Representation Of Geographical Features Through Contours

Question 1

What are topographical maps?

Answer 1

Topographical maps are large scale maps that shows us a small area in great details. Topographical maps represent relief and man made features to depict the colourful earth.

Question 2

What are contour lines?

Answer 2

The imaginary lines drawn on a map joining places having the same height above the mean sea level are called contour lines.

Question 3

What is contour index?

Answer 3

At every 100-m interval a thick brown contour lines, called contour index is drawn for calculating the height.

Question 4

What is the purpose of survey instruments in mapping?

Answer 4

Survey instruments help to determine the heights above the ground.

Question 5

Widely spaced contours depict

Answer 5

A gentle slope

Question 6

Closly

Question 7

Closely spaced contours depict?

Answer 7

A steep slope

Question 8

What is the easiest ways to draw relief using a contour map?

Answer 8

Drawing cross sections

Question 9

What is a conical hill?

Answer 9

A conical hill is represented by equally spaced contours and heights increasing towards the central circular contour.

Question 10

The contours of a conical hill appears in _____

Answer 10

Concentric circles

Question 11

The slopes of conical hill are ___

Answer 11

Equal in all directions

Question 12

Which contour has the highest value?

Answer 12

The Central or innermost contour has the highest value showing the summit of the hill.

Question 13

What is a plateau?

Answer 13

A plateau is a flat topped and steep edged highland. The innermost contour is very wide, which represents the flat table like top.

Question 14

The edges of a plateau may have _____ spaces contours that depict steep slopes.

Answer 14

Closely

Question 15

What is a ridge?

Answer 15

Ridge is a long, narrow sharp-edged upland with several peaks. The slopes may be steep or gentle.

Question 16

What is a saddle?

Answer 16

Saddle is a shallow depression between two hills.

Question 17

What is a col?

Answer 17

the lowest point on a mountain ridge between two peaks

Question 18

What is a gap?

Answer 18

A gap is a low depression close to the ground.

Question 19

What is a pass?

Answer 19

A pass is also a gap between two hills but it can be at a higher elevation.

Question 20

Where do settlements usually flourish?

Answer 20

Settlements usually flourish near a river, in a plain where land is arable and easy to develop a wide network of transport systems.

Question 21

Define arable

Answer 21

Land suitable for growing crops.

Question 22

Various patterns of settlements are?

Answer 22

Linear settlements, nucleated settlements, and dispersed settlements

Question 23

Why does linear settlements grow? When can they be found?

Answer 23

Linear settlements grow because of the advantage of transport and trade.
These patterns are noticed along a railway line, metalled road or river.

Question 24

What is the other name of nucleated settlements? Where are they found?

Answer 24

Nucleated settlements are also known as Clustered settlements. They are often found in areas having too many opportunities.

Question 25

Why do nucleated settlements portray economic prosperity?

Answer 25

They portray economic prosperity because various occupations are possible and several facilities are available.

Question 26

List some facilities that are commonly found in nucleated settlements.

Answer 26

Common facilities include post offices, hospitals, police stations, temples, mosques, reservoirs, cemeteries, metalled roads, and railway stations.

Question 27

Where can dispersed settlements be found?

Answer 27

This pattern is found in large farm areas with few residents and can also be seen in remote areas far from any favourable water source or fertile lands.

Question 28

Topographical maps contain grid lines in ___, crisscrossing it. (Hint:- colour)

Answer 28

Red

Question 29

What is the purpose of a grid square in a topographical map?

Answer 29

The grid squares are used to read the map and locate a feature on it.

Question 30

What are eastings and northings?

Answer 30

Eastings are the north south running or vertical lines and northings are the east-west running or horizontal lines.

Question 31

Which grid is the starting point/reference point for measurement?

Answer 31

The extreme south west grid or the one at the left bottom corner.

Question 32

Eastings and northings are always given in __ digits.

Answer 32

Two

Question 33

There are two types of grid reference. What are they?

Answer 33

Four-figure reference and the six-figure reference

Question 34

What is the use of four-figure reference?

Answer 34

It is used to locate places that fall within a grid square.

Question 35

What is the use of the six-figure grid reference?

Answer 35

It is used to locate objects with greater accuracy within the grid.

Question 36

Jawar hill has an elevation of nearly _____m.

Answer 36

533m

Question 37

What is knoll?

Answer 37

A small hill is known as knoll.