Breeders seed production is taken up from the nucleus seed B and A lines are pollinated in an isolation of 1 Km in a ratio of_________________?

Related Mcqs:

1. Oka (1975) has suggested that me population size suitable for maintenance and seed production of a commercial crop of a self pollinated species should be________________?

   A. 100 plants
   B. 200 plants
   C. 300 plants
   D. 400 plants

2. In pulses, for the production of nucleus seed we require minimum of_________________?

   A. 300 plant progenies
   B. 400 plant progenies
   C. 500 plant progenies
   D. 200 plant progenies

3. In Bindi, production of foundation seed needs an isolation distance of__________________?

   A. 100 meters
   B. 50 meters
   C. 200 meters
   D. 3 meters

4. In Sunflower, production of foundation seed requires as isolation distance of__________________?

   A. 400 meters
   B. 800 meters
   C. 200 meters
   D. 100 meters

5. In wheat, production of certified seed needs an isolation distance of____________________?

   A. 5 Meters
   B. 4 Meters
   C. 3 Meters
   D. 2 Meters

6. Progeny of nucleus seed is called_________________?

   A. Basic seed
   B. Breeder seed
   C. Foundation seed
   D. All the above

7. Progeny of nucleus seed is called__________________?

   A. Foundation seed
   B. Breeder seed
   C. Certified seed
   D. Registered seed

8. The seed dormancy of rice seed can be broken by putting into the oven at____________________?

   A. 50°c for 5 hrs
   B. 53°c for 6 hrs
   C. 45°c for 6 hrs
   D. none of the above

9. Hitting the seed with force against a hard surface to break seed dormancy is called_______________?

   A. Impaction
   B. Abrasion
   C. Stratification
   D. Scarification

10. The sever salinity problem has taken lands out of production as___________________?

    A. 50%
    B. 10%
    C. 45%
    D. 30%