AHSEC| CLASS 11| GEOGRAPHY| QUESTION PAPER - 2013| H.S. 1ST YEAR
2013
GEOGRAPHY
Time: 3 hours
Full Marks: 70
The figures in the margin indicate full marks for the questions
1. Choose the correct answers: 1x10=10
(i) Which one of
the following has the longest duration?
(a) Era
(b) Eọns
(c) Period
(d) Epoch
(ii) Which one
of the following earthquake waves is more destructive?
(a) P-Waves
(b) S- Waves
(c) Surface
waves
(d) None of the
above
(iii) In which
one of the following regions the chemical weathering process is more dominant
than the mechanical process?
(a) Humid region
(b) Limestone
region
(c) Arid region
(d) Glacier
region
(iv) Atmospheric
layer important for human beings is
(a) Stratosphere
(b) Mesosphere
(c) Troposphere
(d) Ionosphere
(v) The average
depth of continental slope varies between -
(a) 2 – 20m
(b) 200 – 2000m
(c) 20 – 200m
(d) 2000 –
20,000m
(vi) Upward and
down ward movement of ocean water is known as the -
(a) Tide
(b) Current
(c) Wave
(d) None of the
above
(vii) During
photosynthesis carbon dioxide combines with water in the presence of sunlight
to form -
(a) Proteins
(b) Amino acids
(c)
Carbohydrates
(d) Vitamins
(viii) Which one
of the following countries is larger in area than India?
(a) China
(b) Egypt
(c) France
(d) Iran
(ix) Which one
of the following is the place of confluence of the Alaknanda and the
Bhagirathi?
(a) Vishnu
Prayag
(b) Rudra Prayag
(c) Karan Prayag
(d) Deva Prayag
(x) Which one of
the following proportion of area of the country was targeted to be under forest
in forest policy of India?
(a) 33
(b) 44
(c) 55
(d) 22
2. Answer the
following: 2x10=20
(i) Why are the
terrestrial planets rocky?
(ii) What are
body waves?
(iii) What is
meant by sedimentary rock?
(iv) Why is
troposphere the most important of all the layers of the atmosphere?
(v) What are the
geotropic winds?
(vi) Which types
of climates have very low range of temperature?
(vii) Why do we
call the earth a Blue planet?
(viii) What is
biodiversity?
(ix) Where in
India will you find a cold desert? Name some important ranges of this region.
(x) Define
‘Climatic region'? What are the bases of Koeppen's classification?
3. (a) Write an explanatory note on the ‘Big Bang Theory'. 3
(b) Difference between
the continental drift theory and plate tectonics. 4
4. (a) What relationship explained by rock cycle between the
major type of rock? 2+2=4
(b) Exogenic
geomorphic processes derive their ultimate energy from the sun's heat. Explain.
4
Or
How do you
distinguish between the process of soil formation and soil-forming factors?
What is the role of climate and biological activity as two important control
factors in the formation of soils? 4
5. (a) How do glaciers accomplish the work of reducing high
mountains into low hills and plains? 4
(b) Draw a
suitable diagram for the structure of the atmosphere and label it and describe
it. 4
6. (a) Discuss the processes through which the
earth-atmosphere system maintains heat balance.
4
(b) Draw a
simplified diagram to show the general circulation of the atmosphere over the
globe. What are the possible reasons for the formation of subtropical high
pressure over 30° N and S. latitudes?
2+3=5
7. (a) What are forms of condensation described the process
of dew and frost formation. 5
(b) What do you
understand by the term “Greenhouse Gases”? Make a list of greenhouse gases.
3+2=5
8. (a) How do currents affect the temperature? How does it
affect the temperature of coastal areas in the N. W. Europe? 4
(b) What is an
ecological balance? Discuss the important measures needed to prevent ecological
imbalances. 2+3=5
9. (a) What are the important geomorphologic features found
in the river valley plains? 4
(b) Divide India
into physiographic divisions and write any one of its in details. 3
10. (a) What steps have been taken up to conserve forests?
4
(b) What
is soil conservation? Suggest some measures to conserve soil. 2+2=4
(c) Identify the
landslide prone regions of India and suggest some measures to mitigate the
disasters caused by these. 2+2=4
***
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