CBSE Class 6 General Knowledge

Unit 3: World Geography

Lesson: Climatic Zones of the World

📘 Study Module: Climatic Zones of the World

1. Introduction

The Earth receives heat from the Sun in different amounts at different places. Based on the distribution of heat and temperature, the Earth is divided into climatic zones. These zones help us understand weather patterns, vegetation, and human activities.

2. Meaning of Climate

Climate refers to the average weather conditions of a place over a long period of time. It includes temperature, rainfall, humidity, and wind conditions.

3. Basis of Climatic Zones

Climatic zones are mainly based on latitudes, which determine how much sunlight a region receives. Areas near the Equator receive more heat, while areas near the poles receive less heat.

4. Major Climatic Zones of the World

The Earth is divided into three main climatic zones:

• Torrid Zone
• Temperate Zone
• Frigid Zone

Each zone has distinct temperature conditions and natural features.

5. Torrid Zone

The Torrid Zone lies between the Tropic of Cancer (23½° North) and the Tropic of Capricorn (23½° South). This zone receives direct sunlight throughout the year and is the hottest zone.

6. Temperate Zone

The Temperate Zones lie between the tropics and the polar circles. These zones experience moderate temperatures. There are two temperate zones—Northern Temperate Zone and Southern Temperate Zone.

7. Frigid Zone

The Frigid Zones lie beyond the Arctic Circle (66½° North) and the Antarctic Circle (66½° South). These regions are extremely cold and receive very little sunlight.

8. Importance of Climatic Zones

Climatic zones influence vegetation, wildlife, agriculture, clothing, and lifestyle of people. They also help in understanding global climate patterns.

📝 Questions and Answers

A. Short Answer Questions

(One sentence each)

1. What is climate?
   Answer: Climate is the average weather condition of a place over a long period.
2. What are climatic zones?
   Answer: Climatic zones are regions of the Earth divided based on temperature and heat received.
3. Name the three main climatic zones of the world.
   Answer: Torrid Zone, Temperate Zone, and Frigid Zone.
4. Which zone is the hottest?
   Answer: The Torrid Zone is the hottest zone.
5. Between which latitudes does the Torrid Zone lie?
   Answer: The Torrid Zone lies between the Tropic of Cancer and the Tropic of Capricorn.
6. What is the Northern Temperate Zone?
   Answer: It is the zone between the Tropic of Cancer and the Arctic Circle.
7. Where is the Southern Temperate Zone located?
   Answer: It lies between the Tropic of Capricorn and the Antarctic Circle.
8. Which zone is the coldest?
   Answer: The Frigid Zone is the coldest zone.
9. What are the Polar Circles?
   Answer: The Arctic Circle and Antarctic Circle are known as Polar Circles.
10. Why do climatic zones differ?
    Answer: Climatic zones differ due to unequal heating of the Earth by the Sun.

B. Long Answer Questions

(3–5 sentences each)

11. Explain the Torrid Zone.
    Answer: The Torrid Zone lies between the Tropic of Cancer and the Tropic of Capricorn. It receives direct rays of the Sun throughout the year. Due to this, temperatures remain high. This zone includes regions near the Equator.
12. Describe the Temperate Zones.
    Answer: The Temperate Zones lie between the tropics and the polar circles. These zones receive slanting rays of the Sun. Temperatures here are moderate, neither very hot nor very cold. There are two temperate zones—north and south.
13. What is the Frigid Zone?
    Answer: The Frigid Zones lie beyond the Arctic and Antarctic Circles. These regions receive very little sunlight. Temperatures remain extremely low throughout the year. Ice and snow cover most of these areas.
14. How do latitudes affect climatic zones?
    Answer: Latitudes determine the angle at which sunlight falls on the Earth. Areas near the Equator receive direct sunlight. Areas near the poles receive slanting sunlight. This creates different temperature zones.
15. Explain the importance of climatic zones.
    Answer: Climatic zones help us understand temperature patterns of the Earth. They influence vegetation and wildlife. Human activities like farming and housing depend on climate. Thus, climatic zones affect daily life.
16. Write a short note on the Northern Temperate Zone.
    Answer: The Northern Temperate Zone lies between the Tropic of Cancer and the Arctic Circle. It experiences moderate temperatures. Seasons like summer, winter, spring, and autumn are clearly seen. Many countries are located in this zone.
17. Describe the Southern Temperate Zone.
    Answer: The Southern Temperate Zone lies between the Tropic of Capricorn and the Antarctic Circle. It has moderate climate conditions. Seasons are opposite to those in the Northern Hemisphere. Fewer land areas lie in this zone.
18. Why is the Frigid Zone sparsely populated?
    Answer: The Frigid Zone has extremely cold temperatures. There is little vegetation and limited resources. Harsh weather conditions make living difficult. Hence, population is very low.
19. How does climate influence vegetation?
    Answer: Climate determines the type of plants that can grow in a region. Hot and wet climates support dense forests. Cold regions support very little vegetation. Moderate climates support crops and grasslands.
20. How do climatic zones help in understanding the Earth?
    Answer: Climatic zones explain temperature differences across the globe. They help in studying weather and climate patterns. These zones also help understand human settlements. They provide a systematic way to study geography.

🧠 Multiple Choice Questions (MCQs)

(With Answers and Detailed Explanations)

1. Climate refers to ______.
   a) daily weather
   b) average weather over time
   c) rainfall only
   d) temperature only
   Answer: b) average weather over time
   Explanation: Climate is the average weather condition over a long period.
2. Which is the hottest climatic zone?
   a) Temperate Zone
   b) Frigid Zone
   c) Torrid Zone
   d) Polar Zone
   Answer: c) Torrid Zone
   Explanation: The Torrid Zone receives direct sunlight.
3. The Torrid Zone lies between ______.
   a) Arctic Circle and Antarctic Circle
   b) Equator and Tropic of Cancer
   c) Tropic of Cancer and Tropic of Capricorn
   d) Prime Meridian and Equator
   Answer: c) Tropic of Cancer and Tropic of Capricorn
   Explanation: These latitudes mark the Torrid Zone.
4. Which zone has extremely cold climate?
   a) Torrid Zone
   b) Temperate Zone
   c) Frigid Zone
   d) Tropical Zone
   Answer: c) Frigid Zone
   Explanation: The Frigid Zone lies near the poles.
5. Which latitude marks the beginning of the Frigid Zone?
   a) Tropic of Cancer
   b) Equator
   c) Arctic Circle
   d) Tropic of Capricorn
   Answer: c) Arctic Circle
   Explanation: Areas beyond the Arctic Circle lie in the Frigid Zone.
6. The Temperate Zones receive ______ rays of the Sun.
   a) direct
   b) vertical
   c) slanting
   d) reflected
   Answer: c) slanting
   Explanation: Slanting rays cause moderate temperatures.
7. How many main climatic zones are there?
   a) Two
   b) Three
   c) Four
   d) Five
   Answer: b) Three
   Explanation: The Earth is divided into three main climatic zones.
8. Which zone lies between the Tropic of Capricorn and Antarctic Circle?
   a) Torrid Zone
   b) Northern Temperate Zone
   c) Southern Temperate Zone
   d) Frigid Zone
   Answer: c) Southern Temperate Zone
   Explanation: This zone lies in the Southern Hemisphere.
9. Why are the Frigid Zones cold?
   a) Heavy rainfall
   b) Direct sunlight
   c) Slanting sunlight
   d) No atmosphere
   Answer: c) Slanting sunlight
   Explanation: Slanting rays spread heat over a larger area.
10. Which climatic zone experiences all four seasons clearly?
    a) Torrid Zone
    b) Frigid Zone
    c) Temperate Zone
    d) Polar Zone
    Answer: c) Temperate Zone
    Explanation: Temperate zones experience seasonal changes.
11. Which zone is also called the tropical zone?
    a) Frigid Zone
    b) Torrid Zone
    c) Temperate Zone
    d) Polar Zone
    Answer: b) Torrid Zone
    Explanation: The Torrid Zone lies between the tropics.
12. The Arctic Circle is located at ______.
    a) 23½° North
    b) 66½° North
    c) 23½° South
    d) 66½° South
    Answer: b) 66½° North
    Explanation: The Arctic Circle marks the northern Frigid Zone.
13. Which factor mainly decides climatic zones?
    a) Rivers
    b) Mountains
    c) Latitudes
    d) Longitudes
    Answer: c) Latitudes
    Explanation: Latitude determines the amount of sunlight received.
14. Which zone receives the least heat?
    a) Torrid Zone
    b) Temperate Zone
    c) Frigid Zone
    d) Tropical Zone
    Answer: c) Frigid Zone
    Explanation: Frigid Zones receive minimal sunlight.
15. Which zone lies near the Equator?
    a) Temperate Zone
    b) Frigid Zone
    c) Torrid Zone
    d) Polar Zone
    Answer: c) Torrid Zone
    Explanation: The Torrid Zone surrounds the Equator.
16. Which zone is best suited for agriculture?
    a) Frigid Zone
    b) Temperate Zone
    c) Torrid Zone
    d) Polar Zone
    Answer: b) Temperate Zone
    Explanation: Moderate climate supports farming.
17. What type of vegetation grows in Frigid Zones?
    a) Dense forests
    b) Grasslands
    c) Very little vegetation
    d) Crops
    Answer: c) Very little vegetation
    Explanation: Extreme cold limits plant growth.
18. Climate affects ______.
    a) only plants
    b) only animals
    c) only humans
    d) plants, animals, and humans
    Answer: d) plants, animals, and humans
    Explanation: Climate influences all living beings.
19. Which zone lies beyond the Antarctic Circle?
    a) Southern Temperate Zone
    b) Torrid Zone
    c) Frigid Zone
    d) Tropical Zone
    Answer: c) Frigid Zone
    Explanation: Areas beyond polar circles belong to Frigid Zones.
20. Why is the Torrid Zone hot?
    a) Heavy rainfall
    b) Slanting rays
    c) Direct rays of the Sun
    d) Strong winds
    Answer: c) Direct rays of the Sun
    Explanation: Direct sunlight causes higher temperatures.

✅ End of Lesson

Prepared strictly according to NCERT syllabus and CBSE Class 6 examination standards.