понедельник, 21 мая 2012 г.



Tabiatshunoslik fanidan test topshiriqlari 
3-sinf 1-variant


1.Tabiatshunoslik darsligining  muallifi kim?
         a)Akbar Bahromov       b)Qumni Abdullayeva            s)M Mirzamatova
2. Suv qanday holatda uchraydi.
         a) suyuq      b)qattiq      s) suyuq,qattiq,gazsimon
3.Havoning tarkibida qanday moddalar bor?
         a) Kislorod           b) Kislorod,azot,korbonat angidrid           s) azot
4. Tabiiy ravishda chuqurlikda yig’ilgan suv nima?
         a)daryo           b) ko’l              s) anhor
5. Okeanning bir qismini belgilang.
         a) dengiz               b) daryo               s) ko’l
6. Geologlar qanday ish bilan shug’ullanadilar?
        a) foydali qazilmalarni topadilar
        b) havo haroratini olchaydilar
        s) o’simliklarni organadilar
7. O’simliklar oziq moddalarni qanday oladi?
       a) suv bilan            b)ildiz bilan          s)suv bilan birga ildiz orqali
8. Qoqio’tning nimasidan dori tayyorlanadi?
       a) poyasidan                    b)sharbatidan      s) bargidan
9. O’tlar necha yillik bo’ladi?
       a) bir yillik     b) ko’p yillik      s) bir yillik, ikki yillik va ko’p yillik
10. Begona o’tlar orasida eng havflisi qaysi?
        a) zarpechak                   b) g’umay            s) sho’ra
11. Qulupnay necha yillik o’simlik.
        a) bir yillik   b) ikki yillik         s) ko’p yillik
12. Mevali buta o’simliklarini aniqlang?
        a) anjir, olma, gilos                  b) anjir, anor, malina    s) malina, anjir, o’rik, behi
13. Ipak nimadan olinadi?
        a) pilladan             b) pahtadan                   s) tutdan
14. O’z vazniga teng miqdorda oziqlanidigan qush?
        a) chittak     b) kakku     s) chug’urchuq
15. Nerv sistemasi qanday qismlardan iborat
         a) bosh miya va orqa miyadan tarqalgan nervlar    b) muskul, pay    s) nervlar ,yurak
16. Sezgi organlariga nimalar kiradi?
         a) koz, quloq, qo’l         b) burun, oyoq, yuz      s) ko’z, quloq, burun, til, teri
17. Skelet nimadan tashkil topgan?
         a) paylardan              b) suyaklardan              s) teridan
18. Qon yurakdan tananing organlariga qanday yetib boradi?
         a) nervlar orqali       b) teri orqali       s)tomir orqali
19. Odam sog’ligi uchun qanday mahsulotlar zarur?
        a) hayvon mahsulotlari            b) o’simlik mahsuloti    s) hayvon va osimlik mahsuloti
20. 1ta sigaret inson umrini qanchaga qisqartiradi?-100 tasi-chi?
        a) 25 min; 41 soat 40 min      b) 25 min; 40 soat 40 min       s) 25 min; 41 soat 30 min

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