Mechanical scarification is:

Related Mcqs:

1. Acid scarification is:

   A. The purpose of acid scarification is to modify hard
   B. Or impermeable seed coverings
   C. Both (a) & (b)
   D. None of these

2. Reduction of mechanical and vascular tissue and poor roots are found in:

   A. Hydrophytes
   B. Xerophytes
   C. Halophytes
   D. None of these

3. Mechanical tissues and xylem are highly reduced in Hydrilla because:

   A. Water provides the support and there is no problem for the absorption and conduction of water
   B. Otherwise the weight of these tissues would drown the plant
   C. Of the anaerobic conditions created by submergence
   D. Otherwise translocation of food would have been interrupted

4. Mechanical thinning is:

   A. The trees to be cut or retained are chosen on the basis of a predetermined spacing
   B. Or pattern with little or no regard for their position in the crown canopy
   C. Both (a) & (b)
   D. None of these

5. The major types of nurseries is:

   A. Bed nursery
   B. Pot nursery
   C. Both (a) & (b)
   D. None of these

6. Cedrela toona period of ripening of seeds is:

   A. May – July
   B. March – April
   C. June – July
   D. None of these

7. Quercus semcarpifoli period of ripening of seeds is:

   A. January – March
   B. July – August
   C. November – December
   D. None of these

8. Albizzia procera period of ripening of seed is:

   A. May – July
   B. March – April
   C. February – April
   D. None of these

9. Pinus wallichiana (Blue pine) period of ripening of seed is:

   A. June – July
   B. September – November
   C. February – April
   D. None of these

10. Arbocides are:

    A. 2-4 ? D
    B. 2-4 ? ST
    C. Ammonium sulphate
    D. Arsenic compound
    E. All of the above