biologiya 'ilm uz' @hamidov_za 2020.03.27

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biologiya ‘’ilm uz’’ @hamidov_za uyda qoling! 1) quydagi o’simliklarni ularga xos xususiyatlar bilan juftlab yozing? a)sholi b)qand lavlagi c)loviya 1.mevasi quruq 2.mevasi ho’l 3.ildizlari qo’shilib ildiz tizimini hosil qiladi 4.mevasi ko’sak 5.mevasi dukkak 6,mevasi danakcha 7.magnoliyatoifali 8.gulqo’rg’oni oddiy 9.gulqo’rg’oni murakkab 10.vatani markaziy amerika 11.vatani janubiy amerika 12.vatani janubiy osiyo 13.vatani sharqiy osiyo 14.vatani o’rta yer dengizi 15.vatani abissiniya a)a-1,7,8,12 b-2,3,6,7,8,13 c-1,3,5,7,9,11 b)a-1,3,7,8,12 b-1,3,7,8,14 c-1,3,7,9,10 c)a-1,8,13 b-2,3,6,7,9,14 c-1,3,5,7,9,10 d)a-1,3,7,8,13 b-1,3,7,9,13 c-1,3,7,9,11 2)energiya almashinuvi jarayoning birinchi bosqichida 400 kj energiya hosil bo’ldi. shundan necha % energiya issiqlik tarzida tarqab ketadi? a)40 b)60 c)44,6 d)100 3)meyoz jarayoning metafaza ii davridagi hujayrada xromatidalar soni 24 ta bo’lsa,shu hujayrada profaza i bosqichida nechta xromosoma bo’lgan? a)48 b)96 c)24 d)12 4) rustamning tanasida oziq moddalarning parchalanishidan ajralgan energiyaning 2880 kk si to’qima organlarida hayotiy jarayonlarning normal o’tishi va ish bajarishi uchun sarflandi uning tanasida oziq moddalarning parchalanishidan hosil bo’lgan energiyaning necha kk tana harorati doyimiyligini saqlashga …

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t 10.kanop 11.oddiy zira 12.terakbargli liftok 13.yapon saforasi 14.zuxrasoch a-buta b-ko’p yillik o’t c-daraxt k-bir yillik o’t d-chala buta a1-a; 2-b; 3-b; 4-b-; 5-c; 6-b; 7-k; 8-a; 9-b; 10-k; 11-b; 12-a; 13-a; 14-b; b)1-a; 2-b; 3-b; 4-b-; 5-c; 6-b; 7-k; 8-c; 9-b; 10-k; 11-b; 12-a; 13-c; 14-b; c)1-c; 2-a; 3-b; 4-b-; 5-a; 6-k; 7-k; 8-c; 9-b; 10-k; 11-k; 12-a; 13-c; 14-a; d) 1-c; 2-b; 3-b; 4-b-; 5-c; 6-b; 7-k; 8-a; 9-b; 10-c; 11-b; 12-a; 13-c; 14-b; 7)quydagi belgilardan qaysi biri gipovitaminoz b1 da kuzatiladi? 1.nerv tolalarining falajlanishi 2.o’sish va rivojlanishning susayishi 3.terida sezuvchanlik yo’qolishi 4.oyoq muskullarining uvishib og’rishi 5.aqliy faoliyat pasayishi 6.tez charchash 7.holsizlik 8.qadamlari kalta-kalta bo’lishi 9.qo’l muskullarining uvishib og’rishi 10.oyog’ini yaxshi ko’tara olmaydi a)4,5,6,7,9 b)1,3,4,6,8,10 c)1,3,8,10 d)1,2,4,5,6,7,9 8)qalampir o’simligida meyoz jarayoni buzilishi natijasida birinchi beshinchi va yettinchi juft xromosomalar ajralmay bitta qutubga o’tib ketdi. shu hujayralardan hosil bo’lgan spermiylar ishtirokida urug’langan normal xromosomali tuxumdan rivojlangan murtak hujayralarida autosomalar …

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ullaydi w)archaning changchili qubbalari hosil bo’ladi r)zuhrasochning sporalari hosil bo’ladi t)funariyaning zigotasi hosil bo’ladi y)qo’ziqorinda mevatanacha hosil bo’ladi a)d,q,w,t b)b,d,g,w,t c)b,c,d,j,q,w,y d)y,w,g,d 12)quydagilar ichidan monopolimerlarni aniqlang? a) dnk b)treonin c)timin d) irnk f) trnk g)albumin j)adenin k)uratsil h)glukoza a)a,d,f b)c,j,k c)a,d,f,g,h d)b,c,j,k,h 13)bir yillik (i), ko‘p yillik (ii) va buta (iii)larga tegishli o‘simliklarni juftlang. 1) oq sho‘ra; 2) baliqko‘z; 3) shashir; 4) kiyiko‘t; 5) ligustrum; 6) singirtak a) i-3, 6; ii-1, 4; iii-2, 5 b) i-3, 4; ii-1, 2; iii-5, 6 c) i-1, 3; ii-2, 4; iii-5, 6 d) i-1, 2; ii-3, 4; iii-5, 6 14) ) irnk molikulasida a-40 % u-20 % c-30 % bo’lsa teskari transkripsiya jarayonida sintezlangan dnk molekulasida jami 960 ta h bog’ bo’lib unda dnk dagi a va c tarkibidagi monosaxaridlarda jami nechta uglerod (c) atomi bo’lgan ? a)2250 b)2000 c)2800 d)2500 15)o’sish vaqtida epiderma ostida joylashgan birlamchi po’stloqning parenxima hujayrasida yuzaga keladigan to’qimaga tegishli …

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biologiya ‘’ilm uz’’ @hamidov_za uyda qoling! 1) quydagi o’simliklarni ularga xos xususiyatlar bilan juftlab yozing? a)sholi b)qand lavlagi c)loviya 1.mevasi quruq 2.mevasi ho’l 3.ildizlari qo’shilib ildiz tizimini hosil qiladi 4.mevasi ko’sak 5.mevasi dukkak 6,mevasi danakcha 7.magnoliyatoifali 8.gulqo’rg’oni oddiy 9.gulqo’rg’oni murakkab 10.vatani markaziy amerika 11.vatani janubiy amerika 12.vatani janubiy osiyo 13.vatani sharqiy osiyo 14.vatani o’rta yer dengizi 15.vatani abissiniya a)a-1,7,8,12 b-2,3,6,7,8,13 c-1,3,5,7,9,11 b)a-1,3,7,8,12 b-1,3,7,8,14 c-1,3,7,9,10 c)a-1,8,13 b-2,3,6,7,9,14 c-1,3,5,7,9,10 d)a-1,3,7,8,13 b-1,3,7,9,13 c-1,3,7,9,11 2)energiya almashinuvi jarayoning birinchi bosqichida 400 kj energiya hosil bo’ldi. shundan necha % energiya issiqlik tarzida tarqab ketadi? a...

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