Qarshi davlat universiteti tabiiy fanlar fakulteti zoologiya va fiziologiya kafedrasi

Mavzu bo’yicha boshlang’ich bilimni tekshirish
Kirish testlarini ishlang:
1. Xordalilarga xos bo’lgan eng muhim belgilarni ko’rsating.
A) xorda, nay shaklidagi markaziy nerv sistemasi (nevrotsel), jabra yoriqlari; B) xorda, nay shaklidagi markaziy nerv sistemasi (nevrotsel), o’pka; V) xorda, jigar, jabra yoriqlari; G) xorda, jigar, o’pka.
2. Hozirgi zamon zoologiya fanida mavjud bo’lgan sistematikaga muvofiq xordalilar tipi nechta kenja tip, katta sinf va sinflarga bo’linadi? A) 3, 3, 10; B) 3, 3, 11; v) 4, 3, 11; G) 4, 4, 10.
3. Skeletogen qatlam nima? A) bosh skeletini hosil qiladigan qatlam; B) umurtqa pog’onasini hosil qiladigan qatlam; V) vistseral skeletni hosil qiladigan qatlam; G) harakat organlari va ularning kamarlarini hosil qiladigan qatlam.
Yozma topshiriqlarni bajarish
1. Xordalilar qanday umumiy belgilarga ega?

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2. Xordalilar tipining sinfgacha bo’lgan sistematik guruhlarini yozing (o’zbekcha va lotincha):

Tip: __________________________________________________________________________

Kenja tip: _____________________________________________________________________
Sinf: _________________________________________________________________________
Sinf: _________________________________________________________________________
Sinf: _________________________________________________________________________
Kenja tip: _____________________________________________________________________
Sinf: _________________________________________________________________________
Kenja tip: _____________________________________________________________________
Katta sinf: ____________________________________________________________________
Sinf: _________________________________________________________________________
Katta sinf: ____________________________________________________________________
Sinf: _________________________________________________________________________
Sinf: _________________________________________________________________________
Katta sinf: ____________________________________________________________________
Sinf: _________________________________________________________________________
Sinf: _________________________________________________________________________
Sinf: _________________________________________________________________________
Sinf: _________________________________________________________________________