Food Resources Improvement Class 9th CBSE Test
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Questions and Answers

Explain the concept of crop rotation and its importance in improving food resources?

Crop rotation is the practice of growing different types of crops in the same area in sequential seasons. It helps in maintaining soil fertility, controlling pests and diseases, and reducing soil erosion.

Describe the process of artificial selection and its significance in improving food resources?

Artificial selection is the process of selecting and breeding plants or animals with desired traits to enhance their productivity or quality. It is significant in developing crop varieties and livestock breeds with improved characteristics for better food production.

Discuss the role of sustainable agricultural practices in ensuring food security?

Sustainable agricultural practices involve using environmentally friendly methods to cultivate crops and raise livestock, while ensuring the long-term viability of farming. These practices contribute to food security by preserving natural resources, reducing environmental degradation, and promoting stable food production.

What are the advantages and disadvantages of monoculture in agriculture?

<p>Advantages: high yield, efficient use of machinery. Disadvantages: loss of biodiversity, increased vulnerability to pest outbreaks and diseases.</p> Signup and view all the answers

How does the Green Revolution contribute to the improvement of food resources?

<p>The Green Revolution led to the development of high-yielding varieties of crops, increased use of fertilizers and pesticides, and modern agricultural techniques, resulting in improved food production and reduced food scarcity.</p> Signup and view all the answers

Discuss the impact of biotechnology on food resources and agriculture.

<p>Biotechnology has enabled the development of genetically modified crops with enhanced traits, leading to increased crop yield, resistance to pests, and tolerance to environmental stresses. However, it has also raised concerns about biodiversity loss, health risks, and ethical considerations.</p> Signup and view all the answers

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