L. N. Isayev va P. F. Barovskiy qaysi kasalliklarni tugatishiga asos bo’ldi?

Xordalilar tipi. Lansetnik.

1.Xordalilar tipiga qaysi sinflar kiradi?.................................................................................................................................................................................

2.Xordalilarning o’q skeleti nimadan iborat?.....................................................................................................................
3.Xordalilar nima orqali nafas oladi?..................................................................................................................................
4.Lansetnik qayerlarda uchraydi?.......................................................................................................................................
5.Lansetnik tanasining uzunligi qancha?............................................................................................................................
6.Lansetnik hayotining ko’p qismini qayerda o’tkazadi?...................................................................................................
7.Lansetnikni og’iz teshigini necha juft paypaslagichlar o’rab turadi?..............................................................................
8.Nima u-n lansetnik bosh skeletsizlarning kenja tipiga kiritiladi?....................................................................................
9.Lansetnik muskullari qanday joylashgan?.......................................................................................................................
10.Lansetnik nimalar b-n oziqlanadi?.................................................................................................................................
11.Lansetnik nima orqali nafas oladi?................................................................................................................................
12.Jabralarga qum kirishiga nima yo’l qo’ymaydi?...........................................................................................................
13.Lansetnikni qon aylanish sistemasi qanday tuzilgan ?..................................................................................................
14.Lansetnikda yurak vazifasini nima bajaradi?.................................................................................................................
15.Ayirish sistemasi qaysi hayvonnikiga o’xshash bo’ladi?..............................................................................................
16.Ayirish naychalarining uchi qayerga ochiladi?..............................................................................................................
17.Nerv sistemasi qayerda joylashgan?..............................................................................................................................
18.Lansetnik qanday ta’sirlarni sezadi?..............................................................................................................................
19.Lansetnikni kim kashf etgan?........................................................................................................................................
20.Lansetnikni xordalilarga xos belgilari?..........................................................................................................................
21.Lansetnikni xordalilardan farq qiladigan belgilari?.......................................................................................................


Baliqlar sinfi.

1.Zog’ora baliq qayerlarda uchraydi?.................................................................................................................................

2.Zog’ora baliqning kattaligi va uzunligi?..........................................................................................................................
3.Baliqlarning toq suzgichlari?...........................................................................................................................................
4.Baliqlarning juft suzgichlari ?..........................................................................................................................................
5.Baliqlarning suzgichlari qanday tuzilgan?.......................................................................................................................
6.Baliqlarning oldinga harakatlanishida qaysi suzgich muhim rol o’ynaydi ?...................................................................
7.Baliqlarning juft suzgichlari qanday vazifani bajaradi?..............................................................................................................................................................................
8.Baliqlarning tanasi nima b-n qoplangan?........................................................................................................................
9.Baliqlarni yoshini qanday aniqlash mumkin?..................................................................................................................
10.Baliqlarning umurtqa pog’onasi nechta suyakdan tuzilgan?.........................................................................................
11.Baliqlarning umurtqa nayi qanday hosil bo’ladi?..........................................................................................................
12.Baliqlarning qayerlarida umurtqalarida qovurg’alar bo’lmaydi?..................................................................................
13.Baliqlarning bosh skeleti qanday suyaklardan tuzilgan?...............................................................................................
14.Baliqlarning tanasidagi qaysi muskullar kuchli rivojlangan?........................................................................................
15.Baliqlarning suzgich pufagi qayerda joylashgan?.........................................................................................................
16.Baliqlarning suzgich pufagi qanday tuzilgan?...............................................................................................................
17.Baliqlarning suzgich pufagi ingichka naycha orqali nimaga tutashadi?........................................................................
18.Baliqlarning suzgich pufagi qanday vazifani bajaradi?.................................................................................................
19.Zog’ora baliq nimalar b-n oziqlanadi?...........................................................................................................................
20.Hazm qilish sistemasining ketma-ketligi?.....................................................................................................................
21.Halqumida nimalar joylashgan?....................................................................................................................................
22.Baliqlarning ichak bo’shlig’iga qanday suyuqliklar quyiladi?......................................................................................
23.Baliqlar nima b-n nafas oladi?......................................................................................................................................
24.Baliqlarning jabralari qanday tuzilgan?.........................................................................................................................
25.Baliqlarning qon aylanish sistemasiga nimalar kiradi?.................................................................................................
26.Baliqlarning yuragi qanday tuzilgan?............................................................................................................................
27.Baliqni yurak qorinchasi qisqarganda qon qayerga chiqariladi?...................................................................................
28.Ayirish sistemasi nima hisoblanadi?..............................................................................................................................
29.Baliqlarning ozig’i nima ta’sirida hazm bo’ladi?..........................................................................................................
30.Baliqlarning orqa miyasidan qayerlarga nervlar ketadi?...............................................................................................
31.Baliqlaqning bosh miyasi qanday qismlardan tuzilgan?................................................................................................
32.Baliqlarning ta’m bilish hujayralari qayerda joylashgan?.............................................................................................
33.Qaysi baliqlarda mo’ylovlar bo’ladi?............................................................................................................................
34.Baliqlarning yon chiziqlari qanday vazifani bajaradi?..................................................................................................
35.Baliqlarning jinsiy organlari nima hisoblanadi?............................................................................................................
36.Baliqlarda qachon ko’payish instinkti paydo bo’ladi?...................................................................................................
37.Baliqlarning ko’payish instinkti qanday ahamiyatga ega?............................................................................................
38.Qaysi baliqlar uvildiriq tashlash u-n Uzoq sharq daryolaridan Amudaryo irmoqlariga o’tadi?....................................
39.Ugor balig’i tuxumini qayerga qo’yadi?........................................................................................................................
40.Zog’ora balliq tuxumlarini qayerga qo’yadi?................................................................................................................
41.Baliqlarning urug’langan tuxum hujayralari necha kunda rivojlanadi?........................................................................
42.Baliq chavoqlari nima b-n oziqlanadi?..........................................................................................................................
43.Yilning oxiriga kelib zog’ora baliqning uzunligi qanchaga teng bo’ladi?....................................................................
44.Naslga kam g’amxo’rlik qiladigan baliqlar…..?............................................................................................................
45.Okun va treska nechtagacha tuxum qo’yadi?................................................................................................................
46.Qaysi baliqlar urg’ochilari u-n so’lak bezlaridan uya quradi?......................................................................................
47.Dengiz otchasi tuxumlarini qayerda olib yuradi?..........................................................................................................
48.Qaysi baliqlar tuxumlarini og’iz bo’shlig’ida olib yuradi?...........................................................................................
49.O’tkinchi baliqlar uvildiriq tashlash u-n …..o’tadi?......................................................................................................