2.Ko’l baqasi nimalar b-n.oziqlanadi?................................................................................................................................
3.Ko’l baqasining burni qanday vazifani bajaradi?............................................................................................................
4.Ko’l baqasining boshining ustki tomonida nima joylashgan?.........................................................................................
5.Erkak baqalarning boshining ikki yonida….bo’ladi?......................................................................................................
6.Baqaning oldingi oyoqlari qanday suyaklardan tuzilgan?...............................................................................................
7.Baqaning orqa oyoqlari panjalari orasida nima tortilgan bo’ladi?...................................................................................
8.Baqa quruqlikda qanday harakatlanadi?..........................................................................................................................
9.Baqalarda qaysi suyak rivojlanmagan?............................................................................................................................
10.Baqaning dum umurtqalari birlashib…hosil qiladi?......................................................................................................
11.Oldingi oyoq kamarini qaysi suyaklar hosil qiladi?......................................................................................................
12.Baqa skeleti qanday suyaklardan iborat?.......................................................................................................................
13.Hazm qilish sistemasining ketma-ketligi?.....................................................................................................................
14.Og’iz bo’shlig’ida nimalar joylashgan?.........................................................................................................................
15.Tishlari qayerda joylashgan?.........................................................................................................................................
16.Orqa ichagining keyingi qismi kengayib nimani hosil qiladi?......................................................................................
17.Baqaning tomog’i pastga tortilganda havo..o’tadi?......................................................................................................
18.Qon aylanish sistemasiga nimalar kiradi?.....................................................................................................................
19.Qon aylanish nechta doiradan iborat?............................................................................................................................
20.Baqaning yuragining qaysi qismida O2 boy qon oqadi?................................................................................................
21.Baqa yuragining qaysi qismida CO2 to’yingan qon bo’ladi?.........................................................................................
22.Ayirish sitemasi qanday tuzilgan?.................................................................................................................................
23.Baqaning buyragi qayerda joylashgan?.........................................................................................................................
24.Buyrak teshikchalari ingichka naycha orqali qayerga tutashadi?..................................................................................
25.Baqaning nerv sitemasining qaysi qismi kuchsiz rivojlangan?.....................................................................................
26.Eshitish organlari qanday qismlardan tuzilgan?............................................................................................................
27.Bitta urg’ochi baqa bir mavsumda nechta tuxum qo’yadi?..........................................................................................
28.Baqaning urug’langan tuxumlaridan nima chiqadi?......................................................................................................
29.Itbaliq tuzilish jihatdan nimaga o’xshaydi?...................................................................................................................
30.Baqa itbalig’i qanday tuzilgan?.....................................................................................................................................
31.Yashil qurbaqa kunduzlari qayerda bekinib yotadi?......................................................................................................
32.Qurbaqa qachon suvga tushadi?.....................................................................................................................................
33.Qurbaqa tuxumlarini qayerga qo’yadi?.........................................................................................................................
34.Rivojlanish jarayonida qurbaqaning qaysi oyog’i paydo bo’lgan?...............................................................................
35.Yosh baqalar necha yilda voyaga yetadi?......................................................................................................................
36.Suvda hamda quruqlikda yashovchilarning nechta turi bor?.........................................................................................
37.Suvda hamda quruqlikda yashovchilar qanday turkumlarga bo’linadi?........................................................................
38.Dumlilar qayerlarda uchramaydi?.................................................................................................................................
39.Eng yirik suvda hamda quruqlikda yashovchi ?............................................................................................................
40.Bitta qurbaqa bir kunda,9 oy davomida qancha hashorot qiradi?..................................................................................
41.Suvda hamda quruqlikda yashovchilar qaysi hayvonlardan kelib chiqqan?.................................................................
42.Panjaqanotlilar nima orqali nafas olgan?......................................................................................................................
43.Panjaqanotlilar qaysi organi suvda hamda quruqlikda yashovchilarning oyoqlariga o’xshaydi?................................
44.Panjaqanotlilar qayerda yashagan?...............................................................................................................................
45.Panjaqanotlilardan qaysi hayvonlar kelib chiqqan?......................................................................................................
