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

A)a-1; b-4; v-2; g-3; d-5 B)a-1; b-2; v-3; g-4; d-5

C)a-4; b-2; g-1; d-3; v-5 D)a-2; b-4; v-1; g-3; d-5

4.ATF ga tegishli ma’lumotlar berilmagan javobni toping.

1) nukleotidlarga kiradi, 2) nukleotid emas, 3)tarkibi adenin, dezoksiriboza va fosfat kislota qoldig’idan iborat, 4) tarkibi adenin, riboza va fosfat kislota qoldig’idan iborat, 5)hujayraning kichik bir qismida katta energiya to’plamaydi, 6) barcha hujayra funksiyasi uchun energiya manbai,

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

5.Quyidagi biopolimerlarni ularning vazifalari bilan moslang.

1)sellyuloza, 2) DNK, 3)amilaza, 4)xitin, 5)RNK, 6)pepsin, 7)karbogidaraza,

a) qurilish, b) katalizator, c) axborot saqlash

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

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

6.Qaysi javobda albumin (a), globulin (b), xromoprotein (c) oqsillarga mos ta’riflar berilgan.

1) rangli murakkab oqsil, 2) rangli oddiy oqsil, 3) toza distillangan suvda eriydigan oddiy oqsil, 4) kuchsiz osh tuzi eritmasida eriydigan oddiy oqsil, 5) oqsil va nuklein kislotalarning birikishidan hosil bo’lgan murakkab oqsil.

A) a – 2, b – 3, c – 4 B) a – 3, b – 5, c – 1 C) a – 1, b – 5, c – 3 D) a – 3, b – 4, c – 1

7. DNK fragmentida 840 ta vodorod bog’lari bo’lsa, qo’shbog’ bilan bog’langan nukleotidlar C dan 168taga ko’pligi ma’lum bo’lsa, ushbu DNK fragmentining uzunligi (a), undan sintezlangan oqsil massasi (b), undan sintzlangan oqsildagi aminokislotalar soni (d) va undan sintezlangan RNK dagi fosfodiefir bog’lar (c) sonini toping. (Nukleotidlar o’rasi 0,34nm)

A) a – 114,24nm; b – 13440; d – 335; c – 112