5-sinf botanika i-chorak uchun test savollari

9-sinf .Biologiya fanidan II chorak testi.
1. Hujayra massasining necha foizini vodorod, kislarod, azot va uglerod tashkil etadi ?
A. 100% B. 97% C. 95% D. 98%
2. Qaysi vitamin qon hosil bo’lishida muhim ro’l o’ynaydi ?
A. Mg B. PP C. B12 D. J
3. Eritrotsitlar oqsili nima deb ataladi ?
A. albumin B. gemoglabin C.globulin D. antitelo
4. O’simlik hujayrasida necha % dan ko’proq suv bo’ladi ?
A. 90% B. 98% C. 10% D. 48%
5. Oqsillar tarkibida azot miqdori necha foizini tashkil etadi ?
A. 4% B. 16% C. 17% D. 18%
6. Toza distillangan suvda eriydigan oqsillar nima deb ataladi ?
A. albuminlar B. globuminlar C. polimer D. monomer
7. Ikita monosaxariddan tashkil topgan birikma nima deb ataladi ?
A. polisaxaridlar B. monosaxaridlar C.trisaxaridlar D. disaxaridlar
8. Uglevodlar necha xil bo’ladi ?
A. 6 xil B.5 xil C. 2 xil D. 3 xil
9. Nuklein kislota tarkibidagi monosaxarid necha xil bo’ladi ?
A. 3 xil B. 2 xil C. 4 xil D. 5 xil
10. Biologik sintez reaksiyalarning to’plami nima deb ataladi ?
A. plastik almashinuv B. oraliq bosqich C. anabolism D. metabolism
11. 1 g yog’ning to’liq parchalanishi natijasida necha kJ energiya ajralib chiqadi ?
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12. Glukozaning qondagi miqdori necha % ga teng ?
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13. Rangli oqsillar nima deb aytiladi ?.albumin
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14. Tabiiy oqsillar tarkibida necha xil aminokislata uchraydi ?
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15. Ko’p sonli monosaxaridlarning qo’shilishidan hosil bo’lgan murakkab uglevod

nima deb ataladi ?
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