12. Geographical
perspective on selected issues and problems.
Class 12 Geography Book - 2 : India People and Economy.
CHAPTER NO.12
Very Short Answer type questions.(important Questions)
Q 1. What do you mean by water pollution?
Ans. When the
amount of foreign undesirable substances are added by human to the water beyond
its self-purifying capacity it gets polluted.
Q 2. Define the term pollution.
Ans. It is an
undesirable change in the physical, chemical or biological characteristics of air,
land & water.
Q 3. Name two greenhouse gases causing depletion of ozone.
Ans. CFCs & Methane.
Q 4.Name any two sources of noise pollution..
Ans. Loudspeakers
& noise of air crafts.
Q 5. What is acid rain?
Ans.
A
type of precipitation made up of dilute acids, primarily by products of heavy
industries ( SO2 + NO2 ).
Q 6. Which is the largest slum of Asia?
Ans. Dharavi in
Mumbai.
Q 7. Name the India’s most polluted river.
Ans. Yamuna.
Q 8. Name any two diseases caused by water pollution.
Ans. Diarrhoea,
intestinal worms and hepatitis.
Q 9. What are two main causes of land degradation in India?
Ans. i. Excess
use of chemicals & fertilizers.
ii.
Deforestation.
Q 10.Write any two main problems of slum areas.
Ans. 1. Poor
hygienic conditions.
2.
Dilapidated houses.
3.
Least choice.
4.
Over crowed.
Q 11. What are the types of pollution?
Ans. 1.Air pollution
2.
Water pollution
3.
Land pollution
4.
Noise pollution.
Q 12. Which pollution is the cause of Acid rain?
Ans. Air Pollution.
Q 13. Which diseases are caused due to air pollution?
Ans. Respiratory
Nervous and circulatory systems this causes diseases.
Q 14.What is noise pollution?
Ans. Noise pollution
refers to the
state of unfavorable
and uncomfortable to
human beings.
Q 15. Mention major problems associated with urban waste disposal in
India.
Ans.1. Growing population.
2. Slow administrative action.
3. Loss of health.
Q 16. What percentage of the population lives in urban areas in world?
Ans.
47%.
Q 17. What is the land degradation?
Ans. Land
degradation refers to the process both natural and man made which makes lands
unfertile or unfit for use.
Q 18.What is the unit of measuring noise?
Ans. Decibels [dB].
Q 19. How is planning
in recent times
different from the traditional
planning methods?
Ans. Planning in
recent times is different from traditional hit- and- miss methods by which reforms
and reconstruction are often undertaken.
Q 20. On what does
the economic development
of a region
depends upon?
Ans.1. Resource base.
2.
Technology.
3.
Investment.
Q 21. What does plan teach us?
Ans. Plan teaches
us to execute
the works systematically and
in a scientific
manner .
Q 22. Name the stages which planning process goes through?
Ans.1. Thinking.
2.
Formulation of a scheme or a programme.
3.
Implementation of a set of actions to achieve some goals.
Q 23. Urban Waste disposal formed from?
Ans. 1.Household or
Domestic establishment,
2.Industry
or Commercial establishment.
Q 24. What is Panchpatmalai famous for?
Ans. Bauxite Mine
and Noise monitoring.
Q 25. What do you understand by Ninety-foot road?
Ans. Only one main
road traverses the slum, the miscalled ninety-foot road, which has been reduced
to less than half of that for most of its length.
Q 26. In which place the bheel tribal were found?
Ans.
Jhabua
[M.P] or Rajasthan.
Q 27. Which
stretch of Yamuna River is most polluted?
Ans. Delhi to Etawa.
Q 28. What
are the causes of Land - Degradation in India? Suggest measures for its reduction?
Ans. Causes of
Land degradation:-
(a) Soil erosion.
(b) Flood and drought.
(c) Deforestation.
Measures for
reduction:-
(a) Afforestation.
(b) Water shed Management.
(c) Scientific waste disposal.
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