biologiya 5-sinf 2-variant

1-variant biologiya 5-sinf 2-variant 1. hujayra qanday ko'payadi? a) bo'linib b) jinsiy s) spora bilan d) to'g'ri javob yo'q 2. gulning diametri 1 m bo'lgan o'simlik? a) nilufar b) hashorotxo'r s) refleziya d) to'g'ri javob yo'q 3. «kitob as-saydana fit-tib asari muallifi kim? a) ibn sino b) al-farg'oniy s) abu rayhon beruniy d) zamahshariy 4. o'simlik hujayrasi asosan necha qismdan iborat? a) 3 b) 4 s) 5 d) 10 5. yer yuzida guli o'simliklarning necha xili bor? a) 350 ming b) 400 ming s) 250 ming d) 500 ming 6. yovvoyi yem-xashak o'simligi? a) shuvoq b) ravoch s) isiriq d) noxot 7. ajdar daraxti necha yil umr ko'radi? a) 5000 b) 2000 s) 1000 d) 6000 8. daraxtni belgilang? a) …

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