5- sinif uchun 1- chorak testi

9-sinf 3-CHORAK TEST SAVOLLARI.
1.Ko’payishning necha xili bor ?
A) 4ta B) 5 ta C) 2ta
1.Fotosintez deb nimaga aytiladi ?
A) Quyosh ta’sirida organik birikmalar hosil bo’lsa B) Quyosh ta’sirida anorganik birikmalar hosil bo’lishiga C) Quyosh ta’sirida moddalar hosil bo’lishiga
2. Fotosintez o’simlikning qaysi qismida ro’y beradi ?
A) Ildizida B) Mevasida C) Bargida
3. O’simliklar qanday organizm hisoblanadi ?
A) Fototroj B) Seterotrof C) Aerob
4. Fotoliz deb nimaga aytiladi ?
A) Anorganik moddalarni organik moddalar hosil qilishiga B)Organik moddalardan anorganik moddalarni hosil qilishiga C) Quyosh nuri tasirida suvna parchalanishi
5.Fotosintezni kim aniqlagan ?
A) K.Guk B)A.I.Lunin C) A.I.Timeryanskiy
6. Xemosintez deb nimaga aytiladi ?
A) Quyosh ta’sirida organik birikmalar hosil bo’lishiga B) Kimyoviy reaksiya energiyasini kimyoviy energiyaga aylanishi C) Organik moddalardananorganik moddalarni hosil bo’lishiga
7. Xemosintez qaysi organizmlarda amalga oshadi ?
A)O’simliklarda B) Hayvonlarda C)Bakteriyalarda
8. Getorotrof organizm deb nimaga aytiladi ?
A)Tayyor ozuqa bilan ozuqlanadigan organizmlarga B)Anorganik moddalardan organik moddalar hosil bo’lishiga C)Ikkala javob ham to’g’ri
9. Dukkakli o’simliklar organizmida qanday bakteriyalar bor ?
A) Azot bakteriyalari B) Temir bakteriyalari C) Oltingugurt bakteriyalari
10. Mitozning tayorlanish davri qaysi fazada amalga oshadi ?
A) Interfaza B) Profaza C) Metafaza
11. Qaysi fazada xromasoma ikki xissa ortadi ?
A) Profazada B) Interfazada C)Metafazada
12. Qaysi fazada yadro kattalashadi ?
A) Profazada B) Interfazada C) Metafazada
13. Qaysi fazada qobiqlar 2 ga ajralib 2ta hujayra hosil bo’ladi ?
A) Profazada B) Interfazada C) Metafazada
14. Mitoz bo’linishida nechta hujayra hosil bo’ladi ?
A) 4ta B) 5 ta C) 2ta
15..Fotosintez deb nimaga aytiladi ?
A) Quyosh ta’sirida organik birikmalar hosil bo’lsa B) Quyosh ta’sirida anorganik birikmalar hosil bo’lishiga C) Quyosh ta’sirida moddalar hosil bo’lishiga
16. O’simliklarda qanday ko’payish uchraydi ?
A) Jinsiz B) Jinsiy C)Vegetativ
17.Yashil evglena qanday ko’payadi ?
A)Jinsiy B) Jinssiz C) Vegetativ
18 Zigota nima ?
A) Uruglangan tuxum hujayra B) Jinsiy hujayralar C) Tuxum hujayra
19 Postembrional rivojlanish necha bosqichdan iborat?
A) 4ta B) 5 ta C) 2ta
20 Odamda nechta xromocoma bor
A) 46 B) 48 C) 23 D) 24

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