Control measures to check tree damages are:

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. Preventive measures from part of the normal routine of forest administration, while remedial measures are called for in cases of:

   A. Occasional
   B. Unexpected damage
   C. Where the preventive measures has broken down
   D. All of the above

5. Plant damages are:

   A. Biotic effect
   B. Abiotic effect
   C. Both (a) & (b)
   D. None of these

6. Relative biological effectiveness (RBE) is usually referred to damages caused by:

   A. Pollution
   B. High temperature
   C. Low temperature
   D. Radiation

7. Various kinds of damages caused by man to forests are:

   A. Illicit removal of forest produce from the forest
   B. Encroachments
   C. Irregularities in the management and exploitation of forests
   D. Forest Fires
   E. All of the above

8. Forest damages is / are:

   A. By freezing or chilling to death young weedy plants or young organs of plants
   B. By splitting the stems of trees
   C. By causing canker in stems of trees
   D. By uprooting young plants
   E. All of the above

9. Extent of damages means:

   A. Intensity of fire and its duration
   B. Type of vegetation
   C. Intensity and time of precipitation
   D. All of the above

10. Contour binding is done to check:

    A. Rill erosion
    B. Gully erosion
    C. Ravine formation
    D. Sheeterision