A. The outcome of human efforts on sub-marginal lands
B. Where irrigation water could be made available
C. Both (a) & (b)
D. None of these
Related Mcqs:
- 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 - The irrigated plantations of the ______ are regenerated to a great extent by coppice:
A. Punjab
B. Sindh
C. Baluchistan
D. KPK - Irrigated forest plantations have emerged as a new land use practice for the last ____ years:
A. 50
B. 100
C. 150
D. 200 - Tropical littoral and swamp forests is/are:
A. Tidal Swamp Forests
B. Littoral Grassland
C. Both (a) & (b)
D. None of these - Sub-alpine forests found in:
A. Kashmir
B. Dir
C. Swat
D. Chitral
E. All of the above - Dry temperate forests depict:
A. The canopy is only rarely closed
B. Is often formed of widely spaced
C. Free-standing
D. Low-branching trees
E. All of the above - The altitudinal range is from about 1,525 m. To 3,350 m. Extending to ______ on southerly aspects in case of dry temperate forests:
A. 3,550 m
B. 3,650 m
C. 3,750 m
D. 3,850 m - Annual temperature in case of Himalayan moist temperate forests: is _________
A. 12.2
B. 13.2
C. 14.2
D. 15.2 - Tropical thorn forests are these:
A. Which thorny usually hard wooded species predominate, Acacia spp. Being particularly characteristic
B. The trees usually have short boles and low branching crowns which rarely meet except on exceptionally favourable spots
C. Both (a) & (b)
D. None of these
The correct answer to the question: "Irrigated forests are:" is "Both (a) & (b) ".