NCERT Class 9 Skill Education Important Chapter 1 Introduction to Agricultural Practices

NCERT Class 9 Skill Education Important Chapter 1 Introduction to Agricultural Practices Solutions English Medium As Per New Syllabus. to each chapter is provided in the list so that you can easily browse through different chapters NCERT Class 9 Skill Education Important Chapter 1 Introduction to Agricultural Practices Notes and select need one. NCERT Class 9 Skill Education Important Chapter 1 Introduction to Agricultural Practices Question Answers Download PDF. NCERT Class 9 Skill Education Additional Solutions.

NCERT Class 9 Skill Education Important Chapter 1 Introduction to Agricultural Practices

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Introduction to Agricultural Practices

Chapter: 1

IMPORTANT SOLUTIONS

A. Short Question Answer:

1. Why is the agriculture sector often referred to as the ‘mother of all production’? 

Ans: It is called the ‘mother of all production’ because it is not only the primary source for the sustenance of human civilisation but also the provider of raw materials for almost all human activities.

2. What is the definition of food security? 

Ans: Food security means that all people, at all times, have reliable access to a sufficient quantity of affordable and healthy food.

3. According to the Economic Survey of India 2024–25, what is the contribution of agriculture to employment and GDP? 

Ans: The agriculture sector employs 46.1 per cent of the workforce and contributes 16 per cent to India’s Gross Domestic Product (GDP).

4. Which ancient Indian text provides details on traditional agricultural techniques? 

Ans: The Kṛiṣhi-parāśhara provides a detailed account of traditional agricultural techniques, blending scientific observations and ecology.

5. Why does the cost of agricultural produce increase in the value chain? 

Ans: The value and cost increase at each step due to additional processes like storage, processing, cleaning, and packaging, as well as the cost of transport and profits.

6. What is the role of Agrotechnological Advisory Services (AAS)? 

Ans: Provided by the India Meteorological Department, these services offer weather forecasts and advisories that help farmers plan their crops and predict outbreaks of livestock diseases.

7. What are the uses of a rain gauge and a dry-wet bulb thermometer? 

Ans: A rain gauge measures the depth of rainfall over a specific period, while a dry-wet bulb thermometer measures the actual temperature and humidity of the air.

8. What are the four main components of an ideal soil composition? 

Ans: A dynamic mix of soil composition includes 45 per cent minerals (sand, silt, and clay), 5 per cent organic matter, 20–30 per cent water, and 20–30 per cent air.

9. What is the purpose of conducting a mason jar test? 

Ans: The mason jar test is used to assess soil texture by measuring the percentage of sand, silt, and clay in a soil sample.

10. How should a farmer amend soil that has more than 80 per cent sand?

 Ans: They should add compost or garden soil to increase the water-holding capacity and add necessary nutrients.

11. What is the ideal soil pH for most plants, and how can highly acidic soil (pH below 6) be treated? 

Ans: Most plants grow best in slightly acidic to neutral soils with a pH of 6 to 7. Highly acidic soil can be treated by adding compost, wood ash, lime, or dolomite.

12. What is seed dormancy? 

Ans: Seed dormancy is a natural condition where seeds remain alive but do not germinate until environmental conditions are suitable for their survival.

13. How does the floating method help in seed selection? 

Ans: By placing seeds in salt water, damaged, infected, or hollow seeds float on the surface and can be discarded, leaving only the healthy, heavy seeds for planting.

14. What are the primary ingredients needed to make vermicompost? 

Ans: The main ingredients required are agro waste, cow dung, and worms, kept in a moist pit.

15. What is Daśhaparṇī arka made of? 

Ans: Daśhaparṇī arka is an organic pesticide made from ten different types of plant leaves, cow dung, and cow urine, which is fermented for 30–40 days.

16. What is Lac and how is it produced? 

Ans: Lac is an important Non-Timber Forest Produce (NTFP). It is a resinous substance produced by a tiny insect called Kerria lacca as a protective coating on the branches of host trees.

17.  What is food security? 

Ans: Food security means that all people have reliable access to a sufficient quantity of affordable and healthy food at all times.

18. What is the floating method used for?

Ans:  It is used to separate healthy seeds from damaged ones by placing them in salt water; damaged or hollow seeds will float, while healthy seeds sink.

19. What does a dry-wet bulb thermometer measure?

Ans: It measures both the actual air temperature and the humidity in the air.

20. What is a crop calendar? It is a schedule for farming activities that helps farmers make decisions about planting and harvesting based on local weather and soil conditions.

Ans: A crop calendar is a schedule of farming activities that helps farmers plan the right time for planting, caring for crops, and harvesting based on local weather and soil conditions. It helps improve crop growth and increase production.