A. Checking pollution
B. Fertility of soil
C. Stabilizing the ecosystem
D. Improving food-web
Related Mcqs:
- The effect of today’s radioactive fallout will probably be more harmful to children of future generations than to children now living because:
A. Contamination of milk supply is not cumulative
B. Infants are more susceptible to radiation
C. Susceptibility to radiation increases with age
D. Mutated genes are frequently recessive - The trees which produce root suckers are:
A. Those which produce more and vigorous root suckers
B. those which produce root suckers less in number
C. Both (a) & (b)
D. None of these - Distribution and marketing of forest produce includes:
A. Logging plan
B. Marketing information
C. Sale of produce
D. Revenue
E. All of the above - As an adaptation to fire, some plants produce lignotubres which are:
A. Borne on the leaves
B. Borne underground
C. Present on the main stem
D. Suspended from the branches - Several kinds of minor forest produce are available from the forested areas; these include _________
A. Flosses, medicinal plants
B. Gums, essential oils rosin and turpentine tannins
C. Silk and lack production
D. All of the above - Source of heating cooking, construction wood and minor produce is:
A. Fuel wood
B. Charcoal
C. Production of construction timber
D. Wood based industries as livelihood for the people
E. All of the above - Source of heating cooking, construction wood and minor produce is:
A. Fuel wood
B. Charcoal
C. Production of construction timber
D. Wood based industries as livelihood for the people
E. All of the above - Ultraviolet rays of sunlight react and produce:
A. CO
B. SO2
C. Ozone
D. Flourides - The ultraviolet radiations from the sun cause reaction that produce:
A. Carbon monoxide
B. Sulphur dioxide
C. Ozone
D. Flourides - The extent of darkness caused due to smoke can be determined by the help of:
A. Smoke filters
B. Ringelmann’s charts
C. Horizontal microscopes
D. All of these
