Q1 E of 30 Page 96

Choose the best answer

GPS consists of a constellation of ___________ satellites.


A. 7


B. 24


C. 32


D. 64


Option b) is correct because GPS consists of a constellation of 24 satellites. These 24 satellites are U.S. satellites in six different orbits in space flying 20,350 km above the surface of the earth.


Option a), c) and d) is incorrect because we know that GPS consists of a constellation of 24 satellites.

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1 C

Choose the best answer

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


 1 D

Choose the best answer

Which one of the following maps shows us a very large area with less details? ___________.


A. Large scale


B. Thematic


C. Physical


D. Small scale


 2 A

Consider the given statements and choose the right option given below

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

Consider the given statements and choose the right option given below

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)