A o’simliklarning paydo bo’lishini b zamburug’larni ichki, tashq tuzilishini


a) 12 kg b) 25 kg s) 10 kg d) 200 kg


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a) 12 kg b) 25 kg s) 10 kg d) 200 kg

  1. Qaysi o’simlik tanasida 200 litrgasha suv saqlaydi ?

a) ajdar daraxti b) meksika yong’oqlari
s) meksika kaktuslari d) seyshel palmasi

  1. Olti ming yilgacha umr ko’radigan daraxt qaysi orolda o’sadi ?

a) Sumatra b) seyshel
s) Kanar d) to’g’ri javob yo’q

  1. Seyshel orolida o’suvshi seyshel palmasining mevasi nesha yillar mobaynida pishib yetiladi ?

a) 12 b) 25 s) 200 d) 10

  1. Poyasi suv tagida bo’lib, guli suv yuzasida oshiladigan o’simlik qaysi ?

a) suv yong’og’i b) rafleziya
s) nilufar d) suv qaroqshisi

  1. Noyob mevali o’simlik(lar)ni belgilang?

a) pista, sallagul b) safsan, jumagul
s) bodom, namatak d) pista, safsan

  1. Qaysi daraxt 6 000 yilgacha umr ko’radi ?

a) arsha b) soxta kashtan
s) meksika kaktuslari d) ajdar daraxti

  1. Ulkan gul qaysi orolda uchraydi?

a) Sumatra b) Seyshel
s) Kanar d) to’g’ri javob yo’q

  1. Gulli o’simliklarning xilma-xilligi qanday sharoitning o’zgarishiga bog’liq ?

a) ekologik b) kimyoviy
s) fiziologik d) geografik

  1. Sharoit o’zgarishi bilan o’simliklarda … paydo bo’lgan. Mos javobni qo’ying.

a) qirilib ketish xavfi
b) barq urib rivojlanish belgilari
s) yangi muhitga xos belgilar
d) chidamlilik

  1. Yangi sharoitga moslasha olmagan o’simliklar … Mos javobni qo’ying.


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