VARIANT N_12 1. AN- 402, Samarqand, Yulduz navlari kim tomonidan
yaratilgan?
A) A.M.Muzaffarov
B) O.Jalilov, N.Nazirov
C) S.Asqarova
D) Sodiq Miraxmedov
2. Kechpishar- 1, o’rtapishar- 2 kartoshka navlarini ko’rsating.
A) 1- nimrang; 2- Obidov
B) 1- Sanzor; 2- Samarqand
C) 1- Obidov; 2- nimrang
D) 1- Zarg’aldoq; 2- Farxod
3. “Soxibi”, “Gultish” kabi navlar qaysi o’simlik uchun xos?
A) uzum
B) kartoshka
C) makkajo’xori D) shaftoli
4. Qaysi O’zbekistonlik olim meva va rezavor
mevalarning 200 ga yaqin navlarini yaratdi?
A) Oston Jalilov
B) J.A. Musayev
C) Maxmud Mirzayev
D) D. Abdukarimov
5. Quyidagi javoblardan qaysi biri shaftolining navi
hisoblanmaydi?
A) “Farxod”
B) “Zarg’aldoq”
C) “Vatan” D) “Hiloliy”
6. Mamlakatimiz chorvachiligiga katta xissa qo’shgan
O’zbekistonlik olimni ko’rsating.
A) M.M.Bushev
B) A.M.Muzaffarov
C) Sodiq Miraxmedov
D) M. Mavloniy
7. Bug’doyning oktaploid turi yaratilsa, uning xromosoma soni
qanday bo’ladi?
A) 14
B) 24
C) 48
D) 56
8. Qaysi olimlar O’zbekistonda mikrobiologiya sohasiga katta
xissaqo’shishgan?
1- O.Jalilov; 2- N.Nazirov; 3- Mahmud Mirzayev;
4- A.M.Muzaffarov; 5- M.I.Mavloniy; 6- S.Asqarova; 7-
A.Xolmurodov; 8- J.A.Musaev;
A) 1,2,3,8 B) 1,3,5,7 C) 2,4,6,8 D) 4,5,6,7
9. Mamlakatimiz, sharoitiga mos, zararkunandalarga chidamli,
kam suv talab qiladigan g’alla ekinlarining navlarini ko’rsating.
A) Sanzor, Ulug’bek- 600
B) Toshkent- 1, Toshkent- 2
C) Samarqand, Yulduz
D) AN- 402, Vatan, Lola
