L. N. Isayev va P. F. Barovskiy qaysi kasalliklarni tugatishiga asos bo’ldi?
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7-sinf Zoologiya mavzulashtirilgan
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Halqali chuvalchanglar tipi.
1.Halqali chuvalchanglarga qaysi sinflar kiradi?................................................................................................................ 2.Yomg’ir chuvalchangi qaysi sinfga kiradi?..................................................................................................................... 3.Kam tuklilar qayerlarda uchraydi?.................................................................................................................................. 4.Yomg’ir chuvalchangini tanasining uzunligi qancha?..................................................................................................... 5.Tanasi nimalarga bo’lingan?............................................................................................................................................ 6.Har bir tana bo’g’imida nima joylashgan?....................................................................................................................... 7.Tayanch vazifasini nima bajaradi?................................................................................................................................... 8.Tanasi tashqi tomondan nima b-n qoplangan?................................................................................................................. 9.Terisi ostida qanday muskullar joylashgan?.................................................................................................................... 10.Teri-muskil xaltasini nimalar hosil qiladi?.................................................................................................................... 11.Halqasimon muskullar qisqarganda…..?....................................................................................................................... 12.Bo’ylama muskullar qisqarganda……?......................................................................................................................... 13.Tana bo’shlig’i qanday tuzilgan?................................................................................................................................... 14.Tana bo’shlig’i bo’lmalar soni nimaga teng?................................................................................................................ 15.Nerv sistemasini nimalar hosil qiladi?........................................................................................................................... 16.Halqum osti nerv tuguni qaysi nerv tuguniga tutashgan?.............................................................................................. 17.,Yomg’ir chuvalchangi qanday ta’sirlarni sezadi?......................................................................................................... 18.Yomg’ir chuvalchangining pillasi nimadan hosil bo’ladi?............................................................................................ 19.Pilla ichiga nechtagacha tuxum qo’yadi?...................................................................................................................... 20.Tuxumdan qachon chuvalchang chiqadi?..................................................................................................................... 21.Chuvalchang necha yil yashaydi?.................................................................................................................................. 22.O’g’iz teshigi qayerda joylashgan?................................................................................................................................ 23.Qizilo’ngachning kengaygan qismi nima deyiladi?....................................................................................................... 24.Jig’ildon qayerga ochiladi?............................................................................................................................................ 25.Qon aylanish sitemasini nimalar hosil qiladi?............................................................................................................... 26.Yurak vazifasini nima bajaradi?.................................................................................................................................... 27.Qon aylanish sistemasi qanday tipda tuzilgan?............................................................................................................. 28.Yomg’ir chuvalchangi nima orqali nafas oladi?............................................................................................................ 29.Ayirish sistemasi qanday tuzilgan?................................................................................................................................ 30.Ayirish naychalarining uchi qayerga ochiladi?.............................................................................................................. 31.Ayirish naychalarining tana bo’shlig’iga ochilgan qismida nimalar joylashgan? …………………………………… 32.Yomg’ir chuvalchangllarni qancha turi bor?................................................................................................................. 33.Bir gektar maydondagi chuvalchanglar bir yilda qancha tuproqni qayta ishlaydi?....................................................... 34.Chuchuk suvlarda qaysi chuvalchanglar tarqalgan?...................................................................................................... 35.Sanitarlik vazifasini qaysi chuvalchang bajaradi?......................................................................................................... 36.Akvarium baliqlari u-n maxsus ko’paytiriladigan chuvalchang?.................................................................................. 37.Dengiz tupida hayot kechiradigan chuvalchagn?.......................................................................................................... 38.Nereida tanasi nima b-n qoplangan?.............................................................................................................................. 39.Ko’p tuklilarga qaysi chuvalchanglar kiradi?................................................................................................................ 40.Ko’p tuklilar qaysi hayvonlarning asosiy ozig’i nima hisoblanadi?.............................................................................. 41.Halqali chuvalchanglar… kelib chiqqan?...................................................................................................................... 42.Ko’p tukli halqali chuvalchanglar qaysi belgilari b-n yassi chuvalchanglarga o’xshaydi?............................................................................................................................................................ ............... 43.Ko’p tuklilar kelib ….chiqqan?..................................................................................................................................... 44.Halqali chuvalchanglarning nechta turi bor?................................................................................................................. 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