AHSEC| CLASS 11| ENVIRONMENTAL EDUCATION| QUESTION PAPER - 2016| H.S.1ST YEAR
2016
Environmental Education
Full Marks: 30
Time: 1 hours
The figures in the margin indicate full marks for the questions.
1. Write very short answers of the following questions: 1×10=10
(a) Name any two
man-made environmental problems.
(b). Define the
term 'species'.
(c). Name any
two non-metallic minerals.
(d) Name the
atmospheric region farthest from the earth surface.
(e) Give an
example of natural source of noise pollution.
(f) State two
ways by which decomposers are useful.
(g) Name two
toxic gases emitted by industries.
(h) Name the
biosphere reserve of Assam which is the home of golden language.
(i) Which State
of North-East India is famous for uranium?
(j) Every year
on which date is the International Day for the Preservation of Ozone Layer
observed?
2. Write short answers of the following questions (any
five): 2x5=10
(a) What is an
ecological pyramid? Name different types of ecological pyramid.
(b) What is
consumptive use of biodiversity?
(c) Write a
short note on forest resource of Assam.
(d) Distinguish
between in situ conservation and ex situ conservation of biodiversity.
(e) Explain the
formation of acid rain.
(f) Describe the
causes of soil degradation.
(g) What are
greenhouse gases and how do they affect the climate?
(h) What
measures will you adopt for energy conservation?
3. Answer any two of the following questions: 5x2=10
(a) Describe
different segments of environment.
(b) Discuss the
major threats to biodiversity.
(c) Describe the
man-made sources of air pollution.
(d) Write an
account on concept of sustainable development.
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