5- sinif uchun 1- chorak testi

6-sinf Botanika fanidan 1-chorak testi
1.Yer yuzida guuli o`simliklarning nechta turi ma`lum?
A) 250.000 ta B) 2,5 mln C) 1000ta D) 10000
2. Gulning markazida nima joylashgan?
A) urug`chi B) changchi C) gulqorg`on D) gultoji barg
3. Urug`chi necha qismdan iborat?
A) 5 B) 6 C)10 D) 3
4. Changchi necha qismdan iborat?
A) 5 B) 6 q C) 2 D) 3
5 .Urug`chining kemgaygan qismi qanday nomlanadi?
A) ustuncha B) tuguncha C) tumshuqcha D) gul orni
6. Chang changchining qaysi qismida joylashgan?
A)Changchi ipida B) changdonda C) ustunchada D) tugunchada
7. Agarda gulda faqat urug`chi bo`lsa bunday gul qanday nomlanadi?
A) ikki jinsli B) qiyshiq gul C)bir jinsli D) bir uyli
8. Topgul deb nimaga aytiladi?
A) bitta umumiy bandda bir nechta gul bo`lsa B)bitta banda 1ta gul bo`lsa
C) ikkala javob ham tog`ri D) har xil toji bargi bolsa
9. Topgullar necha xil bo`ladi? ( tuzilishiga ko`ra)
A) 2 xil B) 3xil C) 5 xil D) 4 xil
10. Olmaning to`pguli qanday?
A) shingil B) qalqonsimon C) boshoq D) rovak
11. Kungaboqarning to`pguli qanday?
A) shingil B) qalqonsimon C) savatcha D) rovak
12. Bug`doyning to`pguli qanday?
A) boshoq B) savatcha C) shingil D) kuchala
13. Changlanish deb nimaga aytiladi?
A) changchini tumshuqchaga tushishi B) Yetilgan changni urug`chining tumshuqchasiga
tushishi C) changni gulaga tushishi D) spermiy bilan tuxum hujayrani qoshilishi
14. Olma qanday changlanadi?
A) hashoratlar B) shamol yordamida C) sun`iy D) oz-ozidan
15. Donli ekinlar masalan sholi, arpa qanday changlanadi?
A) hashorot B) shamol yordamida C) chetdan D) oz-ozidan
16. Chang qanday hujayralardan tuzilgan?
A) generativ B) generative va vegetativ C) tirik hujayralardan D) chang donalaridan
17. Chin meva nimadan hosil bo`ladi?
A) urug`chidan B) tugunchadan C) changchidan D) gulning boshqa qismidan
18Mikroblarni kim aniqlagan?
A) 200 yil oldin R.Guk B) 300 yil oldin Levenguk C) K.Braun D) G.Purkinye
19 Bug`doy qanday changlanadi?
A) shamol B) hashorot C) sun`iy D)o‘z-o‘zidan
20. Bakteriyalar tuzilishiga ko`ra necha xil bo`ladi?
A) 3xil B) 2xil C) 5xil D) 1xil

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A	A	D	C	B	B	C	A	A	B	C	A	B	A	B	B	B	B	A	A