13- mashg'ulot.
Ikkilamchi qoplagich to ‘q im ala r..............................................29
Tut (Morns abba) po‘stolg‘ini tekshirish............................................................. 30
14- mashg'ulot.
M exanik to‘qim ala r....................................................................31
Qovoq (Cucurbita pepo) poyasining burchakli
kollenximasini tekshirish........................................................................................31
M akkajo‘xori poyasining sklerenxima
to‘qimasini tekshirish.............................................................................................. 33
15- mashg'ulot.
Sklereid - toshsimon hujayralar...............................................33
Nokning toshsimon hujayrasini te k sh irish ..........................................................34
16- mashg'ulot.
0 ‘tkazuvchi to'qim alar.............................................................. 34
17- mashg'ulot.
Qovoqning o ‘tkazuvchi
nay-tolali
bog‘lamini tekshirish...............................................................................................38