A. Self incompatibility
B. Male sterility
C. Female sterility
D. All the above
Related Mcqs:
- If a pure tall plant is crossed with a pure dwarf one, the ratio of tall pure dwarf in the F 2 generation after selling F1 plant will be___________________?
A. 1:1
B. 1:2
C. 2:1
D. 3:1 - In seed formation the outer integument of the ovule shrinks and forms the seed coat, is called as_________________?
A. Tag men
B. Tesla
C. Axil
D. Seed coat - Heterosis results due to____________________?
A. Dominance
B. Overdominance
C. Epistasis
D. All the above - Problem of erosion in Thal and Cholistan is due to____________________?
A. Wind
B. Fire
C. Water
D. Atmosphere - Pneumatic potential is due to____________________?
A. Water
B. Petrol
C. Soil
D. Gas - Red flower pea plant is crossed with the white flowered pea plant, F1 is red; with flower color is ______________________?
A. Dominant
B. Recessive
C. Non-genetic
D. Unexpressive - The crossing of a yomozygous tall plant and a homozygous dwarf plant would yield plants in the ratio of_________________?
A. 2 tall: 2 dwarf
B. All homozygous dwarf
C. All the heterozygous tall
D. One homozygous tall, one homozygous dwarf, two heterozygous tall - If a heterozygous tall plant is crossed with a homozygous dwarf plant the proportion of dwarf progerry will be__________________?
A. 25%
B. 50%
C. 75%
D. 100% - When an albino plant of maize (female) is crossed with normal green plant (male) all plants in the progeny are albino because___________________?
A. Albinism is dominant over green characters
B. Green plastids of male parent become nitrated
C. Plastids are inherited through maternal parents
D. Crossing over results in structural changes in green plastids - A normal plant suddenly started reproducing parthengentically. the number of chromosomes of the second generation compared to the parent plant will be____________________?
A. Double
B. One half
C. One fourth
D. Same
