5-sinf botanika i-chorak uchun test savollari


-sinf biologiya 1I-chorak Test


Download 378.17 Kb.
bet15/19
Sana31.01.2024
Hajmi378.17 Kb.
#1829066
1   ...   11   12   13   14   15   16   17   18   19
Bog'liq
5-11 sinflardan 15talik test javobi bilan

10-sinf biologiya 1I-chorak Test

1. AaBb genotipidan nechta gameta olinadi?


A) 8 B) 16 C) 32 D) 4
2. Pomidor mevasining shakli yumaloq va noksimon bo‘ladi. Yumaloq shakl dominantlik qiladi. Avlodida teng miqdorda yumaloq va noksimon mevalar hosil qilgan ota-ona organizmining genotipini aniqlang.
A) AA x aa B) Aa x Aa C) Aa x aa D) Aa x AA
3. Qaysi belgilar chala dominantlik holda irsiylanadi?
1. Nomozshom gulining rangi; 2-qulupnay mevasining rangi; 3-qushlar patining tuzilishi; 4-andaluz tovuq patining rangi; 5-no‘xat urug‘ining rangi
A) 1, 2, 5 B) 2, 3, 4 C) 2, 4, 5. D) 1, 3, 5
4. Qaysi holatda F2 da ham fenotipik, ham genotipik jihatdan ajralish nisbati 1; 2; 1; ga teng bo‘ladi?
A) tahliliy chatishtirish B) chala dominantlik
C) epistaz D) diduragay chatishtirish
5. Avlodlarda belgilarning mustaqil ravishda irsiylanishi va barcha belgilar uchun erkin kombinatsiyalanishi barcha belgilar uchun xos emasligini drozofila pashshasida o‘rgangan olim
A)T.Morgan C)G.De-Friz
B)D.Mendel D)Pavlov
6. Genetikaga asos solgan olim …………
A)T.Morgan C)G.De-Friz
B)D.Mendel D)Pavlov
7.Uch,to’rt va undan ko’p belgilari bilan tafovut qiladigan formalarini chatishtirishdan hosil bo’lgan organizmlar………..
A) tahliliy chatishtirish B) chala dominantlik
C) poliduragay D) diduragay chatishtirish

8. Miqdor va sifat belgilarning rivojlanishi qaysi genlar faoliyatiga bog‘liq?


A) polimer B) genom mutasiyalarga
C) qaynoq nuqtalarga D) komplementar genlarga
9. Sindaktiliya-__________________________________________________
A) retsessiv gen kasalligi B) genom kasallik
C) dominant gen kasallik D) xromosoma kasalligi
10. Albinizm-_____________________________________________________
A) retsessiv gen kasalligi B) genom kasallik
C) dominant gen kasallik D) xromosoma kasalligi
11. Hayvonlarda jinsiy hujayralarning hosil bo‘lish jarayoni
_________________________________________________________
12.Tuxum hujayraning urug‘lanmasdan rivojlanish ________________________________________________________
13. Ontogenez tushunchasi ____________________________________ tomonidan fanga kiritilgan

14.Sun’iy partenogenez yordamida erkak jinsli ipak qurtlarini yaratish usulini ishlab chiqqan ___________________________________________________________


15. Amyoba, infuzoriya, evglena kabi hayvonlar ______________________bo‘linish orqali amalga oshadi.





Download 378.17 Kb.

Do'stlaringiz bilan baham:
1   ...   11   12   13   14   15   16   17   18   19




Ma'lumotlar bazasi mualliflik huquqi bilan himoyalangan ©fayllar.org 2024
ma'muriyatiga murojaat qiling