Maps

Read the following statements about important waterways carefully and identify the correct statements.
A. Panama Canal was constructed by Mexican government.
B. Suez Canal has a six-lock system and ships cross the different levels through these locks.
C. Mississippi-Ohio waterway connects the interior part of USA with the Gulf of Mexico.
D. Soo Canal and Welland Canal are part of the Great Lakes-St. Lawrence seaway.
Choose the correct answer from the options given below:

Thematic type of map is based on which one of the following?

Which of the following cannot be shown on the Mercator's projection?

In which of the following method of surveying the location of the objects sighted is at the intersection of the rays drawn from the two points?

Given below are two statements about Plane Table Survey:
Statement I : The hairline of the alidade and the ranging rod fixed at the other end of the baseline on the ground should be in the same line when seen through the eye vane.
Statement II : The table is said to be lying in azimuth when a line showing the magnetic north is drawn with the help of a trough compass placed on an oriented table.
In the light of the above statements, choose the correct answer from the options given below:

Read the given statements about enlargement and reduction of maps and identify the correct statements:
A. Similar square method of map reduction is a mechanical method.
B. The principle of similar triangles is used in the enlargement or reduction of relatively narrow areas.
C. The principle of similar squares is used in the enlargement or reduction of larger areas.
D. The triangular method is very useful if the area to be reduced has large longitudinal and latitudinal extensions.
Choose the most appropriate answer from the options given below: