A) 5,3,2 B) 4 C) 3,4 D) 2,1,4
59. Quydagi organizmlardan qaysilari tabiiy tanlanish natijasida paydo bo’lgan?
1) raymondiy; 2) Bushev; 3) herbatsium; 4) manjur; 5) sanzor; 6) askaniya rambuliyasi; 7) arxar; 8) yong’ichqa; 9) assidiya; 10) fin dorset;
A) 1,2,3,5,6,10 B) 4,7,8,9 C) 1,3,5 D) 2,6,10
60. Quydagi organizmlarning qaysilari suniy tanlash natijasida paydo bo’lgan?
1) raymondiy; 2) Bushev; 3) herbatsium; 4) manjur; 5) sanzor; 6) askaniya rambuliyasi; 7) arxar; 8) yong’ichqa; 9) assidiya; 10) fin dorset;
A) 1,2,3,5,6,10 B) 4,7,8,9 C) 1,3,5 D) 2,6,10
61. To’g’ri malumot(lar)ni aniqlang.
A) ichaksiz kiprikli chuvalchanglarning lichinkasi gidra lichinkasiga o’xshash bo’ladi; B) amyobaning oziqni qamrab hazm qilishi, boshliqichlilarning ektoderma qavat hujayralarida ham mavjud; C) chumolilardagi ikki bo’g’imli bel boshqa pardaqanotlilarda ham bor; D) bolalar gijjasi ayrim jinsli bo’lishi bilan askaridadan farq qiladi;
62. To’g’ri malumot(lar)ni aniqlang.
A) ichaksiz kiprikli chuvalchanglarning lichinkasi gidra lichinkasidan farq qiladi;
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