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 689 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 5 3 Vaqtingiz tugadi! 6-sinf Biologiya 19-20-21-mavzular yuzasida testlar 1 / 49 O’simliklar tuproqqa qanday ta’sir qiladi? A) tuproq unumdorligini oshiradi va uni yemirilishdan saqlaydi B) hayotning yangi shakllarini paydo qiladi C) faqat unumdorligini oshiradi D) tuproq namligini saqlaydi 2 / 49 Juftlab ko’rsating.a-alkagolya b-briologya c-lixenalogya 1.leshayniklarni 2.yo’sinlarni 3-so’v o’tlarini A) a-2 b-1 c-3 B) a-2 b-3 c-1 C) a-3 b-2 c-1 D) a-3 b-1 c-2 3 / 49 O'simlik mevasiga rang beruvchi plastida(lar)ni belgilang. 1)Xloroplast 2)xromoplast 3)leykoplast A) 1,2,3 B) 2 C) 2.3 D) 1.2 4 / 49 Quyidagi rasmda qaysi raqamda ko`rsatilgan organoid faqat o`simlik uchun hos A) 1; 6 B) 2; 3 C) 4; 6 D) 3; 6 5 / 49 O’q ildiz tizimli o’simliklar qatorini tanlang. A) bug’doy,jo’xori,arpa B) terak,na’matak,bug’doy C) loviya,arpa,do’lana D) g’oza,saksovul,loviya 6 / 49 Qovunning ildiz tizimi qanday? A) yon ildizli popuk ildiz B) asosiy ildiz C) o’q ildiz D) popuk ildiz 7 / 49 O’q ildiz tizimi qaysi ildiz turlariga ega. A) o'q B) yon C) asosiy 8 / 49 Bir tup o’simlik ildizida 33ta ildiz tukchasi bor.Shunday 2ta ildiz nechtayupqa qobiqli,sitoplazma va yirik yadroli hujayra bor? A) 33ta B) 2ta C) 99ta D) 66ta 9 / 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; 10 / 49 Dastlab generativ so’ngra vegetativ kurtaklari yoziladigan o’simliklarni belgilang. A) na’matak, tol, jiyda, terak, chinor,atirgul B) olxo’ri, bodom, o’rik, atirgul C) tut, jiyda,atirgul, na’matak, terak, chinor D) shaftoli, bodom, o’rik 11 / 49 Bargning qaysi tuzilmasi tufayli barg mustahkam bo’ladi? A) tomirlar B) naylar C) barg bandi D) po’st 12 / 49 Transpiratsiya nima? A) nafas olish B) barglarning to‘kilishi C) ildizdan suvning so’rilishi D) bargning suv bug’latishi 13 / 49 Sekvoyadendronning pastki qismining aylanasini belgilang. A) 13,5 m B) 46 m C) 10-11 m D) 49 m 14 / 49 Qaysi o’simliklarning bargi to’rsimon tomirlangan? 1) olg’i 2)xolmon 3)bodiyon 4)kovrak 5)alqor 6)ajriq A) 1,2,3 B) 4.5 C) 3,4,6 D) 3,4,5 15 / 49 Bandli barglarga ega bo'lgan o'simliklarni belgilang. 1)olma 2)lola 3)o'rik 4)bosh piyoz 5) nok 6)terak 7)shirach 8)yong'oq 9)anjir 10)gulsafsar 11)bug'doy 12)anjir 13)tok 14)makkajo'xori 15)arpa 16)qovun 17)sholi A) 1,3,5,6,8,9,12,13,16 B) 1,3,5,6,8,7,9,12,16 C) 2,4,7,10,11,14,15,17 D) 2,4,7,10,11,14,15,17 16 / 49 Tomirlar barg etining qaysi qismlarigacha kirib boradi? A) barg etining barcha qismigacha B) ustunsimon hujayralar qavatigacha C) ovalsimon hujayralar qavatigacha D) yumaloq hujayralar qavatigacha 17 / 49 Burchoq o’simligidagi gajak qaysi tuzilmaning o’zgarishidan hosil bo’lgan? A) toq bargchalar o’rnida B) juft patsimon bargdagi oxirgi barg C) novda D) juft bargchalarning o’rnida 18 / 49 Murakkab bargli o’simliklarni belgilang. 1)olma 2)shirinmiya 3)beda 4)nok 5)o’rik 6)soxta kashtan 7)shaftoli 8)yong’oq 9)tut 10)tok 11)na’matak 12)qulupnay 13)loviya 14)no’xat 15)yeryong’oq 16)g’o’za 17)terak 18)rovoch 19)yantoq A) 2,3,6,8,10,11,12,13,14,15,18,19 B) 2,3,6,8,10,11,12,13,14,15 C) 2,3,6,8,11,12,13,14,15,18,19 D) 2,3,6,8,11,12,13,14,15 19 / 49 Barg tomirining nay tolalali boylamlarini nimalar hosil qiladi? 1)tomir 2)naylar 3)elaksimon naychalar 4)tola 5)yog’ochlik tolalari A) 1,2,3,4,5 B) 2,3,5 C) 2,3,4 D) 1,2,3 20 / 49 Ovalsimon va yumaloq hujayralarning joylashgan o’rnini tog’ri belgilang. A) loviyasimon hujayralarning ustida B) ustunsimon hujayralarning ostida C) loviyasimon hujayralarning ostida D) ustunsimon hujayralarning ustida 21 / 49 Kurtak va bosh piyoz uchun umumiy bo'lgan jihatni belgilang. A) tashqi tomondan quruq qobiq bilan qoplangan bo'ladi B) tubida qisqargan kalta poyacha bo'ladi C) hammasi D) seret barglari bo'ladi 22 / 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) 1,6,9 B) 5,7,10,11 C) 2,3,4,5,7,12 D) 3,4,8,12 23 / 49 Achambitining gul formulasini to’g’ri belgilang. A) Gk4 Gt4+2 Ch4+2 U1 B) Gk0 Gt(5) Ch(~) U(2) C) Gk4 Gt4 Ch4+2 U(2) D) Gk5 Gt5 Ch~ U1 24 / 49 Tugunchalar gulning boshqa a’zolariga nisbatan joylanishiga qarab qanday bo’ladi? A) ostki va ustki B) bir va ikki jinsli C) Oddiy va murakkab D) bir va ko’p uyali 25 / 49 Urug’chi qanday qismlardan tashkil topgan? A) 3; tuguncha, ustuncha va og’izcha B) 2; changchi va changchi ipi C) 3; tuguncha, ustuncha va tumshuqcha D) 3; urug’kurtak, markaziy va tuxum hujayra 26 / 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) 2,3,5 B) 1,2,3 C) 1,2,3,5 D) 2.3 27 / 49 Quyidagi rasmda nima tasvirlangan A) bir uyli gul B) ikki uyli gul C) changchili gul D) urug`chili gul 28 / 49 Olxo’rining gul formulasini to’g’ri belgilang. A) Gk5 Gt5 Ch~ U1 B) Gk4 Gt4 Ch4+2 U(2) C) Gk0 Gt(5) Ch(~) U(2) D) Gk4 Gt4+2 Ch4+2 U1 29 / 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) 1,6,9 C) 2,3,4,5,7,12 D) 5,7,9,10,11 30 / 49 Lolaning gul formulasini to’g’ri belgilang. A) Og3+3 Ch3+3 U1 B) Og3+3 Ch3+3 U(3) C) Gk0 Gt(5) Ch(~) U(2) D) Gk5 Gt5 Ch~ U1 31 / 49 Ildizpoyali o’simliklarni belgilang. A) g’umay, qamish, ajriq, yalpiz, shirinmiya, gulsafsar B) anzur piyoz, sarimsoq piyoz, bosh piyoz, lola, boychechak C) shoyigul, batat, kartoshkagul D) kartoshka, batat, shoyigul 32 / 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) 4,5,6 B) 1,2,5 C) 2,3,6 D) 1,4,5 33 / 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) 4,5,6,9,10,11,13,14,15,16,18,19 B) 1,2,3,7,8,12,17 C) 1,2,5,7,8 D) 4,5,6,9,10,14,15,16,19 34 / 49 To’g’ri gul deb nimaga aytiladi? A) gul faqat teng ikki bo’lakka ajralsa B) umuman teng bo’lakka ajralmasa C) agar gulqo’rg’on ikkitadan ortiq teng bo’lakka ajralsa D) A va B 35 / 49 Shakli o‘zgargan novdalar …larga bo‘linadi. A) barg va kurtak B) yerosti va yerusti shakli o‘zgargan novda C) jingalak, gajak va tikan D) piyozbosh, tugunak, ildizpoya 36 / 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) 6.8 D) 5.8 37 / 49 Quyidagi qulni nomimi ayting A) angishvonagul B) suvyig`ar C) qo`ng`iroqgul D) binafsha 38 / 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) 1,2,5,7,8 C) 4,5,6,9,10,14,15,16,19 D) ,2,3,7,8,12,1 39 / 49 Qaysi o`simlikning bargi himoya qilish vazifasini bajaradi A) 1 B) 3 C) 1 va 3 D) 2 40 / 49 Barglari jingalaklarga aylangan o’simlikni belgilang A) piyozbosh, karam, aloe B) bodring C) no‘xat, loviya D) qulupnay 41 / 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) 1.3 B) 1,2,3,4 C) 2.4 D) 2 42 / 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) 2,3,4,5,7,12 B) 3,4,8,12 C) 1,6,9,11 D) 5,7,10,11 43 / 49 Gultojsimon oddiy gulqo’rg’onli o’simlikni belgilang. A) lola B) lavlagi C) sachratqi D) g’o’za 44 / 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) 1,2,3,4,5,6,7,8 B) 2,3,4,5 C) 1,3,4 D) 1,2,3,4,5,7 45 / 49 Shakli o‘zgargan yerusti novdalariga … misol bo‘ladi. A) jingalak, gajak va tikan B) barg va kurtak C) havo ildizlari D) piyozbosh, tugunak, ildizpoya 46 / 49 Sachratqining gul formulasini to’g’ri belgilang. A) Gk5 Gt(5) Ch(5) U(2) B) Gk0 Gt(5) Ch(5) U(2) C) Gk0 Gt(5) Ch5 U1 D) Gk5 Gt5 Ch~ U1 47 / 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) 1,6,7,8,9,10,11 B) 1,3,4 C) 8,9,10,11 D) 2,3,4,5 48 / 49 Quyidagi rasmda qanday jarayon tasvirlangan A) suv va unda erigan mineral moddalarning harakatlanshi B) bargning suv bug`latishi C) o`simliklar barcha organlari nafas olishi D) organik moddalarni lub tolalari orqali harakatlanishi 49 / 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-e; 3-b; 4-a; 5-d; C) 1-a; 2-b; 3-c; 4-e; 5-d; D) t.j.y 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