Chapter Exam

Chapter 11: Interpretation of Topographical Map — Online MCQ Test

Q: Which organization is responsible for publishing topographical maps in India?

Answer: B. Survey of India — The Survey of India (SOI) is the national mapping agency that produces topographical maps.

Q: What is the representative fraction (RF) of a standard topographical map at a scale of 1:50,000?

Answer: A. 1 cm represents 500 meters — In 1:50,000 scale, 1 unit on the map equals 50,000 units on the ground, which is 500 meters.

Q: What does a dense network of closely spaced contour lines indicate on a map?

Answer: C. A steep slope — Contour lines indicate elevation; when they are close together, it signifies a rapid change in elevation, meaning a steep slope.

Q: In identifying settlement sites, why are places with 'Dispersed' settlements usually located on higher ground in tropical flood-prone areas?

Answer: B. To avoid seasonal flooding — In flood-prone regions, settlements are often dispersed on elevated ground (dry point settlements) to stay safe from seasonal inundation.

GEOGRAPHY · CLASS 11th · Tamil Nadu State Board

Practice Chapter 11: Interpretation of Topographical Map with a free chapter-wise online MCQ test for Tamil Nadu State Board CLASS 11th GEOGRAPHY. This chapter covers: Focusing on map reading practicals this chapter details conventional signs symbols relief reading drainage analysis and settlement pattern identification on Survey of India topo sh.... AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 11: Interpretation of Topographical Map — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board CLASS 11th GEOGRAPHY — Chapter 11: Interpretation of Topographical Map, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which organization is responsible for publishing topographical maps in India?

A. Geological Survey of India
B. Survey of India ✓
C. Indian Meteorological Department
D. National Atlas and Thematic Mapping Organisation

Answer: B. Survey of India
The Survey of India (SOI) is the national mapping agency that produces topographical maps.

What is the representative fraction (RF) of a standard topographical map at a scale of 1:50,000?

A. 1 cm represents 500 meters ✓
B. 1 cm represents 5 km
C. 1 cm represents 50 meters
D. 1 cm represents 500 km

Answer: A. 1 cm represents 500 meters
In 1:50,000 scale, 1 unit on the map equals 50,000 units on the ground, which is 500 meters.

What does a dense network of closely spaced contour lines indicate on a map?

A. A gentle slope
B. A flat plateau
C. A steep slope ✓
D. A river valley

Answer: C. A steep slope
Contour lines indicate elevation; when they are close together, it signifies a rapid change in elevation, meaning a steep slope.

How do you distinguish a spur from a valley using contour lines?

A. Spurs have V-shapes pointing to lower ground, valleys to higher ground. ✓
B. Spurs have circular lines, valleys have straight lines.
C. Spurs indicate flat land, valleys indicate mountainous land.
D. Both are represented by identical parallel lines.

Answer: A. Spurs have V-shapes pointing to lower ground, valleys to higher ground.
Spurs are protrusions of land, causing contours to point away from the high ground (downhill), while valleys point uphill.

In identifying settlement sites, why are places with 'Dispersed' settlements usually located on higher ground in tropical flood-prone areas?

A. To be near trade centers
B. To avoid seasonal flooding ✓
C. For better irrigation access
D. To follow industrial zoning laws

Answer: B. To avoid seasonal flooding
In flood-prone regions, settlements are often dispersed on elevated ground (dry point settlements) to stay safe from seasonal inundation.

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