1-blok. 8-sinf. 2-chorak monitoring uchun test. Ona tili. 1-variant

1-BLOK. 8-sinf. 2-chorak monitoring uchun test. BIOLOGIYA. 1-variant

1)Burun bushligining funksiyasi

A) Havoni tozalab berish B) Havoni namlash va isitish
C) Mikroblarni tutish D) Hamma javob tugri
2) Nafas yo’llarini zararlaydigan infeksion kasalliklar
A) Grip terlama B) Zotuljam Qizamiq
C) Grip sel D) Angina terlama
3) Odam tanasida qancha limfa tuguni bor
A) 600 B)201
C)460 D) 700
4) Qon deposi vazifasini qaysi organ bajaradi
A) Jigar B) Yurak
C) Taloq D) Limfa
5) Nafas olish jarayoni necha qismdan iborat
A) 4 B) 3
C) 5 D) 2
6) Kekirtakning uzunligi qancha
A) 16-20mm B) 9-13sm
C) 20m D)10sm
7) Alveolalar soni 2 ta o’pkada qancha
A) 100m B) 700ml
C) 750mln D) 100mln
8) o’pka vensilatsiyasi qanchaga teng
A) 8 –l B) 9-l
C) 800ml D)500ml
9) o’pkaning tiriklik sig’imi qancha
A) 500ml B) 3500ml
C) 8000ml D) 100ml
10) Atmosfera havosi tarkibida qancha azot bo’ladi
A) 79,7 B) 79,3
C) 79,00 D) 20,94 %
11) Bo’lmacha va qorinchalarning kengayishi nima deyiladi
A) Sistola B)Diostola
C) Sikl D) Yurak avtomatiyasi
12) Yurak qorinchasidan chiqib, tananing hamma qismlariga qon olib
boruvchi qon tomirlari qanday ataladi
A) Kopillayor qon tomirlari
B) Arteriya qon tomiri
C) vena qon tomiri
13) Tamaki tutuni tarkibida qancha zaharli modda bor
A) 2000 B) 3000 C) 1200

14) O’pkalar qanday shaklda bo’ladi

15) Ovoz boylamlari erkaklard qancha

1-BLOK. 8-sinf. 2-chorak monitoring uchun test. FIZIKA. 1-variant

1. 
   Bir-biridan 10 sm masofada turgan sharchalarddan birining zaryadi -2*10^-8_C ^{ikkinchisining zaryadi esa} 3*10^-8_C. Ular qanday kuch bilan tortishadi?
   

A)5.4*10^-4 _N B) 5.4 N C) 5.4*10^-2 _N

2. 
   Zaryadi -5*10^-8 _C bo’lgan nuqtaviy zaryadning 3 sm masofada hosil qilgan elektr maydon kuchlanganligini toping ?
   

1. 
   3*10^-4 _{N/C B) 50kN/C C) 50N/C}
   

3. 
   Kandensatorlar parallel ulanganda umumiy sig’im formulasini ko’rsating?
   

1. 
   C=C₁+C₂+C₃+…
   
2. 
   1/C=1/C₁+1/C₂+1/C₃+…
   
3. 
   Ikkala javob ham o’rinli
   

4. 
   Zaryadlanmagan jismda elektr zaryadlar bo’ladimi?
   

A) Ha B) Yo’q C) Ba’zi hollarda

5. 
   Tok kuchining birligi qaysi olim sharafiga qo’yilgan?
   

1. 
   Alessandro Volt B)Andre Mari Amper C) Geork Simon Om
   

6. 
   Elektr kuchlanishning formulasini ko’rsating ?
   

1. 
   U=A/q B) U=q/t C) U=I/R
   

7. 
   Tok kuchining hususiy formulasini ko’rsating ?
   

1. 
   I=U/R B) I=q/t C) I=pl/S
   

8. 
   Elektr qarshiligi formulasini ko’rsating ?
   

1. 
   R= pl/S B) R=q/t C) R=F/q
   

9. 
   Uzunligi 100 m va ko’ndalang kesimini yuzasi 2 mm² bo’lgan mis simining qarshiligini toping ? p=0.017*10^-6 om.m
   

1. 
   8.5Om B) 0.85Om C) 850 Om
   

10. 
    Zanjirning bir qismi uchun Om qonuni ifodasini ko’rsating ?
    

1. 
   I=U/R B) I=q/t C) I=UR
   

11. 
    Rezistor uchlaridagi kuchlanish 9V ga teng. Unda 0.5 Amper tok o’tishi uchun uning qarshiligi qancha bo’lishi kerak ?
    

1. 
   15 Om B) 20 Om C) 18 Om
   

12. 
    O’tkazgichning elektr qarshiligi uning ko'ndalang kesim yuzasiga qanday proporsional ?
    

1. 
   To’g’ri B) Teskari C) Qarshilikning yuzaga hech qanday bog’liqligi yo’q
   

13. 
    Elektr kuchlanish qanday birlikda o’lchanadi ?
    

1. 
   Amper B) Om C) Volt
   

14. 
    Zaryadli zarralarni tartibli harakati, ya’ni oqimi ……… deyiladi.
    

15. 
    Kulon qonuni formulasini ko’rsating ?
    

Biz bilan bog’lanish uchun:


@ustozlar_uchun


Biz bilan bog’lanish uchun:


@ustozlar_uchun