5-sinf biologiya darsligidan nazorat testi

c]quruq yo’tal,tomoq og’rig’iga davo                             d]barchasi 

17.Tabiat sanitarlari hisoblanadigan hayvonlari aniqlang.                                                                                                         

a]pashsha,chivin                                                             b]leyshmaniya,tripanasoma                                                            

c]yomg’ir chuvalchangi,go’ng qo’ng’izi                       d]asalari,kapalak 

18.Yassi chuvalchanglarga xos bo’lgan ma’lumotni aniqlang.                                                                                      

a]tanasining orqa qismi o’rtadan chetga tomon yassilashib boradi,tana bo’shlig’I bo’lmaydi                                

b]tanasi bitta hujayradan iborat,hujayrasida hazm qiluvchi va qisqaruvchi vakuola mavjud                       

c]tanasi tashqi-ektoderma va ichki endoderma qavatlaridan iborat                                                    

d]ko’ndalang kesimi yumaloq shaklda,tashqi tomondan pishiq qobiq –kutikula bilan qoplangan.