Hybrid and deltoids poplars is:

Related Mcqs:

1. Insects and disease of poplars/are:

   A. Like every other plant
   B. Also susceptible to may diseases and damages by bacteria, fungi, insects and wild animals
   C. Almost all parts of the tree i.e., stem, leaves, branches and roots etc., are affected by one disease of the other.
   D. Poplars have met quite of few other adversaries in different parts of Pakistan
   E. All of the above

2. For instance consumptive use of water by tamrix is 22 to 28,000 m3/ha/annum while that of willows and poplars is 7,700 to 13,500 and _____

   A. 6,500 to 23,00 m3
   B. 5,500 to 20,500 m3
   C. 4,500 to 18,500 m3
   D. None of these

3. Hybrid Poplar (Populus euroamericam) utilization of timber :

   A. Packing cases and crates, match splint and boxes, veneer
   B. Plywood, rural house construction and pulp and paper
   C. Both (a) & (b)
   D. None of these

4. Mechanical scarification is:

   A. The purpose of mechanical scarification is to modify hard
   B. Or impervious seed coats
   C. Both (a) & (b)
   D. None of these

5. Storage of seed is:

   A. Sometimes the seed has to be stored till sowing time
   B. Also many species produce good seed crops only at interval of several years
   C. The seed collected in good years must be stored for several years to provide for the lean years
   D. All of the above

6. Juglans regia period of ripening of seeds is:

   A. January – March
   B. March – April
   C. February – April
   D. September – October

7. Albizzia procera period of ripening of seed is:

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

8. Acacia senegal period of ripening of seed is:

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

9. Abies pindrow (Fir) period of ripening of seed is:

   A. September – November
   B. May – July
   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