5-sinf muqaddima

5-sinf umumiy savollar. Ismingiz………………….

1.Ajdar daraxti qaysi orolda uchraydi?............................................................................................................................

2.Guli suv yuzasida ochiladigan o'simlik?.......................................................................................................................
3.Gulli o'simliklar qachon, qaysi o'simliklardan kelib chiqqan?.....................................................................................
4.Hasharotxo'r o'simliklar?..............................................................................................................................................
5.Archa, sarv qancha umr ko'radi?.................................................................................................................................
6.Baland tog'lardagi archa bo'yi?...................................................................................................................................
7.Baobab daraxti qancha umr ko'radi?...........................................................................................................................
8.Elodiya hujayrasida sitoplazmaning harakati nimaga bog'liq?.....................................................................................
9.Hujayra qachon, kim tomonidan kashf etilgan?...........................................................................................................
10.Hujayra qobig'iga mustahkamlik beruvchi modda?....................................................................................................
11.Makkajo'xorining 1 mm² so'rish qismida nechta ildiz tukchasi bo'ladi?...................................................................
12.Makkajo'xorining ildizi poyadan atrofga qanchagacha tarqaladi?.............................................................................
13.Mineral o'g'itlarga qaysi o'g'itlar kiradi?....................................................................................................................
14.Mineral o'g'itlarni ko'p qo'llash natijasida qaysi o'simliklar iste'molga yaroqsiz bo'lib qoladi ?...............................
15.O'zb-da nisbatan sekin o'sadigan daraxtlar?..............................................................................................................
16.O'zb-da tez o'sadigan daraxtlar?.................................................................................................................................
17.Organik moddalarning o'simlik bo'ylab harakatlanishida qaysi qavat muhim
rol o'ynaydi?.....................................................................................................................................................................
18.Po'st ostidagi qavat?..................................................................................................................................................
19.Tugunak kurtaklari qayerda joylashgan?....................................................................................................................
20.Uch qirrali poya?.........................................................................................................................................................
21.Yo'g'onligi 10-11 m gacha boradigan poya?...............................................................................................................
22.Yog'ochlar qanday turlarga bo'linadi?........................................................................................................................
23.Yog'ochligi yumshoq daraxtlar?...............................................................................................................................
24.Yoyilib yoki palak otib o'suvchi poya?......................................................................................................................
25.Bargning qaysi hujayralari shaffof bo’ladi?...............................................................................................................
26.Bargning ustunchalarga o’xshash hujayralari qayerda joylashgan?...........................................................................
27.Bargning ustunchaga o’xshash cho’ziq hujayralar tagida qanday hujayralar joylashgan?.........................................
28.Bir juft makkajo’xori yoz davomida qancha suv bu’glatadi?...................................................................................
29.Fotosintez so’zining ma’nosi?....................................................................................................................................
30.G’o’za yozdavomida qancha suv bug’latadi?.............................................................................................................
31.Suvni kam bug’latish u-n yoz oylarida barglarini to’kib yuboradigan o’simliklar?...................................................
32.To’pbarglar qaysi oila vakillarida uchraydi?..............................................................................................................
33.Toq bargchalari o’rnida gajaklar hosil qiladigan o’simliklar?....................................................................................
34.Toq patsimon bargli o’siimlik?...................................................................................................................................
35.Yorug’sevar o’simliklar?............................................................................................................................................
36.Vegetativ ko’payish bu….?........................................................................................................................................
38.Gulli o’simliklarning vegetativ ko’payish organlariga qaysilar kiradi?....................................................................
39.Vegetativ ko’payish nima?.........................................................................................................................................
40.Ildiz bachkisi orqali ko’payadigan o’simliklar?.........................................................................................................
41.Tok qalamchalari qaysi faslda tayyorlanadi?..............................................................................................................
42.Tok qalamchalari qancha uzunlikda bo’ladi?.............................................................................................................
43.Payvandlashning qanday usullari bor?........................................................................................................................
44.Iskana payvand qaysi oyda amalga oshiriladi?...........................................................................................................
45.Payvand u-n maqsadga muvofiq nav qanday ataladi?................................................................................................
46.Payvand qilingan kurtakning tutgan- tutmaganligi necha kunda bilinadi?.................................................................
47.Kurtak payvandi qaysi oyda o’tkaziladi?....................................................................................................................
48.Parxesh yo’li b-n ko’payadigan o’simliklar?..............................................................................................................