AHSEC| CLASS 11| GEOGRAPHY| QUESTION PAPER - 2012| H.S. 1ST YEAR
2012
GEOGRAPHY
Time: 3 hours
Full marks: 70
The figures in the margin indicate full marks for the questions
1. Choose the correct answer: 1x5=5
(i) The
description of the earth as the abode of human being – the statement is related
with —
(a) Social
Science
(b) Population
Geography
(c) Geography
(d) Anthropology
(ii) Which one
of the following figures represents the age of the earth?
(a) 4.6 million
years
(b) 13.7 billion
years
(c) 4.6 billion
years
(d) 13.7
trillion years
(iii) The name
of the theory which wad developed by Edwin Hubble was —
(a) Nebular
Hypothesis
(b) Big Bang
Theory
(c) Expanding
Universe Hypothesis
(d) Hoyle’s
concept
(iv) Identify
the instruments by which we can records the earthquake waves
(a) Barometer
(b) Thermometer
(c) Lactometer
(d) Seismograph
(v) Rusting in
iron is an example of
(a) Solution
(b) Carbonation
(c) Oxidation
(d) Hydration
2. Answer the following: 1x5=5
(i) From which
word the term 'ecology' is derived?
(ii) The layer
of atmosphere where the polar lights are lights are seen.
(iii) What is
the full form of IUCN?
(iv) Write one
cause of climate change.
(v) What is the
amount of nitrogen in the atmosphere?
3. What was the nature of the earth surface initially? 2
4. Define volcano.
2
5. What is meant by sedimentary rock? 2
6. Define soil. 2
7. Define glaciers?
2
8. What is terrestrial radiation? 2
9. Answer the following questions in about 30 words:
3x6=18
(i) What are the
elements of weather and climate?
(ii) What do you
mean by Tsunami?
(iii What are
bio-geo-chemical cycle?
(iv) Explain
relative humidity.
(v) What is an
air mass?
(vi) Why is the
annual range of temperature high in the Siberian lains.
10. Distinguish between the following with brief
explanation: 4x3=12
(i) Weather and
climate.
(ii) Richter
Scale and Mercalli Scale.
(iii) Endangered
Species and rare species.
11. Explain the following: 4x3=12
(i) Greenhouse
effect.
(ii) Biosphere
Reserve.
(iii)
Indo-Ganga-Brahmaputra plain of India.
(iv) Weathering.
12. What do you mean by Global Warming? What are the main
causes of global warming? 3+3=6
Or
13. How are various elements of the hydrological cycle
interrelated? 6
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