Perfect biology and chemistry Kanalimiz obunachilari uchun maxsus


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11-sinf mavzulashtirilgan test

b,c

  • d,f

  • b,c,d,f


    13. Ekotopga xos bo’lmagan hudud (lar) ko’rsatilgan javobni aniqlang?

    a) vulqon otilishidan hosil bo’lgan yangi hudud, b) tog’ jinslari ustida lishayniklar rivojlanayotgan hudud, c) suvi turib qolgangan ko’lmakda bakteriyalarning rivojlanishi, d) non ustida zamburug’larning ko’payishi, e) yangi paydo bo’lgan korall orollari, f) ko’lga yangi baliq turlarini olib kelish. A) a,e

    1. b,c,e

    2. a,d,f

    3. b,c,d,f


    14. Biotsenozning o’simlik (a), hayvon (b), zamburug’ (c) va mikroorganizm (d) lariga xos javobni aniqlang? 1.fitosenoz, 2.zoosenoz, 3.mikosenoz, 4.mikrobiotsenoz

    1. a-1, b-2, c-4, d-3

    2. a-2, b-1, c-3, d-4

    3. a-1, b-2, c-3, d-4


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