Qarshi davlat universiteti tabiiy fanlar fakulteti zoologiya va fiziologiya kafedrasi

Mavzu bo’yicha boshlang’ich bilimni tekshirish
Kirish testlarini ishlang:
1. Lichinka xordalilarning embrional rivojlanishi dastlab qachon va kim tomonidan o’rganilgan? A) 1866 yilda A.O.Kovalevskiy; B) 1863 yilda I.I.Mechnikov; V) 1859 yilda V.V.Zalenskiy; G) 1870 yilda A.N.Severtsov.
2. Tunika – xordalilarning qaysi vakillariga xos? A) umurtqalilar; B) bosh suyaksizlar; v) lichinka xordalilar; G) bosh suyaksizlar va lichinka xordalilar.
3. Astsidiyalar rivojlanishining qaysi davriga ko’ra xordalilar qatoriga kiritiladi? A) zigota; B) lichinka; V) voyaga yetgan; G) barcha javoblar to’g’ri.
4. Ham jinsiy, ham jinssiz yo’l bilan ko’payadigan xordalilar vakillarini ko’rsating. A) astsidiyalar, salplar; B) astsidiyalar, lantsetniklar; V) salplar, lantsetniklar; G) to’g’ri javob ko’rsatilmagan.
5. Lichinka xordalilar germafrodit organizmlar bo’lgani xolda nima uchun o’zini-o’zi urug’lantira olmaydi? A) erkaklik jinsiy bezlari yaxshi rivojlanmaganligi bois; B) urg’ochilik jinsiy bezlari yaxshi rivojlanmaganligi bois; V) jinsiy mahsulotlar bir vaqtda yetilmaganligi bois; G) barcha javoblar to’g’ri.

Yozma va rasmli topshiriqlarni bajarish
Quyidagi topshiriqlarni bajaring.
1. Astsidiyaning tashqi tuzilishini o’rganing va raqamlarga mos tana qismlarini belgilang:


2. Lichinka xordalilar qanday umumiy belgilarga ega?
1. ___________________________________________________________________________
2. ___________________________________________________________________________
3. ___________________________________________________________________________
4. ___________________________________________________________________________
5. ___________________________________________________________________________
3. Yakka astsidiyaning sistematik o’rnini belgilang (o’zbekcha va lotincha):
Tip: __________________________________________________________________________
Kenja tip: _____________________________________________________________________
Sinf: _________________________________________________________________________
Turkum: ______________________________________________________________________
Tur: __________________________________________________________________________

4. Astsidiyaning tashqi ko’rinishini chizing va tana qismlarini belgilang:

1-og’iz sifoni 2-kloaka sifoni 3-tunika 4-substrat

5. Astsidiya lichinkasining tuzilishini chizing va tana qismlarini belgilang:

1-birikish so’rg’ichlari 2-og’iz 3-endostil 4-miya pufakchasi 5-ko’zcha	6-kloaka teshigi 7-ichak 8-nerv nayi 9-xordasi 10-yurak

6. Astsidiyaning tuzilishi sxemasidagi raqamlarga mos holda organlari nomini yozing:

1. __________________________________ 2. __________________________________ 3. __________________________________ 4. __________________________________ 5. __________________________________ 6. __________________________________ 7. __________________________________ 8. __________________________________ 9. __________________________________ 10. _________________________________ 11. _________________________________ 12. _________________________________ 13. _________________________________ 14. _________________________________ 15. _________________________________ 16. _________________________________ 17. _________________________________ 18. _________________________________ 19. _________________________________ 20. _________________________________ 21. _________________________________

7. Raqamlarga mos holda astsidiya lichinkasining tana qimslari nomini yozing:

1.____________________________________ 2.____________________________________ 3.____________________________________ 4.____________________________________ 5.____________________________________	6.______________________________________ 7.______________________________________ 8.______________________________________ 9.______________________________________ 10._____________________________________