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Q: An International Series at the scale of 1:1,000,000 is considered as base map for preparation of topographic maps. The base map is divided into sections of _____º latitude x____º longitude.
  • A. 4, 4
  • B. 2, 2
  • C. 1, 1
  • D. 0.5, 0.5
Correct Answer: Option A - An instrumental series (within 4⁰N to 40⁰ N) latitude and 44⁰E to 124⁰E longitude) at the scale of 1 : 1000000 is being considered as base maps. • The base map is divided into sections of 4⁰ latitude × 4⁰ longitude and designated from 1 (at the extreme north-west) to 136 covering only land areas and leaving any 4⁰ square if it falls completely in the sea.
A. An instrumental series (within 4⁰N to 40⁰ N) latitude and 44⁰E to 124⁰E longitude) at the scale of 1 : 1000000 is being considered as base maps. • The base map is divided into sections of 4⁰ latitude × 4⁰ longitude and designated from 1 (at the extreme north-west) to 136 covering only land areas and leaving any 4⁰ square if it falls completely in the sea.

Explanations:

An instrumental series (within 4⁰N to 40⁰ N) latitude and 44⁰E to 124⁰E longitude) at the scale of 1 : 1000000 is being considered as base maps. • The base map is divided into sections of 4⁰ latitude × 4⁰ longitude and designated from 1 (at the extreme north-west) to 136 covering only land areas and leaving any 4⁰ square if it falls completely in the sea.