Pinus roxburghil (Chir pine) period of ripening of seed is:

Related Mcqs:

1. Pinus helepensis (Quetta pine) period of ripening of seed is:

   A. October – November
   B. September – November
   C. March – April
   D. None of these

2. Pinus wallichiana (Blue pine) period of ripening of seed is:

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

3. Pinus gerardiana (Chalgozapine) period of ripening of seed:

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

4. Chir pine nursery is:

   A. To find out the growth response of chirpine seeds in different soil mixtures, effect of fertilizer, and suitable type of containers
   B. The best season for sowing the seed; and to find out optimum water regime for quick germination and growth
   C. Both (a) & (b)
   D. None of these

5. Chir (Pinus rixburghii) utilization of timber:

   A. Roofing, flooring, railway sleepers
   B. Transmission poles, cheap joinery
   C. Furniture making match
   D. All of the above

6. It has been possible to raise the yield of resin from chir pine from the existing 1.5 kg per tree to 3.5 kg on the average per tree by using the American Bark Hack method in conjunction with ______ sulfuric acid:

   A. 30%
   B. 40%
   C. 50%
   D. 60%

7. Wood of chir pine and eucalypts has been found useful for _________.

   A. Pulp
   B. Paper
   C. Both (a) & (b)
   D. None of these

8. Azadirachta indica period of ripening of seed is:

   A. June – August
   B. September – November
   C. February – April
   D. None of these

9. Albizzia moluccana period of ripening of seed is:

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

10. Albizzia lebbek period of ripening of seed is:

    A. May – July
    B. December – January
    C. February – April
    D. None of these