Group shelter wood system means:

Related Mcqs:

1. Uniform shelter wood system means:

   A. If canopy is opened out evenly in making regeneration felling
   B. If the canopy is opened out by creating scattered gaps which are subsequently extended over the whole area
   C. If the canopy is opened out gradually and irregularly with a resulting in a more uneven aged forest
   D. None of these

2. Irregular shelter, wood system means:

   A. If canopy is opened out evenly in making regeneration felling
   B. If the canopy is opened out by creating scattered gaps which are subsequently extended over the whole area
   C. If the canopy is opened out gradually and irregularly with a long regeneration period, resulting in a more uneven aged forest
   D. None of these

3. Shelter wood system can be classified:

   A. Uniform shelter wood system
   B. Group shelter wood system
   C. Irregular shelter wood system
   D. All of the above

4. Reaction wood or abnormal wood are:

   A. Compression wood (CW)
   B. Tension wood (TW)
   C. Both (a) & (b)
   D. None of these

5. Shad and shelter is:

   A. Pakistan were summer temperature go as high as 45
   B. The trees planted on farm and marginal lands and along the roads, canals and railway tracks play a very import role in reducing the suffering of people
   C. Both (a) & (b)
   D. None of these

6. Improve wood utilizations means:

   A. Introduce more efficient wood burning stoves
   B. Encourage use of reconstituted wood over solid wood
   C. Research and develop more efficient and suitable logging technology
   D. Evolve technology for industrial uses of inferior and small sized woods
   E. All of the above

7. The overall weight of quantity of wood is affected by the factors:

   A. Density
   B. Moisture content
   C. Bark and foreign material
   D. All of the above

8. Source of heating cooking, construction wood and minor produce is:

   A. Fuel wood
   B. Charcoal
   C. Production of construction timber
   D. Wood based industries as livelihood for the people
   E. All of the above

9. Poplar and eucalypt wood has proved suitable for new and uses such as ______.

   A. Furniture
   B. Cross arms
   C. Scaffolding
   D. Shuttering
   E. All of the above

10. What is the causes of abnormal wood (CW/TW)?

    A. To Evarts and Mason (106) it is due to gravity
    B. Metzger (1908) says it is due to tension and compression
    C. Wersking and Baily, due to (1942) increase or decrease in plant hormones
    D. Philips says (1940), it is due to wind
    E. All of the above