Crossed between mandarin and grape fruit make________________________?

Related Mcqs:

1. The storage life of grape fruit at 50ºF with R.H of 90% is _____________________?

   A. 2-3 weeks
   B. 4-6 weeks
   C. 4-8 weeks
   D. 10 weeks

2. Commercial grape cultivation is called__________________?

   A. Cirticulture
   B. Olericulture
   C. Viticulture
   D. Sericulture

3. 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

4. Red (RR) is crossed with white (ww). All the (Rw) offsprings are pink this is an indication that the R gene is_________________?

   A. Recessive
   B. Incomplete dominant
   C. Mutant
   D. Dominant

5. In a monohybrid cross, 2 heterozygous individuals were crossed, phenotypic ratio came to be (2:1), it is due to__________________?

   A. Dominant lethal genes in heterozygous individuals
   B. Dominant lethal genes in homozygous individuals
   C. Dominant epistasis
   D. None of the above

6. 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%

7. When red tall plant is crossed with dwarf white plant all the plants of F, are found to be tall red. which of the following ratio will be available when a test cross is made_________________?

   A. 3:1
   B. 1:2:3
   C. 1:1:1:1
   D. 1:2:1

8. If the offspring of F, (blue) is crossed with white male parent the result will be______________________?

   A. All blue
   B. All white
   C. All black
   D. Half blue and half white

9. 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

10. When a wheat variety with red kernels (homozygous for two non allelic and independent dominant genes) is crossed with white kenneled wheat (homozygous for two recessive non allelic independent genes), the phenotypic ratio in the F2 generation would be________________?

    A. 9:3:3:1
    B. 9:7
    C. 9:9:9:3:3:3:1
    D. 1:4:6:4:1