9- sinf biologiya test Eukariot hujayralarasosan necha xil usulda ko`payadi ?

9- sinf biologiya test

1. 
   Eukariot hujayralarasosan necha xil usulda ko`payadi ?
   

1. 
   3 xil B. 4 xil C. 2 xil
   

2. 
   Mitoz so`zining ma`nosi nima ?
   

1. 
   Spriallashish B. ip C. dum
   

3. 
   Mitozning bosqichlarini sanang ?
   

1. 
   Profaza, metafaza B. Anafaza, telofaza C. Barcha javoblar to`g`ri
   

4. 
   Miyozning 1- bo`linishi bilan 2- bo`linishi orasidagi qisqa vaqt nima deb ataladi ?
   

A. interkinez B. prokinez C. ontogenez

5. 
   Bir hujayrali organizimlarning bo`linib ko`payishini qanday turlari mavjud ?
   

A. Ikkiga bo`linish
B. shizagoniya kurtaklanib ko`payish
C. Barcha javoblar to`g`ri
6. Yashil evglena qanday yo`l bilan ko`payadi ?
A. kurtaklab B. shirogoniya C. Ikkiga bo`linib
7.Erkaklik jinsiy hujayralar nima deb ataladi ?
A. Spermatozoid B. tuxum hujayra C. zigota

8. 
   Tuxum hujayralarning rivojlanishi nima deb ataladi ?
   

A. Spermatogenez B. Ovogenez C. interogenez
9. Jinsiy hujayralarning hosil bo`lishi jarayoni necha bosqichda amalga oshadi?
10. Urug`langan tuxum hujayra nima?
11. Urug`langan tuxum hujayradan murtakning hosil bo`lishi nima deyiladi?
12. Partenogenezning qanday turlari mavjud ?
13. gasturulla hosil bo`lishiga olib keladigan jarayon/
14. Akseleratsiya so`zininbg ma`nosi ?
15. Genetika atamasini fanga kim kiritgan ?
16. Organizmning yangi belgi va xuysusiyatlarini namayon etish qobilyati ……
17. Organizmning o`ziga xos belgi va xususiyatini kelgusi avlodga qoldirish qobilkyati…
18. Organizmning barcha genlar yig`indisi nima deb ataladi?
19. Organizmning barcha belgi va xususiyatlari yig`indisi nima deb ataladi ?
20. Genetika faniningf rivojlanish tarixi necha bosqichdan iborat ?
21. Genitikani o`rganish usullaridan Molekulyar genetik usuli nimani o`rganadi ?
22. Quydagi genetik simvollardan to`g`ri juftlashtirilgan qatorni belgilang ?
1. Ota ona organizm 2. Gameta 3. Birinchi avlod duragay 4. Ikkinchi avlod duragay
5. Chatishtirish belgisi
23. Nechanchi yilda genetika faniga asos solingan ?
24. Qanday xolatda gomozigota organizm deyiladi ?
25. sariq no`xat domiunant (A) yashil no`xat retsessiv (a). Tajribada sariq no`xat bilan yashil no`xat chatishtirildi F, duragayning fenotipi va genotipi qanday bo`ladi ?
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