NCERT Solutions for Class 11 Geography (Practical Work in Geography) Chapter 5 Topographical Maps
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Page 1
NCERT
SOLUTIONS
CLASS - 11th
aglase .co
SOLUTIONS
CLASS - 11th
aglase .co
Page 2
Book : Practical Work in Geography Ncert Solutions | Chapter - 5 Social Science Geography
Class : 11th
Subject : Geography
Chapter : 5
Chapter Name : Topographical Maps
Q1 Answer the following questions in about 30 words:
(i) What are topographical maps?
(ii) Name the organisation which prepares the topographical maps of India.
(iii) Which are the commonly used scales for mapping our country used by the Survey of
India?
(iv) What are contours?
(v) What does the spacing of contours indicate?
(vi) What are conventional signs?
Answer.
(i) Topographical maps are the detailed and accurate representations of the physical
and cultural features of the Earth as they appear on the Earth’s surface.
(ii) The Survey of India prepares the topographical maps of India.
(iii) The commonly used scales for mapping our country by the Survey of India are:
1 : 10,00,000
1 : 250,000
1 : 1,25,000
1 : 50,000
1: 25,000
These scales provide a latitudinal and longitudinal coverage of 4° x 4°, 1° x 1°, 30' x 30',
15' x 15' and 5' x 7' 30", respectively.
(iv) Contours are imaginary lines joining points of equal elevation from the mean sea
level on a topographical map. These lines are also known as level lines.
Page 1 of 9
Class : 11th
Subject : Geography
Chapter : 5
Chapter Name : Topographical Maps
Q1 Answer the following questions in about 30 words:
(i) What are topographical maps?
(ii) Name the organisation which prepares the topographical maps of India.
(iii) Which are the commonly used scales for mapping our country used by the Survey of
India?
(iv) What are contours?
(v) What does the spacing of contours indicate?
(vi) What are conventional signs?
Answer.
(i) Topographical maps are the detailed and accurate representations of the physical
and cultural features of the Earth as they appear on the Earth’s surface.
(ii) The Survey of India prepares the topographical maps of India.
(iii) The commonly used scales for mapping our country by the Survey of India are:
1 : 10,00,000
1 : 250,000
1 : 1,25,000
1 : 50,000
1: 25,000
These scales provide a latitudinal and longitudinal coverage of 4° x 4°, 1° x 1°, 30' x 30',
15' x 15' and 5' x 7' 30", respectively.
(iv) Contours are imaginary lines joining points of equal elevation from the mean sea
level on a topographical map. These lines are also known as level lines.
Page 1 of 9
Page 3
Book : Practical Work in Geography Ncert Solutions | Chapter - 5 Social Science Geography
(v) The spacing of the contours indicates the slope of the ground. If the spacing is large,
it indicates a gentle slope and a steep slope is indicated by close contour lines.
(vi) The signs which are used to represent various features on the map, but are not
drawn to scale are called conventional signs.
Page : 64 , Block Name : Exercises
Q2 Write short notes on—
(i) Contours
(ii) ‘Marginal Information’ in Topographical sheets
(iii) The Survey of India
Answer.
(i) Contours are imaginary lines which are used to join the points having the same
elevation on the Earth’s surface from the mean sea level. These lines are used to
determine the slope of the land and are also known as level lines. Two contour lines of
different elevations do not cross each other. The contour lines, when placed wide apart
represent a gentle slope whereas closely spaced contour lines represent a steep slope.
(ii) The ‘Marginal Information’ in Topographical sheets provides some useful information
to the user about the map. It includes the information such as contour interval,
representative fraction, scale of the map, producer of the map, symbols used in the map
and also the dates of preparation of the maps.
(iii) The Survey of India is the apex body for the standardisation of themaps in India. It is
one of the oldest engineering departments of India which is responsible for the
publishing of the maps and the topographical sheets according to the International Map
Series.
Page : 64 , Block Name : Exercises
Q3 Explain what is meant by ‘map interpretation’ and what procedure is followed for its
interpretation.
Answer. Map Interpretation involves the study of those factors which explain the causal
relationship between various features on the map, both cultural and physical. For
Page 2 of 9
(v) The spacing of the contours indicates the slope of the ground. If the spacing is large,
it indicates a gentle slope and a steep slope is indicated by close contour lines.
(vi) The signs which are used to represent various features on the map, but are not
drawn to scale are called conventional signs.
Page : 64 , Block Name : Exercises
Q2 Write short notes on—
(i) Contours
(ii) ‘Marginal Information’ in Topographical sheets
(iii) The Survey of India
Answer.
(i) Contours are imaginary lines which are used to join the points having the same
elevation on the Earth’s surface from the mean sea level. These lines are used to
determine the slope of the land and are also known as level lines. Two contour lines of
different elevations do not cross each other. The contour lines, when placed wide apart
represent a gentle slope whereas closely spaced contour lines represent a steep slope.
(ii) The ‘Marginal Information’ in Topographical sheets provides some useful information
to the user about the map. It includes the information such as contour interval,
representative fraction, scale of the map, producer of the map, symbols used in the map
and also the dates of preparation of the maps.
(iii) The Survey of India is the apex body for the standardisation of themaps in India. It is
one of the oldest engineering departments of India which is responsible for the
publishing of the maps and the topographical sheets according to the International Map
Series.
Page : 64 , Block Name : Exercises
Q3 Explain what is meant by ‘map interpretation’ and what procedure is followed for its
interpretation.
Answer. Map Interpretation involves the study of those factors which explain the causal
relationship between various features on the map, both cultural and physical. For
Page 2 of 9
Page 4
Book : Practical Work in Geography Ncert Solutions | Chapter - 5 Social Science Geography
example, the distribution of natural vegetation can be best understood by a background
of land drainage. The procedure that is followed for Map Interpretation is :
1. Find out from the index number of the topographical sheet, the location of the
area.
2. Trace out the major landforms, drainage and water features land use and
settlement and transport pattern.
3. Describe the distributional pattern of each of the features separately drawing
attention to the most important aspect.
4. Superimpose pairs of these maps and note down the relationship, if any,
between the two patterns.
Page : 64 , Block Name : Exercises
Q4 If you are interpreting the cultural features from a topographical sheet, what
information would you like to seek and how would you derive this information? Discuss
with the help of suitable examples.
Answer. While interpreting the cultural features from a topographical sheet, information
such as settlement and transport would be sought. The contour map will give an idea of
the reason behind the particular settlement pattern in that area whereas food and water
supply will give an idea of the density of the settlement. The conventional signs and
symbols will give an idea of the transport system of the area.
For example, the density of population of hilly areas is less and the settlement pattern is
also scattered. Due to this reason, there is a low density of transport system as well.
Page : 65 , Block Name : Exercises
Q5 Draw the conventional signs and symbols for the following features—
(i) International Boundary
(ii) Bench Mark
(iii) Villages
(iv) Metalled Road
(v) Footpath with bridges
(vi) Places of Worship
(vii)Railway line
Answer. The features are represented in the table below:
Page 3 of 9
example, the distribution of natural vegetation can be best understood by a background
of land drainage. The procedure that is followed for Map Interpretation is :
1. Find out from the index number of the topographical sheet, the location of the
area.
2. Trace out the major landforms, drainage and water features land use and
settlement and transport pattern.
3. Describe the distributional pattern of each of the features separately drawing
attention to the most important aspect.
4. Superimpose pairs of these maps and note down the relationship, if any,
between the two patterns.
Page : 64 , Block Name : Exercises
Q4 If you are interpreting the cultural features from a topographical sheet, what
information would you like to seek and how would you derive this information? Discuss
with the help of suitable examples.
Answer. While interpreting the cultural features from a topographical sheet, information
such as settlement and transport would be sought. The contour map will give an idea of
the reason behind the particular settlement pattern in that area whereas food and water
supply will give an idea of the density of the settlement. The conventional signs and
symbols will give an idea of the transport system of the area.
For example, the density of population of hilly areas is less and the settlement pattern is
also scattered. Due to this reason, there is a low density of transport system as well.
Page : 65 , Block Name : Exercises
Q5 Draw the conventional signs and symbols for the following features—
(i) International Boundary
(ii) Bench Mark
(iii) Villages
(iv) Metalled Road
(v) Footpath with bridges
(vi) Places of Worship
(vii)Railway line
Answer. The features are represented in the table below:
Page 3 of 9
Page 5
Book : Practical Work in Geography Ncert Solutions | Chapter - 5 Social Science Geography
Study the contour pattern and answer the following questions.
Q1 Name the geographical feature formed by contours.
Answer. Plateau
Page : 65 , Block Name : Exercise A
Q2 Find out the contour interval in the map.
Answer. 100 metres
Page : 65 , Block Name : Exercise A
Q3 Find out the map distance between E and F and convert it into ground distance.
Page 4 of 9
Study the contour pattern and answer the following questions.
Q1 Name the geographical feature formed by contours.
Answer. Plateau
Page : 65 , Block Name : Exercise A
Q2 Find out the contour interval in the map.
Answer. 100 metres
Page : 65 , Block Name : Exercise A
Q3 Find out the map distance between E and F and convert it into ground distance.
Page 4 of 9
Page 6
Book : Practical Work in Geography Ncert Solutions | Chapter - 5 Social Science Geography
Answer. The map distance is 2 cm. The equivalent ground distance is 2x2=4 kilometres.
Page : 65 , Block Name : Exercise A
Q4 Name the type of slope between A and B; C and D and E and F. 5.
Answer. The slope between A and B is gentle, between C and D is steep and between
E and F is gentle.
Page : 65 , Block Name : Exercise A
Q5 Find out the direction of E, D and F from G.
Answer. The direction of E, D and F from G is West, North and Southwest respectively.
Page : 65 , Block Name : Exercise A
Study the extract from the topographical sheet No. 63K/12, as shown in the figure below
and answer the following questions—
Page 5 of 9
Answer. The map distance is 2 cm. The equivalent ground distance is 2x2=4 kilometres.
Page : 65 , Block Name : Exercise A
Q4 Name the type of slope between A and B; C and D and E and F. 5.
Answer. The slope between A and B is gentle, between C and D is steep and between
E and F is gentle.
Page : 65 , Block Name : Exercise A
Q5 Find out the direction of E, D and F from G.
Answer. The direction of E, D and F from G is West, North and Southwest respectively.
Page : 65 , Block Name : Exercise A
Study the extract from the topographical sheet No. 63K/12, as shown in the figure below
and answer the following questions—
Page 5 of 9
Page 7
Book : Practical Work in Geography Ncert Solutions | Chapter - 5 Social Science Geography
Q1 Convert 1:50,000 into a statement of scale.
Answer. 1 cm represents 50000 cm on the map.
Page : 66 , Block Name : Exercise B
Q2 Name the major settlements of the area.
Answer. Mirzapur and Varanasi
Page : 66 , Block Name : Exercise B
Q3 What is the direction of flow of the river Ganga?
Answer. Southeast
Page 6 of 9
Q1 Convert 1:50,000 into a statement of scale.
Answer. 1 cm represents 50000 cm on the map.
Page : 66 , Block Name : Exercise B
Q2 Name the major settlements of the area.
Answer. Mirzapur and Varanasi
Page : 66 , Block Name : Exercise B
Q3 What is the direction of flow of the river Ganga?
Answer. Southeast
Page 6 of 9
Page 8
Book : Practical Work in Geography Ncert Solutions | Chapter - 5 Social Science Geography
Page : 66 , Block Name : Exercise B
Q4 At which one of the banks of river Ganga, Bhatauli is located?
Answer. South Bank
Page : 67 , Block Name : Exercise B
Q5 What is the pattern of rural settlements along the right bank of river Ganga?
Answer. Scattered
Page : 67 , Block Name : Exercise B
Q6 Name the villages/settlements where Post Office/Post and Telegraph Office are
located?
Answer. Bhatauli, Kachhwa, Dhia
Page : 67 , Block Name : Exercise B
Q7 What does the yellow colour in the area refer to?
Answer. It represents agricultural land.
Page : 67 , Block Name : Exercise B
Q8 What means of transportation is used to cross the river by the people of Bhatauli
village ?
Answer. Ferry
Page : 67 , Block Name : Exercise B
Study the extract for topographical sheet 63K/12 shown in the figure on page 68 and
answer the following questions.
Page 7 of 9
Page : 66 , Block Name : Exercise B
Q4 At which one of the banks of river Ganga, Bhatauli is located?
Answer. South Bank
Page : 67 , Block Name : Exercise B
Q5 What is the pattern of rural settlements along the right bank of river Ganga?
Answer. Scattered
Page : 67 , Block Name : Exercise B
Q6 Name the villages/settlements where Post Office/Post and Telegraph Office are
located?
Answer. Bhatauli, Kachhwa, Dhia
Page : 67 , Block Name : Exercise B
Q7 What does the yellow colour in the area refer to?
Answer. It represents agricultural land.
Page : 67 , Block Name : Exercise B
Q8 What means of transportation is used to cross the river by the people of Bhatauli
village ?
Answer. Ferry
Page : 67 , Block Name : Exercise B
Study the extract for topographical sheet 63K/12 shown in the figure on page 68 and
answer the following questions.
Page 7 of 9
Page 9
Book : Practical Work in Geography Ncert Solutions | Chapter - 5 Social Science Geography
Q1 Give the height of the highest point on the map.
Answer. 200 metres
Page : 67 , Block Name : Exercise C
Q2 River Jamtihwa Nadi is flowing through which quarter of the map ?
Answer. Southeast quarter
Page : 67 , Block Name : Exercise C
Q3 Which is the major settlement located in the east of the Kuardari Nala ?
Page 8 of 9
Q1 Give the height of the highest point on the map.
Answer. 200 metres
Page : 67 , Block Name : Exercise C
Q2 River Jamtihwa Nadi is flowing through which quarter of the map ?
Answer. Southeast quarter
Page : 67 , Block Name : Exercise C
Q3 Which is the major settlement located in the east of the Kuardari Nala ?
Page 8 of 9
Page 10
Book : Practical Work in Geography Ncert Solutions | Chapter - 5 Social Science Geography
Answer. Kotwa
Page : 67 , Block Name : Exercise C
Q4 What type of settlement does the area have ?
Answer. Scattered settlements
Page : 67 , Block Name : Exercise C
Q5 Name the geographical feature represented by white patches in the middle of Sipu
Nadi.
Answer. Plain area
Page : 67 , Block Name : Exercise C
Q6 Name the two types of vegetation shown on part of the topographical sheet.
Answer. Thorny and deciduous forests
Page : 67 , Block Name : Exercise C
Q7 What is the direction of the flow of the Kuardari ?
Answer. Southwest
Page : 67 , Block Name : Exercise C
Q8 In which part of the sheet area is Lower Khajuri Dam located?
Answer. North
Page : 67 , Block Name : Exercise C
Page 9 of 9
Answer. Kotwa
Page : 67 , Block Name : Exercise C
Q4 What type of settlement does the area have ?
Answer. Scattered settlements
Page : 67 , Block Name : Exercise C
Q5 Name the geographical feature represented by white patches in the middle of Sipu
Nadi.
Answer. Plain area
Page : 67 , Block Name : Exercise C
Q6 Name the two types of vegetation shown on part of the topographical sheet.
Answer. Thorny and deciduous forests
Page : 67 , Block Name : Exercise C
Q7 What is the direction of the flow of the Kuardari ?
Answer. Southwest
Page : 67 , Block Name : Exercise C
Q8 In which part of the sheet area is Lower Khajuri Dam located?
Answer. North
Page : 67 , Block Name : Exercise C
Page 9 of 9
Document Details
| Board / Org | NCERT |
| Exam | Class 11 |
| Type | Solution |
| Pages | 10 |
| Updated | 30 Apr 2026 |