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
Related Mcqs:
- 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 - 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 - 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 - Rain damage is / are:
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 - 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 - 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 - Soil erosion in plains consequent to rain fall is initiated by:
A. Rill erosion
B. Sheet erosion
C. Gully erosion
D. All of these - Acid scarification is:
A. The purpose of acid scarification is to modify hard
B. Or impermeable seed coverings
C. Both (a) & (b)
D. None of these - 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% - Foraminifera means:
A. An abundant family of simple mostly marine organisms
B. The important to scientists who are studying climatic change
C. Both (a) & (b)
D. None of these
The correct answer to the question: "Acid rain means:" is "Both (a) & (b) ".
