A. Both high and low precipitation in the form of rain is harmful for the forest crop
B. A large chunk of forest area may be lost as a result of excessive rainfall
C. Streams get flooded and wash away wooded land tree along the river banks are uprooted during floods
D. All of the above
Related Mcqs:
- Browsers cause much damage to the forest than grazers. The damage caused includes:
A. Destruction of tender seeding which are eaten together with the grass amidst which they may occur
B. Mechanical damage to young growth and saplings through the passage of animals
C. Dislodging of soil on steep slopes causing erosion
D. Destruction of fences, drains, boundary posts, etc.
E. All of the above - Forest fires cause millions of rupee of damage each year to the forest. Within the span of a few hours, hard work of generations of forest officers can be ruined. Causes of fires is / are :
A. Burning of grass and undergrowth along patches frequented by villagers for easy passage
B. Burning to facilitate the collection of minor produce
C. Burning of grass by graziers for the sake of the tender grass, which comes up after a fire
D. Fires caused by sparks from locomotive engines passing through the forest
E. All of the above - Damage caused by fire is / are:
A. Injury to trees
B. Injury to young growth and regeneration
C. Injury to the soil
D. Injury to wildlife
E. All of the above - Acid rain means:
A. A type of pollution which washes out of the atmosphere as dilute sulphuric and nitric acids
B. It tends to be a regional rather than a global phenomenon linked to particular industrial activities and meteorological conditions
C. Both (a) & (b)
D. None of these - Tropical rain forests are:
A. The most valuable and the richest ecosystems on earth
B. They play a critical pat in the earth’s life support systems and house 50% and possibly as much as 90% of all the species on earth
C. They are a key storehouse of foods, oils and minerals and source of ingredients that make up a range of medical treatments
D. All of the above - 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 - Acid rain brings with it:
A. Sulphuric acid alone
B. Nitric acid alone
C. Nitrous acid and sulphurous acid
D. Sulphuric acid, sulphurous acid nitric acid and, nitrous acid - Monsoon ______ is the most important, in so far as quantity of rain is concerned:
A. July to September
B. August to November
C. September to December
D. None of these - Acid rain is mainly caused by increased concentration (in atmosphere) of:
A. Ozone and dust
B. NH3 and SO3
C. CO and SO3
D. NO2 and SO2 - Soil erosion in plains consequent to rain fall is initiated by:
A. Rill erosion
B. Sheet erosion
C. Gully erosion
D. All of these
The correct answer to the question: "Rain damage is / are:" is "All of the above".
