CBSE Class 8 Social Science Chapter 4: Agriculture NCERT Solutions
This chapter delves into the fundamental aspects of Agriculture, a crucial primary activity. The NCERT Solutions for Class 8 Social Science, Chapter 4, provide clear explanations of what agriculture entails, including crop cultivation and livestock rearing. It details the various factors influencing agricultural practices, such as soil, climate, and topography. The solutions also explain different farming methods like shifting cultivation, plantation agriculture, subsistence farming, and intensive farming, highlighting their characteristics and geographical influences. Key crops like fiber crops (jute and cotton) and plantation crops (tea, coffee) are discussed along with their growth requirements. Furthermore, the chapter contrasts the lifestyles and farming techniques of farmers in India and the USA, emphasizing technological advancements and scale of operations. These solutions are designed to help students grasp the core concepts of agriculture, understand its global variations, and prepare effectively for their exams by offering detailed answers and explanations.
Quick info
| Board | CBSE |
|---|---|
| Class | Class 8 |
| Subject | Social Science |
| Session | 2026 |
| Language | English |
| Type | NCERT Solutions |
| Chapter | Chapter 4 – Agriculture |
Chapter summary
Chapter 4 of Class 8 Social Science NCERT Solutions focuses on Agriculture. It defines agriculture as a primary activity and explores the factors that influence it, including climate, soil, and topography. The chapter differentiates between various farming types such as shifting cultivation, plantation agriculture, subsistence farming, and intensive farming. It also covers major crops like fiber crops and plantation crops, along with their cultivation requirements. A comparative analysis of farming practices in India and the USA is presented, highlighting differences in scale, technology, and farmer lifestyles. These solutions offer a clear understanding of the agricultural landscape.
Learning outcomes
- Understand the definition and scope of agriculture as a primary activity.
- Identify and explain the factors influencing agricultural practices.
- Differentiate between various types of farming systems.
- Recognize major crops and their geographical requirements.
- Compare agricultural practices and farmer lifestyles in different countries.
- Explain the significance of agriculture in the economy.
Topics covered
Paper topics
- Definition of Agriculture
- Primary Activities
- Factors Influencing Agriculture (Climate, Soil, Topography)
- Types of Farming (Shifting Cultivation, Plantation Agriculture, Subsistence Farming, Intensive Farming)
- Fiber Crops (Jute, Cotton)
- Plantation Crops (Tea, Coffee, Rubber, Banana)
- Crop Growth Requirements
- Comparison of Farming in India and USA
- Secondary Activities
- Tertiary Activities
- Pisciculture
- Sericulture
Important topics
- Types of Farming Systems
- Factors Influencing Agriculture
- Major Crops and their Requirements
- Comparison of Farming Practices (India vs. USA)
- Definition of Agriculture and Primary Activities
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Questions and Solutions
Question 1
(ii) Name the factors influencing agriculture.
(iii) What is shifting cultivation? What are its disadvantages?
(iv) What is plantation agriculture?
(v) Name the fibre crops and name the climatic conditions required for their growth.
(i) Agriculture is a primary economic activity that encompasses the cultivation of crops, fruits, vegetables, and flowers, along with the practice of rearing livestock for various purposes.
(ii) The primary factors that influence agriculture include the topography of the land (its physical features), the prevailing climate (temperature, rainfall, sunlight), and the characteristics of the soil (its fertility and composition).
(iii) Shifting cultivation is a primitive farming method where a plot of land is cleared by cutting down trees and burning the vegetation. The resulting ash is mixed with the soil to enhance fertility, and crops are then grown. After a period, when the soil's fertility diminishes, the farmers abandon the plot and move to a new area to repeat the process. The main disadvantages of shifting cultivation are deforestation, as trees are cut and burned, and the contribution to air pollution from burning. This practice is considered detrimental to the environment.
(iv) Plantation agriculture is a specialized form of commercial farming where a single crop, such as tea, coffee, sugarcane, cashew, rubber, banana, or cotton, is cultivated over a large area. This type of farming requires significant investment in labor and capital. The produce is typically processed either on the farm itself or in nearby factories.
(v) The two major fibre crops are jute and cotton. Jute thrives best in alluvial soil and requires high temperatures, abundant rainfall, and a humid climate for its growth. Cotton, on the other hand, needs high temperatures, moderate rainfall, and bright sunshine for optimal development.
Question 2
(i) Horticulture means
(a) growing of fruits and vegetables (b) primitive farming (c) growing of wheat
(ii) Golden fibre refers to
(a) tea (b) cotton (c) jute
(iii) Leading producers of coffee
(a) Brazil (b) India (c) Russia
(i) (a) growing of fruits and vegetables
(ii) (c) jute
(iii) (a) Brazil
Question 3
(i) In India agriculture is a primary activity.
(ii) Different crops are grown in different regions.
(i) Agriculture is considered a primary activity in India because it directly involves the use of natural resources to produce food and raw materials. A significant portion of the Indian population is engaged in agriculture, often passing down farming skills through generations. Many farmers continue to practice agriculture due to a lack of access to or awareness of alternative livelihood options and advanced technologies, preferring the familiar methods learned from their ancestors.
(ii) The cultivation of different crops in various regions is primarily due to variations in climatic conditions, rainfall patterns, humidity levels, and soil types. Each crop has specific requirements for temperature, water, and soil nutrients. If these conditions are not met in a particular region, it becomes difficult or impossible to grow that specific crop, leading to regional specialization in agriculture based on suitability.
Question 4
(i) Primary activities and secondary activities.
(ii) Subsistence farming and intensive farming.
(i)
| Primary Activities | Secondary Activities |
| Activities that involve the direct extraction and production of natural resources are called primary activities. | Activities concerned with the processing of natural resources into finished goods are called secondary activities. |
| Examples include agriculture, fishing, mining, and gathering. | Examples include manufacturing in industries, baking bread, and constructing buildings. |
(ii)
| Subsistence Farming | Intensive Farming |
| This type of farming uses low levels of technology and primarily relies on household labor. The output produced is generally small and is mainly for the farmer's own consumption or local markets. | In intensive farming, a farmer cultivates a small plot of land using simple tools and a significant amount of labor. The aim is to maximize the yield from the limited land available. |
Question 5
The lifestyle of an Indian farmer differs significantly from that of a farmer in the USA. An average Indian farmer typically owns or cultivates a small landholding, often less than 2 hectares. In contrast, the average farm size in the USA is considerably larger, around 250 hectares. An Indian farmer usually lives in a village or a small house, while an American farmer often resides on their farmstead. Indian farmers often rely on their personal experience and advice from fellow farmers or elders for farming practices. Conversely, American farmers utilize scientific methods, such as getting their soil tested in laboratories to determine nutrient levels and employing advanced machinery and technology, including computer systems linked to satellites for precision farming.
Question 1 (More Questions Solved)
(i) Which of these is a tertiary activity?
(a) manufacturing wool (b) selling grocery (c) agriculture (d) none of these
(ii) What is the breeding of fish known as?
(a) agriculture (b) pisciculture (c) sericulture (d) viticulture
(iii) What is the main crop in intensive subsistence agriculture?
(a) rice (b) maize (c) wheat (d) oilseeds
(iv) Which form of farming is also called "slash and bum" agriculture?
(i) (b) selling grocery. Tertiary activities involve providing services. Selling grocery is a service-based activity.
(ii) (b) pisciculture. Pisciculture is the practice of breeding and rearing fish.
(iii) (a) rice. In many regions with intensive subsistence agriculture, especially in Asia, rice is the main staple crop due to its high yield and suitability for the climate and soil conditions.
(iv) Shifting cultivation is also known as "slash and burn" agriculture because the process involves cutting down trees and vegetation (slash) and then burning them to clear the land for farming.
Common mistakes
- Confusing primary, secondary, and tertiary activities.
- Not clearly distinguishing between different types of farming (e.g., subsistence vs. intensive).
- Incomplete understanding of the factors affecting crop growth.
- Overlooking the differences in farming scale and technology between developed and developing countries.
Revision tips
- Focus on understanding the definitions of key terms like agriculture, shifting cultivation, and plantation agriculture.
- Create a table to compare different farming types, noting their characteristics and examples.
- Memorize the climatic and soil requirements for major crops like cotton, jute, and coffee.
- Pay attention to the comparison between Indian and US farmers to understand the impact of technology and scale.
- Review the reasons provided for why different crops are grown in different regions.
Practice MCQs
Q1. Which of the following is considered a primary activity?
Explanation: Primary activities directly involve the extraction and production of natural resources. Fishing is an example of a primary activity.
Q2. What are the main factors influencing agriculture?
Explanation: Climate, topography (relief), and soil are the fundamental natural factors that determine the suitability and type of agriculture in a region.
Q3. Shifting cultivation is characterized by:
Explanation: Shifting cultivation involves clearing a plot of land by burning vegetation and then cultivating crops on the fertile ash-covered soil until the land is exhausted, after which farmers move to a new plot.
Q4. Which crop is known as 'Golden Fibre'?
Explanation: Jute is often referred to as 'Golden Fibre' due to its economic importance and the golden sheen of its fibers.
Q5. Plantation agriculture primarily focuses on:
Explanation: Plantation agriculture is a type of commercial farming where a single crop, such as tea, coffee, or rubber, is grown extensively on a large estate.
Frequently asked questions
What is agriculture according to NCERT Class 8 Social Science?
Agriculture is defined as a primary activity that involves the cultivation of crops, fruits, vegetables, flowers, and the rearing of livestock.
What are the main factors that influence agriculture?
The key factors influencing agriculture are the topography of the land, the climate (including temperature and rainfall), and the type of soil.
What is the difference between shifting cultivation and plantation agriculture?
Shifting cultivation involves clearing land by burning vegetation and moving to new plots after a few years, while plantation agriculture focuses on growing a single crop commercially over a large area.
Which crops are considered fiber crops, and what are their needs?
Jute and cotton are major fiber crops. Jute requires alluvial soil, high temperature, heavy rainfall, and humid climate. Cotton needs high temperature, light rainfall, and bright sunshine.
How does farming in the USA differ from farming in India?
Farming in the USA is typically large-scale, highly mechanized, and technologically advanced, with farmers using laboratory soil tests and computer-aided systems. In contrast, Indian farming is often small-scale, relies more on traditional methods and household labor, and farmers may have less access to advanced technology.
What does 'horticulture' mean in the context of agriculture?
Horticulture refers to the practice of growing fruits and vegetables.
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