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Important Questions for Class 8 Social Science Agriculture

Q1: What is agriculture and how is it classified into different types?

Ans:  Agriculture involves cultivating soil, growing crops, and raising livestock. It's categorized into

  • Subsistence farming which includes intensive and primitive methods.
  • Commercial farming comprising grain, mixed, and plantation techniques.CropsCrops

Q2: Describe the farm system with its inputs, processes, and outputs.

Ans:  A farm system has

  • Inputs such as seeds, fertilizers, machinery, and labor.
  • Processes like ploughing, sowing, and irrigation.
  • Outputs including crops, wool, dairy, and poultry products.Agriculture MachineryAgriculture Machinery

Q3: Explain the difference between intensive subsistence farming and commercial farming.

Ans: 

  • Intensive subsistence farming: Farmers use simple tools and labor on small plots to fulfill their family's needs.
  • Commercial farming: Involves growing crops or raising animals for sale, using advanced technology and covering large areas.

Q4: What is shifting cultivation and what are its disadvantages?

Ans: 

  • Shifting cultivation: Involves clearing land, using it until the soil loses fertility, then moving to a new area.
  • Disadvantages include
    1. Deforestation
    2. Loss of biodiversity
    3. Unsustainable soil use

Q5: Discuss the concept and significance of organic farming.

Ans: 

  • Organic farming Uses natural pesticides and manures, avoids chemicals, and doesn't involve genetic modifications.
  • Significant for
    1. Sustainable agriculture
    2. Healthier produce
    3. Environmental conservation

Q6: Describe the factors influencing the type of farming in a region.

Ans: Factors influencing farming type include geographical conditions, demand for produce, availability of labor, and level of technology.

Q7: What are the major food crops and where are they primarily grown?

Ans:

Major food crops:

  • Rice: Grown in tropical and sub-tropical regions
  • Wheat: Thrives in temperate zones
  • Maize: Cultivated in regions with moderate temperature and rainfallRice Wheat and MaizeRice Wheat and Maize

Cultivation depends on

  • Climatic conditions
  • Types of soil

Q8: How does climate affect the cultivation of rice and wheat?

Ans:

Rice cultivation Needs:

  • High temperature
  • High humidity
  • Significant rainfall

Wheat cultivation Grows best with:

  • Moderate temperature and rainfall
  • Bright sunshine at harvest time

Q9: Explain the importance of horticulture and its types.

Ans:   Horticulture  Involves growing vegetables, fruits, and flowers for sale.

  • Includes
    1. Sericulture: Producing silk
    2. Pisciculture: Breeding fish
    3. Viticulture: Growing grapes
    4. General horticulture for fruits and vegetables

SericultureSericulture

Q10: What is nomadic herding and where is it practiced?

Ans:  Nomadic herding  Moving with animals to find pasture and water.

Practiced in

  • Semi-arid and arid regions like Sahara
  • Parts of Central Asia
  • Rajasthan and Jammu and Kashmir in India

Q11: Discuss the role of technology in modern agriculture.

Ans: 

Modern agriculture Depends a lot on technology for better farming.

Uses
  • High-yielding variety seeds
  • Mechanization like tractors and harvesters
  • Scientific soil and water management
  • Precision farming techniques

Q12: How does agricultural development contribute to food security?

Ans: 

  • Agricultural development Boosts farm production using better cultivation methods, crop variety, irrigation, and technology.
  • Results in
    1. Enhanced food security
    2. Stable and enough food supply

Q13: Compare the agricultural practices of a farm in India with that in the USA.

Ans: In India, agriculture often involves small-scale farming with traditional practices for subsistence, while in the USA, it's large-scale, mechanized, and oriented towards commercial production.

Q14: What are plantation crops and where are they mainly grown?

Ans: 

  • Plantation crops: Include tea, coffee, sugarcane, and rubber.
  • Grown in

Tropical regions

  • Characteristics
    1. Cultivated on large estates
    2. Need a lot of labor
    3. Often processed on or near the plantations

Q15: Explain the role of cooperative societies in agricultural development in India.

Ans: 

Cooperative societies: Help farmers in India.

  • They provide
    1. Access to better resources
    2. Financial help
    3. Improved seeds and fertilizers
    4. Guidance on modern farming techniques
  • Helps in
    1. Agricultural development
    2. Sustainability

The document Important Questions for Class 8 Social Science Agriculture is a part of the Class 8 Course Social Studies (SST) Class 8.
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FAQs on Important Questions for Class 8 Social Science Agriculture

1. What are the main types of agriculture?
Ans. There are primarily two types of agriculture: subsistence agriculture and commercial agriculture. Subsistence agriculture involves farming for self-consumption, whereas commercial agriculture focuses on producing crops and livestock for sale.
2. What are the advantages of organic farming?
Ans. Organic farming has several advantages, such as reduced chemical pesticide and fertilizer use, preservation of soil fertility, improved biodiversity, and healthier food products. It also promotes sustainable farming practices and environmental conservation.
3. How can pests be managed in agriculture?
Ans. Pests can be managed in agriculture through various methods, including biological control, cultural practices, and chemical control. Biological control involves using natural predators or parasites to control pests, while cultural practices include crop rotation and planting pest-resistant varieties. Chemical control involves the use of pesticides, but it should be used judiciously to minimize environmental impacts.
4. What are the essential nutrients required for plant growth?
Ans. Plants require several essential nutrients for proper growth and development. These nutrients include macronutrients such as nitrogen, phosphorus, and potassium, as well as micronutrients like iron, zinc, and manganese. Each nutrient plays a specific role in the plant's metabolism and overall health.
5. How does irrigation impact agriculture?
Ans. Irrigation plays a vital role in agriculture by providing water to crops in areas with inadequate rainfall. It helps farmers maintain crop productivity, especially during dry seasons or in arid regions. Proper irrigation techniques and efficient water management are crucial to prevent water wastage and ensure sustainable agricultural practices.
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