Geography 11

Question 1

Contour lines join places with the same ________ on a map.

Answer 1

Altitude

Question 2

Generally, contour lines do not _______ each other.

Answer 2

Cross

Question 3

How are contour maps helpful to us?

Answer 3

(i) Contour maps help us to understand various facets of landforms, like altitude, relief, slope, direction of slope and the drainage.
(ii) These maps are of immense use to mountaineers, trekkers, soldiers, defence officers, etc.
(iii) These maps prove to be of great use in planning of a region.

Question 4

Contour lines generally do not cross each other. Give reason.

Answer 4

(i) Contour lines join places with the same altitude on a map.
(ii) Therefore they generally do not cross each other.

Question 5

Observe the model and the map given below and answer the following questions:
Diagram :- pg no.122
11.3 a and 11.3 b
1)In which direction does fort Purandar lie?
2)What is the direction of flow of the river Karha?
3)In which parts are the hill ranges not observed?
4)Which part of the model is not seen in the map? Why?
5)In which direction does the altitude of Katraj- Diveghat range decrease?
6)In which direction are higher hill ranges located?

Answer 5

1)South
2)West to East
3)Eastern parts
4)The Karha river & the direction of its flow, the contour height and the slope of the land are part of map & not seen in the model.
5)West to east
6)Southern

Question 6

When one sees a landform on a contour map, what is the observer’s position with respect to landform? For example, a hill is shown with the help of contours on a map. From where do you think you are looking at it?

Answer 6

Aerial view. From somewhere above, may be from an aeroplane or helicopter.