Mapping Skills

Samacheer Book Back Questions And Answers For Geography Standard 9 Full Book “Mapping Skills”

I. Choose the best answer:
1. The new phase in topographical surveying in the 20th century is _____.
a) toposheets
b) aerial photography
c) maps
d) satellite imagery

2. _____ indicates the purpose or theme of the map.
a) Title
b) Scale
c) Direction
d) Legend

3. Standard symbols that are used in maps to convey a definite meaning are called _____.
a) conventional signs and symbols
b) coordinates
c) grid references
d) directions

4. Which one of the following maps show us a very large area with less details?
a) Large scale
b) Thematic
c) Physical
d) Small scale

5. GPS consists of a constellation of _____ satellites.
a) 7
b) 24
c) 32
d) 64

II. Match the following:
1. The art and science of mapping     A. USA
2. Thematic mapping                          B. Geoid
3. Actual shape of the earth               C. Inmarsat
4. A satellite                                        D. Political map
5. NAVSTAR                                         E. Cartography

Answers:
1. E
2. D
3. B
4. C
5. A

III. Consider the given statements and choose the right option given below:
1. Assertion (A): The points at which the vertical and horizontal lines of the grid intersect are called coordinates.
Reason (R): The lines that run horizontally and vertically are called Northings and Eastings respectively.
(a) Both (A) and (R) are true; (R) explains (A)
(b) Both (A) and (R) are true; (R) does not explain (A)
(c) (A) is correct; (R) is false
(d) (A) is false; (R) is true

2. Assertion (A) The legend of a map does not help us to understand the information in a map.
Reason (R) It is usually placed at the left or right corner at the bottom of the map.
(a) (A) is false; (R) is true
(b) Both (A) and (R) are true; (R) does not explain (A)
(c) (A) is correct; (R) is false
(d) Both (A) and (R) are true; (R) explains (A)