Jar o’quv markazi biologiya – 1

A) 3; 4B) 2; 4 C) 2; 3 D) 1; 2
10-VARIANT BIOLOGIYA

1.Rizosfera hujayrasining qaysi tuzilmasi nuklein kislotagaega?

1) ribosoma; 2) yadro; 3) mitoxondriya; 4) xloroplast;

5) yadrocha; 6) plazmida; 7) hujayra markazi

A) 1,6 B) 2, 5 C) 6, 7 D) 3, 4
2.O‘simliklarning rivojlanishi haqidagima’lumotlardan noto‘g‘risini aniqlang.

A) Funariya.ning rizoidi zigotaning,sporangiybandi sporaning rivojlanishidanhosil b o ‘ladi

B) Zuhrasochning poya-barglari zigotaning,rizoidi sporaning rivojlanishidan hosil b o ‘ladi

C) Dala qirqbo‘g ‘imining ildizpoyali bo‘g‘inizigotaning, erkak o ‘simtasi sporaning rivojlanishidan hosil bo‘ladi

D) Archa ikki uyli o'simlik bo‘lib, tuxumhujayrasi arxegoniyda yetiladi

ma’lumotlardan noto‘g‘risini aniqlang.
3.Kalamit (a), ustritsa (b) va leyshmaniya (c) ga tegishli ma’lumotlarni to‘g‘ri juftlang.

1) avtotrof organizm; 2) prokariot organizm;

3) umurtqali hayvon; 4) eukariot organizm;

5) geterotrof organizm; 6) umurtqasiz hayvon