The world’s tallest cut Christmass tree was 67.36 meters (221 ft.) tall Douglas fir (Pseudosuga menziesil):

Related Mcqs:

1. Tree marriages is a symbolic nuptial ceremony or union of a person with a tree and is widespread in _________.

   A. India
   B. China
   C. Malaysia
   D. Japan

2. The earliest species of tree still surviving is the Maidenhair tree (Ginkgo biloba) of Zhexiang, ______, which first appeared about 165,000,000 years ago, during the Jurassic era:

   A. Korea
   B. Japan
   C. China
   D. Malaysia

3. 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%

4. 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

5. Abies pindrow (Fir) period of ripening of seed is:

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

6. Fir (Abies pindrow) utilization of timber:

   A. Packing cases, railway sleepers
   B. Planking for floors
   C. Ceiling, cheap type of doors and windows
   D. House construction, plywood, match manufacture
   E. All of the above

7. The best windbreaks approach is 100% crown density in the low-profile shurb, rows, and _____ density in the tall rows:

   A. 50%
   B. 60%
   C. 70%
   D. 80%

8. The temperature of surface water of oceans is about 25C and it is 5?C at the depth of few hundred meters in the:

   A. Temperate region
   B. Tropical region
   C. Torrid region
   D. Equatorial region

9. The reservoir of Mangla is being silted at the rate of 48.27 million m3 per year and that of Tarbela at the rate of _____ million cubic meters per year:

   A. 160.5
   B. 167.75
   C. 170.6
   D. 175.8

10. The largest known petrified tree is one of Sequoiadendron giganteum with a ______ trunk, near Coaldale, Nevada, U.S.A.

    A. 79.5m
    B. 89.9m (295 ft)
    C. 99.5 m
    D. None of these