Suppressed trees (S) is:

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. 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

3. Diseased trees (k) including those which are infected with parasites to such an extent that their growth is seriously affected or that they are a danger to their neighbours:

   A. Dominant
   B. Dominated and suppressed
   C. Both (a) & (b)
   D. None of these

4. Dead and Moribund trees (m) include:

   A. Bent over
   B. Badly leaning trees usually of the whip type
   C. Both (a) & (b)
   D. None of these

5. Dominated trees (d) is:

   A. Which do not form part of the upper most leaf canopy
   B. But the leading shoots of which are not definitely overtopped by the neighbouring trees
   C. Both (a) & (b)
   D. None of these

6. 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

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

   A. Faster rate of growth
   B. Rotation will be shorter
   C. Both (a) & (b)
   D. None of these

8. Honey from trees is how obtained:

   A. Rearing of bees for honey is a very lucrative income generating industry
   B. Well suited to the way of life of the rural population and a very useful source of much needed additional income to the farmer
   C. Both (a) & (b)
   D. None of these

9. Trees and the landscape is:

   A. Trees and shrubs play in important and significant role in improvement of the landscape
   B. By judicious use of trees, it has been possible to convert, dull drab and nonotonous country side into a green and colorful expanse
   C. Both (a) & (b)
   D. None of these

10. The sequence: blue green algae – crustose lichen – foliose lichen – mosses – shrubs – dicot trees represent

    A. Genetic drift
    B. Ecological succession trend
    C. A food pyramid
    D. A phylogenetic trend