AJRATUVCHI TO’QIMA XILLARI VA VAZIFASI

MUNDARIJA

Kirish………………………………………………………………………............3

I bob О‘simlik tо‘qimalari haqida umumiy tushuncha………………...............7

1.1 О‘simlik tо‘qimalarining yaratilish tarixi………………………………............7

1.2 О‘simlik tо‘qimalari tasnifi…………………………………………….............9

1.3 O‘simlikdagi to’qimalar vazifalari……….…………………………….…......18

II bob Ajratuvchi tо‘qima xillari va vazifalari…..…………...........……..……27

2.1 Umumiy xarakteristikasi …………………..…………………………...…….27

2.2 Ajratuvchi to‘qimaning vazifasi………………………………………............27

2.3 Ajratuvchi to‘qimaning xillari………………………………………………...29

Xulosa…………………………………………………………………………….33

Foydalanilgan adabiyotlar ro‘yhati……………………………………………….35