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
Related Mcqs:
- Relative biological effectiveness (RBE) is usually referred to damages caused by:
A. Pollution
B. High temperature
C. Low temperature
D. Radiation - These are generally, but not always, developed above the birch zone and in patches, sometimes extensive, within it, probably conditioned by edaphic and biotic factors, in Kashmir, Gilgit, Chitral and Hazara. This type ascends normally to ______ or more above the sub-alpine forests and climate must be similar but more severe than in sub-alpine forests:
A. 140 m
B. 150 m
C. 160 m
D. 170 m - The most striking difference between tropical rain forests and temperate forests is that:
A. The tropical rain forests have preponderance of angiosperms while the temperate ones have preponderance of gymnosperms
B. The trees of temperate forests are taller than these of tropical rain forests
C. Plants of temperate forests are comparatively more mesophytic
D. Tropical forests are comparatively homogenous - 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 - 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 - Control measures to check tree damages are:
A. Use of resistant varieties
B. Physical
C. Biotechnical
D. Biological
E. All of the above - Plant damages are:
A. Biotic effect
B. Abiotic effect
C. Both (a) & (b)
D. None of these - The air pollution caused by phosphate fertilizer factories is due to:The air pollution caused by phosphate fertilizer factories is due to:
A. Phosphene
B. SiF4
C. Dust
D. Halogens - The domestic animals resorting to forests may be classed under the heads of:
A. Grazers
B. Browsers
C. Both (a) & (b)
D. None of these - Effects of very high temperature on forests:
A. These are injurious to the physiology of the forest
B. Between tempertures of 35
C. They also cause dryness in the plant due to deficiency of moisture
D. Very high temperatures cause excessive transpiration from the plant
E. All of the above
The correct answer to the question: "Various kinds of damages caused by man to forests are:" is "All of the above".
