonuniyatlarini; D) tashqi muhit omillarining o‘simlikka ta’sirini o‘rganadi; 2 / 49 Ajdar daraxtiga xos bo’lgan xususiyatlarni belgilang. 1) Sumatra orolida o’sadi 2)Kanar orolida o’sadi 3)Meksikada o’sadi 4)Afrikada o`sadi 5)6000 yil yashaydi 6)5000 yil yashaydi A) 2.5 B) 1.5 C) 2.6 D) 3.6 3 / 49 Epiderma to‘qimasi tashqi tomondan … qoplanadi A) kutikula yoki mum bilan B) maxsus yog‘simon modda bilan C) klechatka bilan D) oqsilli qobiq bilan 4 / 49 Elaksimon nay hujayralariga mos bo’lgan variantlarni keltiring. 1-organik moddalarni tashiydi 2-ksilema qismida bo’ladi 3-yadroga ega 4-yo’ldosh hujayralari bor 5-mineral tuzlarni tashiydi 6-yadroga ega emas. A) 4/1/2006 B) 3/2/2005 C) 1/3/2005 D) 5/2/2006 5 / 49 Ildiz turlarini tanglang. 1-popuk ildiz 2-yon ildiz 3-o’q ildiz 4-asosiy ildiz 5-qo’shimcha ildiz A) 3/1/2004 B) 3/2/2005 C) 1.4 D) 5/2/2004 6 / 49 O’q ildiz tizimli o’simliklar qatorini tanlang. A) terak,na’matak,bug’doy B) g’oza,saksovul,loviya C) bug’doy,jo’xori,arpa D) loviya,arpa,do’lana 7 / 49 Bitta yo‘g‘on yog‘ochlashgan tanali, baquvvat ildizli va keng shoxshabbali, baland bo‘yli ko‘p yillik, tayanch ildizli o‘simlikni aniqlang. A) bodomcha B) bodom C) baobab D) ban’yan 8 / 49 Ildizning po’st hujayralariga xos belgilarni toping. A) yupqa qobiqli,yumaloq,tirik B) qalin qobiqli,ovalsimon,o’lik C) yirik yadroli,qobiqsiz,tirik D) tirik,yuraksimon,yirik yadroli 9 / 49 O’rmalovchi poyaga ega bo’lgan o’simliklarni belgilang. 1)tarvuz 2)bodring 3)qovoq 4)qovun 5)qo’ypechak 6)temirtikan 7)karnaygul 8)tok 9)qulupnay 10)g’ozpanja A) 1,2,3,4,6 B) 9.1 C) 8 D) 5.7 10 / 49 O’simliklarni bo’y uzunliklari bilan birga juftlab yozing. 1)mirzaterak 2)rotang palma 3)sekvoyadendron 4) evkalipta)20-30m b)20-25m c)110-140m d)150-155 m e)200m f)400m A) 1-a; 2-e; 3-c; 4-d; B) 1-a; 2-f; 3-d; 4-c; C) 1-b; 2-f; 3-c; 4-d; D) 1-b; 2-f; 3-d; 4-c; 11 / 49 O’zb.da nisbatan sekin o’sadigan daraxtlarni belgilang. A) tol, terak, gilos,chinor, yong’oq B) archa, shamshod, nok, pista C) nok, do’lana, qatrong’i, pista D) chinor, tol, terak, shotut, yong’oq 12 / 49 Qaysi daraxtda lub tolalari ko'p? A) hammasi B) zig'ir C) kanop D) tut 13 / 49 Po’st parenximasiga xos bo’lgan xususiyatlarni belgilang. 1)epidermaning ustida joylashgan 2)epidermaning ostida joylashgan 3)asosiy to’qimadan tuzilgan 4)qoplovchi to’qimadan tuzilgan 5)ko’p qavatli tirik hujayralardan tuzilgan 6) ko’p qavatli o’lik va tirik hujayralardan tuzilgan 7)bir qavatli tirik hujayralardan tuzilgan A) 1,4,7 B) 2,3,5 C) 2,4,5 D) 2,3,6 14 / 49 O’zb.da tez o’sadigan daraxtlarni belgilang. A) tol, terak, gilos,chinor, yong’oq B) archa, shamshod, nok C) chinor, tol, terak, shotut, yong’oq D) nok, do’lana, qatrong’i, pista 15 / 49 Mebel va uy ro’zg’or buyumlari tayyorlashda qaysi daraxtlardan foydalanilmaydi? A) tol, jiyda, terak B) yulg’un, eman, saksovul, chinor, zarang, yong’oq, qayrag’och C) tut, tol, jiyda D) saksovul, yulg’un, eman, o’rik, zarang, yong’oq, qayrag’och 16 / 49 Ovalsimon va yumaloq hujayralarning joylashgan o’rnini tog’ri belgilang. A) ustunsimon hujayralarning ustida B) loviyasimon hujayralarning ustida C) ustunsimon hujayralarning ostida D) loviyasimon hujayralarning ostida 17 / 49 Burchoq o’simligidagi gajak qaysi tuzilmaning o’zgarishidan hosil bo’lgan? A) juft patsimon bargdagi oxirgi barg B) novda C) juft bargchalarning o’rnida D) toq bargchalar o’rnida 18 / 49 Rasm asosida barglarning tomirlanishini juftlab ko’rsating? a-patsimon,b-parallel,c-yoysimon d-panjasimon A) 1-a, 2-c, 3-a, 4-d B) 1-b, 2-c, 3-a, 4-d C) 1-b, 2-c, 3-d, 4-d D) 1-b, 2-c, 3-d, 4-a 19 / 49 Oddiy barglar yaprog’ining tuzilishiga ko’ra qanday bo’ladi? A) panjasimon, uch bo’lakli, patsimon B) panjasimon, uch bargchali, patsimon C) o’yilgan, tekis D) yumaloq, panjasimon, tuxumsimon,ovalsimon, yuraksimon,nashtarsimon, qalami, robmsimon, uchburchaksimon 20 / 49 Bargning qaysi qismida hujayralar bir-biriga zich yondashgan holatda bo’ladi? A) barg po’sti B) nay tolali boylamlarda C) barg yaprog’ining barcha qismida D) barg etida 21 / 49 To’g’ri gul deb nimaga aytiladi? A) gul faqat teng ikki bo’lakka ajralsa B) A va B C) umuman teng bo’lakka ajralmasa D) agar gulqo’rg’on ikkitadan ortiq teng bo’lakka ajralsa 22 / 49 Ildizpoyada nimalar bo’ladi? 1)qo’shimcha ildiz 2)shakli o’zgargan barg 3)qo‘shimcha kurtak 4)quruq qobiq 5)asosiy ildiz A) 1,2,3,5 B) 2,3,5 C) 1,2,3 D) 2.3 23 / 49 Ildizpoyali o’simliklarni belgilang. A) shoyigul, batat, kartoshkagul B) g’umay, qamish, ajriq, yalpiz, shirinmiya, gulsafsar C) anzur piyoz, sarimsoq piyoz, bosh piyoz, lola, boychechak D) kartoshka, batat, shoyigul 24 / 49 Murakkab gulqo’rg’onli o’simliklarni belgilang. 1)marmarak 2)o’sma 3)olma 4)nok 5)lola 6)karnaygul 7)boychechak 8)olcha 9)qo’ypechak 10)chuchmoma 11)gulsafsar 12)g’o’za A) 3,4,8,12 B) 1,6,9,11 C) 5,7,10,11 D) 2,3,4,5,7,12 25 / 49 Quyidagi rasmda nima tasvirlangan A) urug`chili gul B) bir uyli gul C) changchili gul D) ikki uyli gul 26 / 49 Tugunchalar gulning boshqa a’zolariga nisbatan joylanishiga qarab qanday bo’ladi? A) Oddiy va murakkab B) ostki va ustki C) bir va ko’p uyali D) bir va ikki jinsli 27 / 49 Quyidagi o’simliklardan ayrim jinsli bo’lmaganlarini belgilang. 1)terak 2)tut 3)gazanda 4)tol 5)qayin 6)yong’oq 7)makkajo’xori 8)shaftoli 9)olma 10)o’rik 11)gilos A) 1,3,4 B) 2,3,4,5 C) 1,6,7,8,9,10,11 D) 8,9,10,11 28 / 49 To’g’ri gulli o’simliklarni belgilang. 1)shaftoli 2)olma 3)na’matak 4)gladiolus 5)nastarin 6)isfarak 7)lola 8)behi 9)rayhon 10)marmarak 11)binafsha 12)qo’ng’iroqgul 13)parpi 14)kiyiko’t 15)loviya 16)burchoq 17)suvyig’ar 18)angishvonagul 19)beda A) 4,5,6,9,10,14,15,16,19 B) 4,5,6,9,10,11,13,14,15,16,18,19 C) 1,2,3,7,8,12,17 D) 1,2,5,7,8 29 / 49 Quyidagi rasmda qanday jarayon tasvirlangan A) organik moddalarni lub tolalari orqali harakatlanishi B) bargning suv bug`latishi C) o`simliklar barcha organlari nafas olishi D) suv va unda erigan mineral moddalarning harakatlanshi 30 / 49 Bir jinsli gullarga ega bo'lgan o'simliklarni belgilang. 1)terak 2)tut 3)gazanda 4)tol 5)qayin 6)yong'oq 7)makkajo'xori 8) qovoq. A) 2,3,4,5 B) 1,2,3,4,5,7 C) 1,3,4 D) 1,2,3,4,5,6,7,8 31 / 49 Olxo’rining gul formulasini to’g’ri belgilang. A) Gk4 Gt4+2 Ch4+2 U1 B) Gk0 Gt(5) Ch(~) U(2) C) Gk5 Gt5 Ch~ U1 D) Gk4 Gt4 Ch4+2 U(2) 32 / 49 Gultojsimon oddiy gulqo’rg’onli o’simlikni belgilang. A) g’o’za B) sachratqi C) lavlagi D) lola 33 / 49 Sachratqining gul formulasini to’g’ri belgilang. A) Gk5 Gt(5) Ch(5) U(2) B) Gk0 Gt(5) Ch5 U1 C) Gk0 Gt(5) Ch(5) U(2) D) Gk5 Gt5 Ch~ U1 34 / 49 Quyidagi qulni nomimi ayting A) suvyig`ar B) angishvonagul C) binafsha D) qo`ng`iroqgul 35 / 49 Shakli o‘zgargan yerusti novdalariga … misol bo‘ladi. A) jingalak, gajak va tikan B) piyozbosh, tugunak, ildizpoya C) havo ildizlari D) barg va kurtak 36 / 49 Qaysi o`simlikning bargi himoya qilish vazifasini bajaradi A) 1 B) 2 C) 3 D) 1 va 3 37 / 49 Gulqo’rg’on bo’laklari qo’shilgan o’simliklarni belgilang. 1)marmarak 2)o’sma 3)olma 4)nok 5)lola 6)karnaygul 7)boychechak 8)olcha 9)qo’ypechak 10)chuchmoma 11)gulsafsar 12)g’o’za A) 3,4,8,12 B) 5,7,10,11 C) 1,6,9 D) 2,3,4,5,7,12 38 / 49 Urug’chi qanday qismlardan tashkil topgan? A) 2; changchi va changchi ipi B) 3; tuguncha, ustuncha va og’izcha C) 3; tuguncha, ustuncha va tumshuqcha D) 3; urug’kurtak, markaziy va tuxum hujayra 39 / 49 Gulqo’rg’on bo’laklari qo’shilmagan o’simliklarni belgilang. 1)marmarak 2)o’sma 3)olma 4)nok 5)lola 6)karnaygul 7)boychechak 8)olcha 9)qo’ypechak 10)chuchmoma 11)gulsafsar 12)g’o’za A) 1,3,4,8,12 B) 5,7,9,10,11 C) 2,3,4,5,7,12 D) 1,6,9 40 / 49 Qiyshiq gulli o’simliklarni belgilang. 1)shaftoli 2)olma 3)na’matak 4)gladiolus 5)nastarin 6)isfarak 7)lola 8)behi 9)rayhon 10)marmarak 11)binafsha 12)qo’ng’iroqgul 13)parpi 14)kiyiko’t 15)loviya 16)burchoq 17)suvyig’ar 18)angishvonagul 19)beda A) 4,5,6,9,10,11,13,14,15,16,18,19 B) 4,5,6,9,10,14,15,16,19 C) 1,2,5,7,8 D) ,2,3,7,8,12,1 41 / 49 Lolaning gul formulasini to’g’ri belgilang. A) Gk0 Gt(5) Ch(~) U(2) B) Gk5 Gt5 Ch~ U1 C) Og3+3 Ch3+3 U1 D) Og3+3 Ch3+3 U(3) 42 / 49 Barglari jingalaklarga aylangan o’simlikni belgilang A) qulupnay B) no‘xat, loviya C) piyozbosh, karam, aloe D) bodring 43 / 49 Gulqo’rg’on bo’laklari qo’shilgan o’simliklarni belgilang 1)angishvonagul 2)binafsha 3)suvyig’ar 4)qo’ng’roqgul 5)marmarak 6) g’oza A) 2,3,6 B) 1,2,5 C) 1,4,5 D) 4,5,6 44 / 49 Kartoshka tugunagiga xos bo’lmagan xususiyatlarni belgilang. 1)yumaloq 2)yer osti organlarida hosil bo’ladi 3)o’zida ko’p miqdorda oziq moddalari to’playdi 4)o’zida ko’p miqdorda kraxmal saqlaydi 5)tashqi tuzilishi jihatdan novdaga o’xshaydi 6) ichki tuzilishi jihatdan novdaga o’xshaydi 7)chuqurchalari-ko’zchlalarida kurtaklari joylashadi 8)kurtaklari tugunakning ichida joylashadi A) 5.7 B) 6.7 C) 5.8 D) 6.8 45 / 49 Achambitining gul formulasini to’g’ri belgilang. A) Gk0 Gt(5) Ch(~) U(2) B) Gk4 Gt4+2 Ch4+2 U1 C) Gk5 Gt5 Ch~ U1 D) Gk4 Gt4 Ch4+2 U(2) 46 / 49 Shakli o‘zgargan novdalar …larga bo‘linadi. A) barg va kurtak B) yerosti va yerusti shakli o‘zgargan novda C) piyozbosh, tugunak, ildizpoya D) jingalak, gajak va tikan 47 / 49 Kurtak va bosh piyoz uchun umumiy bo'lgan jihatni belgilang. A) hammasi B) seret barglari bo'ladi C) tashqi tomondan quruq qobiq bilan qoplangan bo'ladi D) tubida qisqargan kalta poyacha bo'ladi 48 / 49 Piyozbosh uzunasiga kesib qaralganda uning organlari joylashgan joyini to’g’ri joylashtiring. 1)Piyozboshning tubida 2)tubidan pastga qarab 3)tubidan yuqoriga qarab 4)o’rtasida 5)tashqi tomonida qaysi organlari joylashgan bo’ladi? a)kurtaklari b) kalta poyacha c)seret barglar d)quruq qobiq e)qo’shimcha ildiz A) 1-b; 2-e; 3-c; 4-a; 5-d; B) 1-a; 2-b; 3-c; 4-e; 5-d; C) t.j.y D) 1-a; 2-e; 3-b; 4-a; 5-d; 49 / 49 O’zi ayrim jinsli bo’lib urug’chili va changchili gullari (har ikkalasi) to’pgul hosil qiladigan o’simlik(lar)ni belgilang. 1) yong’oq 2) tol 3) tok 4) makkajo’xori A) 2.4 B) 2 C) 1.3 D) 1,2,3,4 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 Foydali bo'lsa mamnunmiz