A place or area where maximum variability of crop plants is observed__________________?

Related Mcqs:

1. After self pollination of red flowered plants out of 40 plants of progeny were white flowered. this indicates that the plants are__________________?

   A. Heterogeneous
   B. Heterozygous
   C. Homogenous
   D. Homozygous

2. Gradual reduction on genetic variability due to elimination of various () is called_______________________?

   A. Centers of diversity
   B. Land races
   C. Genetic erosion
   D. Genetic diversity

3. Germplasm gene banks for different crop plants in world are about_____________________?

   A. 980
   B. 1080
   C. 1200
   D. 1100

4. The variety of genes and genotypes found in a particular crop special are_____________________?

   A. Genetic diversity
   B. Genetic erosion
   C. Gene sanctuaries
   D. Field gene banks

5. Which one is C3 crop plant__________________?

   A. Gram
   B. Tomato
   C. Onion
   D. all the above

6. The new crop critical has been evolved by intervener hybridization between________________________?

   A. Wheat & rice
   B. Rye & Wheat
   C. Wheat & Anglos
   D. Rice & maize

7. In crop improvement programmed haploids are of great importance because they__________________?

   A. Are useful in studies on meiosis
   B. Give homozygous lines following diplodization
   C. Grow better under adverse conditions
   D. Require only about half the amount of chemical fertilizers compared to diploids

8. Which one is C4 crop plant_____________________?

   A. Sugarcane
   B. Sorghum
   C. Maize
   D. all the above

9. Which one of the following is not a cereal crop?

   A. Paddy
   B. Wheat
   C. Sorghum
   D. Maize

   Submitted by: Bahram Rahi

10. If a plant heterozygous for tallness is selfed, f2 feneration has both tall and dwarf plants. this proves the principle of__________________?

    A. Dominance
    B. Segregation
    C. Independent assortment
    D. Incomplete dominance