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A)fotosintez, jinssiz ko’payish, ko’p hujayralilar paydo bo’lishi


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11-sinf mavzulashtirilgan test

A)fotosintez, jinssiz ko’payish, ko’p hujayralilar paydo bo’lishi;

B) fotosintez, jinsiy ko’payish, ko’p hujayralilar paydo

bo’lishi;



  1. jinsiy ko’payish,anaerob yashash;

  2. jinsiy va jinssiz ko’payishning gallanishi, anaerob yashash;

21.Qo’riqxonalardagi muhofaza qilinadigan o’simlik turlarini soni bilan juftlang.

1) Surxon 2) Qizilqum,, 3) Zomin, 4)Hisor, a)160, b)700, c)500, d)250 A)1-a;2-b;3-d;4-c; B) 1-d;2-b;3-a;4-c;

C)1-c;2-a;3-b;4-d; D) 1-b;2-c;3-d;4-a;

22.Qo’riqxonalarning faqat o’zida uchraydigan turlar

bilan juftlang. 1)Hisor kamayadi; d)individlari areali kengayadi; e)kenja turlar,


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