9-sinf. O`zbekistonning turli viloyatidagi biologiya o`qituvchilari tomonidan tuzilgan testlar

A) a – 2, 1, 6, 3, 8; b – 7, 4, 5 B) a – 2, 1, 6, 4, 8; b – 7, 3, 5

C) b – 2, 1, 6, 3, 8; a – 7, 4, 5 D) a – 2, 1, 6, 3, 7; b – 8, 4, 5

10.Oqsillarning birlamchi(a), ikkilamchi(b), uchlamchi(c) va to’rtlamchi(d) tuzilishiga xos belgilarni toping. 1) gemoglobinga xos, 2) mioglobinga xos, 3)keratin misol bo’ladi, 4) kollagen misol bo’ladi, 5) NH-guruhlari bilan qo‘shni o‘ramdagi CO-guruhi o‘rtasida vodorod bog‘lari hosil bo‘ladi, 6) tuzilishini gidrofob bog’lar saqlab turadi, 7) aminokislota radikallari spiral tashqarisida qoladi, 8) assotsatsiya yoki dissotsatsiya bo’lib turadi, 9) polipeptid zanjirko’rishida bo’ladi.

A) a – 9; b – 2,4,5,7; c – 3,6; d – 1,8 B) a – 9; b – 3,4,5,7; c – 1,8; d – 1,6