A o’simliklarning paydo bo’lishini b zamburug’larni ichki, tashq tuzilishini


) ildizpoyasidagi kurtaklardan hosil bo’ladi


Download 1.61 Mb.
bet162/234
Sana08.01.2023
Hajmi1.61 Mb.
#1083813
1   ...   158   159   160   161   162   163   164   165   ...   234
Bog'liq
2 5395671004833910066

1) ildizpoyasidagi kurtaklardan hosil bo’ladi
2) qulay sharoitga tushgan zigotadan hosil bo’ladi 3) shoxlangan 4) shoxlanmagan 5) qo’ng’ir rangli 6) yashil rangli 7) har bir shoxlangan poyasi uchida ko’plab spora beruvchi boshoqlar yetishadi 8) poyasi uchida 1ta spora beruvchi boshoq yetishadi 9) ko’payish organi vazifasini bajaradi 10) organik moddalarni tayyorlash vazifasini bajaradi 11) ildizpoyada organik moddalar jamg’aradi 12) qulay sharoitga tushgan sporadan hosil bo’ladi
A 1,2,3,4,5,6,7,8,9,10,11,12 B 2,3,7,9,10,11
C 1 D 2

  1. Yo’sinlarning jinsiy ko’payish jarayonini ketma-ketlikda aniqlang?

a) spora b) zigota c) ko’sakcha d) kurtaklar e) yashil ip f) tuxum hujayra g) urug’ hujayra
h) yangi funariya yo’sini
A.f,g,b,c,a,e,d,h B.f,g,b,a,c,e,d,h C.f,g,b,c,a,d,e,h D.f,g,d

  1. Qaysi sxemada funariya yo’sinining hayot sikli berilgan ?

1) spora; 2) tuxum hujayra; 3) jinssiz bo’g’in;
4) jinsiy bo’g’in; 5) anteridiy; 6) spermatozoid;
7) arxegoniy; 8) zigota.
I spora – jinssiz bo’g’in –anteridiy (spermatozoid) – arxegoniy ( tuxum hujayra ) – zigota
II zigota – jinsiy bo’g’in – arxegoniy ( tuxum hujayra) – antiridiy ( spermatozoid ) –jinssiz bo’g’in
III jinsiy bo’g’in – arxegoniy ( tuxum hujayra ) – anteridiy ( spermatozoid ) – zigota – jinssiz bo’g’in
IV jinssiz bo’g’in – arxegoniy ( tuxum hujayra ) – anteridiy ( spermatozoid ) – jinsiy bo’g’in
A) IV B) I C) III D) II

  1. Qirqbo’g’imlarga mantiqiy to’g’ri bo’lgan a’zoni aniqlang.

1.ildizpoya 2.anteridiy 3.bir jinsli gametafit 4.poya barg 5.ikki jinsli gametafit 6.endosprem 7.spora 8.sporofil
A) 2,5,7,8 B) 2,4,5,7
C) 1,5,6,7 D) 2,3,4,8


  1. Download 1.61 Mb.

    Do'stlaringiz bilan baham:
1   ...   158   159   160   161   162   163   164   165   ...   234




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