Biologiya fanidan

e-endosperimida
A)a-18,b-9,c-9,d-18,e-27
B)a-18,b-9,c-9,d-9,e-18
C)a-18,b-9,c-18,d-18,e-27
D)a-18,b-9,c-9,d-18,e-18


33.Turup o`simlining kariotipida 18 ta xromasoma bo`lsa,
Uning a-barg og`izchalarida,
b-tuxum hujayrasida,
c-mikrosporasida,
d-arxeosporasida,
e-endosperimida
A)a-18,b-9,c-9,d-18,e-27
B)a-18,b-9,c-9,d-9,e-18
C)a-18,b-9,c-18,d-18,e-27
D)a-18,b-9,c-9,d-18,e-18


34. Qalampir o`simlining kariotipida 48 ta xromasoma bo`lsa,Uning a-barg og`izchalarida,
b-tuxum hujayrasida,
c-mikrosporasida,
d-arxeosporasida,
e-endosperimida
A)a-48,b-24,c-24,d-48,e-72
B)a-48,b-24,c-24,d-24,e-48
C)a-48,b-24,c-48,d-48,e-72
D)a-48,b-24,c-24,d-48,e-48
35.Makkajo`xorini 2 mm^2 joylashgan ildiz tukchalaridagi jami xromasomalar sonini aniqlang.
A)28000 B)26000
C)24000 D)20000
36.Makkajo`xorini 1 mm^2 joylashgan ildiz tukchalaridagi jami xromasomalar sonini aniqlang.
A)7000 B)26000
C)14000 D)20000
37.Makkajo`xorini 2 mm^2 joylashgan ildiz tukchalaridagi jami autasoma xromasomalar sonini aniqlang.
A)28000 B)26000
C)24000 D)25200


38.Makkajo`xorini 1 mm^2 joylashgan ildiz tukchalaridagi jami xromasomalar sonini aniqlang.
A)28000 B)14000
C)12600 D)7000


39.Ulotriksni jinsiy ko`payishida 128 ta gameta hosil bo`lgan bo`lsa shu gametaning 50% dan zigota hosil bo`lgan zigotaning 25% dan ulotriks iplari hosil bo`ldi.
Qanacha ulotriks iplari hosil bo`lgan?
A)64 B)32 C)128 D)16


40.Ulotriksni jinsiy ko`payishida 512 ta gameta hosil bo`lgan bo`lsa shu gametaning 25% dan zigota hosil bo`lgan zigotaning 50% dan ulotriks iplari hosil bo`ldi.