Page 3 - Assignment-Environmental Issues

12. Water logging and salinity are some of the problems that have come in the wake
of Green revolution. How does water logging create problems of salinity?

D. Short Answer Questions-I (3 marks each)

13. Deforestation is creating a lot of problems in the environment. List the
consequences of deforestation.
14. 14. Enlist four harmful effects caused to the humans living in polluted air. Suggest
two measures to reduce air pollution.
15. People have been actively participating in the efforts for the conservation of
forests.
(i) Name the award instituted in respect of Amrita Devi to promote such efforts.
(ii) Name the movement launched to protect the trees by hugging them.
(iii) Name the step Government of India has undertaken in 1980’s to work closely
with the local communities for protecting and managing forests.

E. Long Answer Questions (5 marks each)

16. Pollutant from man’s activities like effluents from industries and homes can
radically accelerate the ageing process.
(a) Explain how does this process occurs during natural ageing of lake.
(b) Give the term used for accelerated ageing of water bodies. Also give the term
used for the natural ageing of lake.
17. In Arcata, the towns people have created an integrated waste water treatment
process within a natural system. A citizen group called FOAM helps in upkeep of
this project.
(a) What are the main steps in waste water management done in this way?
(b) ‘Ecosan’ in Kerala and Sri Lanka is also an intiative for water conservation.
How?