A minima rotation worth the name is specified which corresponds to the age at which the trees reach the exploitable size which is usually 120 years, but is 150 years for the deodar, fir and kail in the moist zone of Kaghan 200 years for the ry zone of ______

Related Mcqs:

1. The conifers rarely exceed 8 m. In height, the broadleaved trees reach about 9m. And the shrub growth about ______

   A. 1 to 3m
   B. 1 to 4m
   C. 1 to 5m
   D. 1 to 5m

2. Common combinations of the agroforestry system in Pakistan are: Trees species: Agricultural crops grown with trees:

   A. Poplars: wheat / maize / turmeric / sugarcane / vegetables / fodder
   B. Eucalypts: wheat/sunflower/tomatoes/potatoes/chilies
   C. Simal: maize/sunflower/vegetables/fodder
   D. Shisham: turmeric/wheat/maize/vegetables
   E. All of the above

3. Deodar normally found in:

   A. Seashore of Karachi
   B. In the Hills of Punjab
   C. Plains of Punjab
   D. None of these

4. Cardus deodara (Deodar) period of ripening of seed is:

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

5. Deodar (Cedrus deodara) utilization of timber:

   A. Railway sleepers Cross arms
   B. Carriage and wagon work
   C. House building beams, floor boards
   D. Door and windows frames
   E. All of the above

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

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

7. Fir (Abies pindrow) utilization of timber:

   A. Packing cases, railway sleepers
   B. Planking for floors
   C. Ceiling, cheap type of doors and windows
   D. House construction, plywood, match manufacture
   E. All of the above

8. The world’s tallest cut Christmass tree was 67.36 meters (221 ft.) tall Douglas fir (Pseudosuga menziesil):

   A. 67.36 meters (221 ft.)
   B. 70 meters
   C. 75 meters
   D. None of these

9. In western Himalayas, the Betula trees usually occur in:

   A. Tropical zone
   B. Sub-tropical zone
   C. Alpine zone
   D. Temperate zone

10. Dominant tree: Including all trees which form the upper most leaf canopy and have their leading shoots free. These are usually sub-divided into:

    A. Predominant trees comprising all the largest trees which determine the general top level of the canopy
    B. Codominant trees which fall short of this, averaging about 5/6th of the height of predominant
    C. Trees with forked leader and similar defects
    D. All of the above