5-sinf muqaddima

Vegetativ ko’payish.

1.Vegetativ ko’payish bu….?..........................................................................................................................................

2.Gullli o’simliklarning vegetativ ko’payish organlariga qaysilar kiradi?......................................................................
3.Vegetativ ko’payish nima?...........................................................................................................................................
4.Ildiz bachkisi orqali ko’payadigan o’simliklar?...........................................................................................................
5.Tok qalamchalari qaysi faslda tayyorlanadi?................................................................................................................
6.Tok qalamchalari qancha uzunlikda bo’ladi?...............................................................................................................
7.Payvandlashning qanday usullari bor?..........................................................................................................................
8.Iskana payvand qaysi oyda amalga oshiriladi?.............................................................................................................
9.Payvand u-n maqsadga muvofiq nav qanday ataladi?..................................................................................................
10.Payvand qilingan kurtakning tutgan- tutmaganligi necha kunda bilinadi?.................................................................
11.Kurtak payvandi qaysi oyda o’tkaziladi?....................................................................................................................
12.Parxesh yo’li b-n ko’payadigan o’simliklar?..............................................................................................................

Kirish . Ismingiz……………………

1.1998-yilda chop etilgan O'zb “Qizil kitobi”ga qancha o'simlik turi kiritilgan?...........................................................

2.Dorivor o'simliklar?......................................................................................................................................................
3.Iste’mol qilinadigan o'simliklar?..................................................................................................................................
4.O'rta Osiyoda tabiiy holda o'sadigan yuksak o'simliklarning qancha turi mavjud?.....................................................
5_.O'zb “Qizil kitobi”ga kiritilgan o'simliklar?.................................................................................................................
6.O'zb-da tabiiy holda o'sadigan yuksak o'simliklarning qancha turi mavjud?...............................................................
7.O'zb-ning 1984-yilda chop etilgan qizil kitobiga qancha tur o'simlik kiritilgan?.........................................................
8.Yer yuzida tabiiy holda o'sadigan yuksak o'simliklarning qancha turi mavjud?..........................................................
9.Yovvoyi yem-xashak o'simliklar?..............................................................................................................................
10.6000 yilgacha umr ko'radigan daraxt?.......................................................................................................................
11.Ajdar daraxti qaysi orolda uchraydi?..........................................................................................................................
12.Guli suv yuzasida ochiladigan o'simlik?.....................................................................................................................
13.Gulli o'simliklar qachon, qaysi o'simliklardan kelib chiqqan?...................................................................................
14.Hasharotxo'r o'simliklar?............................................................................................................................................
15.Jumagulning ikkinchi nomi?.......................................................................................................................................
16.Kuvacha qaysi o'simlikning ikkinchi nomi?...............................................................................................................
17.Meksika kaktuslari tanasida qancha suv saqlaydi?.....................................................................................................
18.Noyob mevali o'simliklar?..........................................................................................................................................
19.Seyshel palmasi yong'oqlari og'irligi qancha?...........................................................................................................
20.Sumatrada o'suvchi eng yirik gul?..............................................................................................................................
21.Tabiat ko'rki bo'lgan o'simliklar?................................................................................................................................
22.Tabobatimiz gavhari bo'lgan o'simliklar?...................................................................................................................
23.Yer yuzida gulli o'simliklar qancha oila, turkum, turni o'z ichiga oladi?...................................................................
24. 5-20 sm ko'tarilib o'sadigan o'simliklar?....................................................................................................................
25 70-100 yil umr ko'radigan daraxt?..............................................................................................................................
26 800 yil umr ko'radigandaraxt?....................................................................................................................................
27.Archa, sarv qancha umr ko'radi?.................................................................................................................................
28.Baland tog'lardagi archa bo'yi?...................................................................................................................................
29.Baobab daraxti qancha umr ko'radi?...........................................................................................................................
30.Bargi qor tagida qishlab qoladigan o'simliklar?.........................................................................................................
31.Barglari ancha barvaqt to'kiladigan o'simliklar?......................................................................................................................................................................
32.Bir yillik yovvoyi o'simliklar qaysilar?......................................................................................................................
33.Bo'yi bir metrga yetadiga bir yillik o'simliklar?.........................................................................................................
34.Butalar nima?..............................................................................................................................................................
35.1kki yillik o'simliklarni ko'rsating?.............................................................................................................................
36.Iliq kuz oylarida ham gullashda davom etadigan yovvoyi o'simliklar?.....................................................................
37.Jag'-jag' hayotiy shakliga ko'ra qanday o'simlik?......................................................................................................
38.Ko'p yillik o'tlar (16 ta) qaysilar?...............................................................................................................................
39.Ko'p yillik o'tlar nima?................................................................................................................................................
40.Madaniy butalar qaysilar?.........................................................................................................................................
41.Momaqaldirmoq hayotiy shakliga ko'ra qanday o'simlik?.........................................................................................
42.Qaysi madaniy o'simliklar iliq kuz oylarida ham gullashda davom etadi?................................................................
43.Qo'ytikan hayotiy shakliga ko'ra qanday o'simlik?.....................................................................................................
44.Sigirquyruq hayotiy shakliga ko'ra qanday o'simlik?.................................................................................................
45.Soxta kashtan qancha umr ko'radi?.............................................................................................................................
46.Yarim butalar nima?...................................................................................................................................................
47.Yarim butalarni ko'rsating?.........................................................................................................................................
48.Yovvoyi butalar qaysilar?...........................................................................................................................................