Advantage of Heck’s correction: Selected trees will have:

Related Mcqs:

1. 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

2. Large scale reseeding of selected grasses and lagumes can be undertaken immediately in comparaively high rainfall areas of:

   A. Pothwar
   B. Himalayan forest grazing land
   C. Salt range
   D. All of the above

3. 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 ______

   A. Swat
   B. Naran
   C. Kaghan
   D. None of these

4. From felled trees is:

   A. Seed should be collected from recently felled trees and time of felling
   B. Should be fixed with time of seed harvest (e.g) from the felling coupe trees
   C. Both (a) & (b)
   D. None of these

5. Measurement of Diameter several instruments are used for measuring the diameters of trees depending on such circumstances as the position and condition of the part of the tree that is to be measured, the degree of accuracy required, and the portability, etc., of the instrument:

   A. The Rule
   B. The caliper
   C. The Diameter Tape
   D. Dendrometers
   E. All of the above

6. The growth of trees can be measured in the form of:

   A. Diameter
   B. Height
   C. Volume either of standing timber
   D. All of the above

7. Tamarix-Poplar Forest is a dense thicket of Tamarix spp. With varying number of poplar trees are distributed on fresh silt alluvium of the riverain tract of the Indus between Muzaffargarh and Hyderabad with isolated occurrences as far north as _________

   A. Peshawar
   B. Mardan
   C. Swat
   D. Gilgit

8. Trees as source of protein by which way:

   A. Forests are the natural habitat of all wildlife
   B. A large variety of trees, shrubs and grasses in different ecological zones
   C. Which should support a large number of birds, mammals and reptiles for cover as well as food
   D. All of the above

9. The classes of trees are removed in selection thinning:

   A. They are restricting the development of their neighbours on all sides
   B. They are less valuable than their neighbours
   C. They are of no special importance with regard to desirable species mixture
   D. All of the above

10. The natural defects (in standing trees) are:

    A. Knots
    B. Reaction wood or abnormal wood
    C. Brashness
    D. Grains
    E. All of the above