Vigor index of seedings in rice can be determined on___________________?

Related Mcqs:

1. Who described the method of estimating seed vigor on the basis of colour intensity of stained seed________________?

   A. Woodstock (1976)
   B. Kittock and Law (1969)
   C. Maguire (1962)
   D. Nicolls & Heu Decker (1968)

2. Yield losses of rice crop due to weed infestation are___________________?

   A. 10-20%
   B. 5-15%
   C. 20-50%
   D. 20-60%

3. Better crop establishment especially for direct seeded rice can be obtained by using________________?

   A. High density grain
   B. Low density grain
   C. Both a & b
   D. None of the above

4. Azolla which fixes nitrogen in rice field is__________________?

   A. Bacteria
   B. Fungi
   C. Ferm
   D. None of the above

5. A crop grown on residual moisture after harvesting rice is called__________________?

   A. Barani crop
   B. Dubari crop
   C. Ratoon crop
   D. Sure crop

6. A crop grown on residual moisture after harvesting rice is called__________________?

   A. Barani crop
   B. Dubari crop
   C. Ratoon crop
   D. Sure crop

7. In rice, high silicon content, in shoot confers resistance to_________________?

   A. Leaf borer
   B. Stem borer
   C. Root borer
   D. All the above

8. Abnormal seeding growth in rice may be due to_________________?

   A. Intrinsic Mechanism
   B. Lack of integrity in seed cells
   C. Endogenous inhibitors
   D. Al the above

9. Abnormal seeding growth in rice is more closely related, with______________?

   A. IID grains
   B. LD grains
   C. Both a & b
   D. None of the above

10. Preferable form of nitrogen for rice under submerged soil conditions is ____________?

    A. NH4
    B. NO3
    C. NO2
    D. All of these

    Submitted by: Muhammad Rehan