How to induce flowers and stimulation of flowering and seedling are:

Related Mcqs:

1. _________ consists of a crop arranged in two different stories, one above the other; each story being approximately even-aged not of seedling as opposed to coppice origin:

   A. Two-storied high forest
   B. Three-storied high forest
   C. Four-storied high forest
   D. Five -storied high forest

2. The optimum temperature for seedling growth in the upper gangetic plains is around:

   A. 10? – 15?C
   B. 5? – 10?C
   C. 20? – 25?C
   D. 30? – 40?C

3. Flowering is induced if germinating seeds are exposed to:

   A. Low temperature
   B. High Temperature
   C. Temperature below freezing
   D. Temperature above 45 degree C

4. Commonly grown flowering shrubs and trees are:

   A. Delonix regia, Bojer
   B. Millettia ovalifolia, Kurz
   C. Erytherina glabrescens, Parker
   D. Cassia fistula, Linn
   E. All of the above

5. The stages in the development of a tree are:

   A. Seedling
   B. Sapling
   C. Pole
   D. Tree stages
   E. All of the above

6. Thorniness means:

   A. It is generally characteristics of species, which are growing in a dry area
   B. Are longer when present in a young coppice or shoot
   C. Both (a) & (b)
   D. None of these

7. Reasons for fluting (buttressing) stem:

   A. Such irregularity may be the result of epicormic branches
   B. Also because of insect attack and genetical inheritance
   C. Both (a) & (b)
   D. None of these

8. General characteristics of crown are:

   A. In young age crowns are usually conical in shape but as the time passes the crown shape becomes rounded
   B. Drooping forms also occur in many species e.g. Polyalthia longifolia
   C. Both (a) & (b)
   D. None of these

9. Crown includes:

   A. Palm trees
   B. Bamboo
   C. Conifers
   D. All of the above

10. Shapes of crown serve to expose the leaves to sunlight and air. The types of crowns of tree:

    A. Conical
    B. Umbrella
    C. Spherical
    D. Columnar
    E. All of the above