Qarshi davlat universiteti tabiiy fanlar fakulteti zoologiya va fiziologiya kafedrasi

Mavzu bo’yicha boshlang’ich bilimni tekshirish
Kirish testlarini ishlang:
1. Akulalarning suv ustiga ko’tarilishi va ostiga tushishini ta‘minlaydigan organ qaysi? A) toq suzgich qanotlari; B) juft suzgich qanotlari; V) havo pufakchasi; G) akulalar suv muhitining ma‘lum bir qismida harakat qiladi, shuning uchun ular suv ustiga ko’tarilmaydi va ostiga tushmaydi.
2. Akulalarning tishlari nimaning hosilasi hisoblanadi? A) miya qutisining; B) vistseral skeletning; V) giomandibularning; G) plakoid tangachalarning.
3. Akulaning nechta butun jabrasi bor? A-4 juft, B-5 juft, V-6 juft, G-7 juft.
4. Uyqu arteriyasi akula tanasining qaysi qismini qon bilan ta’minlaydi? A-dum qismini, B- ko’krak qismini, V-qorin qismini, G-bosh qimsini.
5. Akula buyragi qaysi tipda? A-protonefros, B-mezonefros, V-metonefros, G-chala metonefros.

Yozma va rasmli topshiriqlarni bajarish
Quyidagi topshiriqlarni bajaring.

1. Akulaning tashqi ko’rinishini o’rganing va raqamlarga mos tana qismlarini belgilang:

1.	5.
2.	6.
3.	7.
4.	8.

2. Tog’ayli baliqlar qanday umumiy tashqi tuzilish belgilarga ega?

1. ___________________________________________________________________________

2. ___________________________________________________________________________
3. ___________________________________________________________________________
4. ___________________________________________________________________________
5. ___________________________________________________________________________

3. Tikanli akulaning sistematik o’rnini belgilang (o’zbekcha va lotincha):

Kenja tip: _____________________________________________________________________

Katta sinf: ____________________________________________________________________
Sinf: _________________________________________________________________________
Kenja sinf: ____________________________________________________________________
Turkum: ______________________________________________________________________
Tur: __________________________________________________________________________
6. Ichi yorilgan akula rasmidagi organlar nomini raqamlarga mos holda yozing.

1. ___________________________ 2. ___________________________ 3. ___________________________ 4. ___________________________ 5. ___________________________ 6. ___________________________ 7. ___________________________ 8. ___________________________ 9. ___________________________ 10. __________________________ 11. __________________________ 12. __________________________ 13. __________________________ 14. __________________________ 15. __________________________ 16. __________________________ 17. __________________________ 18. __________________________ 19. __________________________ 20. __________________________ 21. __________________________ 22. __________________________ 23. __________________________ 24. __________________________ 25. __________________________ 26. __________________________ 27. __________________________ 28. __________________________ 29. __________________________ 30. __________________________

7. Akula siydik-tanosil sistemasi qismlarini raqamlarga mos holda nomini yozing.

Erkak akulaning siydik-tanosil sistemasi sxemasi: 1. ________________ 2. ________________ 3. ________________ 4. ________________ 5. ________________ 6. ________________ 7. ________________ 8. ________________ 9. ________________ 10. _______________ 11. _______________

Urg’ochi akulaning siydik-tanosil sistemasi sxemasi: 1. ________________ 2. ________________ 3. ________________ 4. ________________ 5. ________________ 6. ________________ 7. ________________ 8. ________________ 9. ________________ 10. _______________ 11. _______________ 12. _______________

8. Akulaning bosh miyasini yuqoridan ko’rinishi rasmini chizing va raqamlar bilan belgilang.

1 - oldingi miya 2 - hidlov bo’laklari 3 - oraliq miya 4 - epifiz 5 - o’rta miya 6 - miyacha 7 - uzunchoq miya 8 - rombsimon chuqurcha II-X -miyadan chiqadigan nervlar.