27. (v13-121-3) Yopiq urugli osimliklar uchun xos bolgan aromorfozlarni aniqlang.
1) urugning paydo bolishi; 2) gulning paydo bolishi; 3) urugkurtakning paydo bolishi; 4) mevaning paydo bolishi; 5) qosh uruglanish; 6) mevalarda qanotchalarning bolishi; 7) poya va ildizda otkazuvchi naylarning paydo bolishi; 8) chetdan changlanish; 9) urugda murtakning bolishi.
A) 1,2, 4, 5, 7, 9 B)2,4,5,7
C) 2, 3, 4, 5, 6, 8
D) 1,2, 4, 5