Biologiya fanidan

121.Olcha (a), turp (b), qalampir(c) o'simliklarining barg hujayralari kariotipida xromosomalar soni nechtaga teng? 1) 48; 2) 32; 3) 18;

4) 16; 5) 32; 6) 24; 7) 46

A) a-5; b-з; c-1 B) a-2; b-4; c-7 C) a- 2;b-3;c-l D) a-4; b-3;c-l

122 Bodring ildiz hujayrasida 14 tadan xromosoma uchraydi. Uning a) murtagida; b) tuxum hujayrasida; c) chang donasinmg vegetativ hujayrasida; d) endosperm hujayrasida nechtadan xromosoma bo'ladi?

A) a-7; b-7; c-7; d-14

B) a-14; b-14; c-14; d-21

C) a-14; b-7; c-7; d-21

D) a-14; b-7; C-7; d-14
123. Ma’lum bir meva ichida 5 ta urug’ hosil bo’ldi. Shu urug’ hosil bo’lishida qatnashgan tuguncha(a),