Earliest method of plant breeding?

Related Mcqs:

1. Nutritional quality breeding deals with genetic improvement in__________________?

   A. Oil B. Protein C. Vitamin D. All the above...

2. In allogamous species, a true breeding line obtained by continuous inbreeding is__________________?

   A. Hybrid B. Top cross C. Poly cross D. Inbred...

3. Mendel studied contrasting characters for his breeding cxperiments with peas which of the following character he did not study_______________?

   A. Pod color B. Pod shape C. Plant height D. Leaf shape...

4. The spread of genes from one breeding population to another by migration which may result in changes in gene frequency is called__________________?

   A. Gene flow B. Genetic drift C. Gene frequency D. None of the above...

5. Out breeding leads to reproduction in____________________?

   A. Heterozygosity B. Homozygosity C. Population mean D. None of the above...

6. Mutation breeding is mostly used in____________________?

   A. Self pollinated crops B. Cross pollinated crops C. Vegetative propagated crops D. Often cross pollinated crops...

7. The spread of genes from one breeding population to another by migration which may result in changes in gene frequency is called________________?

   A. Gene flow B. Genetic drift C. Gene frequency D. None of the above...

8. 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...

9. 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%...

10. 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...