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CBSE Class 9  >  Class 9 Notes  >  Science   >  Unit Test: Improvement in Food Resources

Unit Test: Improvement in Food Resources

Time: 1 hour 
M.M. 30 
Attempt all questions. 
Question numbers 1 to 5 carry 1 mark each. 
Question numbers 6 to 8 carry 2 marks each. 
Question numbers 9 to 11 carry 3 marks each. 
Question number 12 & 13 carry 5 marks each.

​Q1. What is the main source of carbohydrates in our diet? (1 Mark)

​Q2. Name one kharif crop. (1 Mark)

​Q3. What is the process of crossing between genetically dissimilar plants called? (1 Mark)

​Q4. Which type of manure is prepared using earthworms? (1 Mark)

​Q5. Name one exotic breed of cattle used for longer lactation periods. (1 Mark)

​Q6. Why is irrigation important for agriculture in India? (2 Marks)

​Q7. Differentiate between mixed cropping and inter-cropping. (2 Marks)

Q8. What are the two types of food requirements for dairy animals? (2 Marks)

Q9. How do biotic and abiotic factors affect crop production? (3 Marks)

Q10. Explain the advantages of composite fish culture. (3 Marks)

Q11. What are the desirable traits for improving poultry breeds? (3 Marks)

Q12. Explain the methods used for crop variety improvement and their significance. (5 Marks)

Q13. Compare the use of manure and fertilizers in agriculture, highlighting their impact on soil fertility and the environment. (5 Marks)

The document Unit Test: Improvement in Food Resources is a part of the Class 9 Course Science Class 9.
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FAQs on Unit Test: Improvement in Food Resources

1. What are the primary factors contributing to the improvement of food resources?
Ans.The improvement of food resources is influenced by several key factors, including advancements in agricultural technology, better crop management practices, enhanced irrigation methods, and the development of high-yielding crop varieties. Additionally, research in genetics and biotechnology plays a significant role in producing crops that are more resistant to diseases and climate conditions, thereby increasing food production.
2. How does sustainable agriculture contribute to food resource improvement?
Ans.Sustainable agriculture focuses on practices that maintain the health of the environment while producing food. This includes methods such as crop rotation, organic farming, and agroforestry, which help preserve soil fertility and biodiversity. By reducing reliance on chemical fertilizers and pesticides, sustainable agriculture not only enhances food quality but also ensures the long-term viability of food resources.
3. What role does government policy play in enhancing food resources?
Ans.Government policies are crucial in shaping the agricultural landscape. Policies that promote research and development, provide subsidies for farmers, and establish food security programs can significantly enhance food resources. Moreover, regulations that support sustainable farming practices and encourage the use of technology can lead to increased agricultural productivity and improved food availability.
4. How do climate change and environmental factors affect food resources?
Ans.Climate change and environmental factors such as drought, floods, and changes in temperature can severely impact food resources. These changes can lead to reduced crop yields, loss of arable land, and increased pest and disease pressures. Adapting agricultural practices to mitigate these effects is essential for maintaining and improving food resources in the face of a changing climate.
5. What are some innovative technologies being used to improve food production?
Ans.Innovative technologies such as precision agriculture, which utilizes data analytics and satellite imagery, are being employed to optimize farming practices. Other advancements include the use of genetically modified organisms (GMOs) that can withstand adverse conditions and vertical farming systems that maximize space and resource efficiency. These technologies aim to increase food production while minimizing environmental impact.
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Apr 18, 2026 Last updated
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Document Description: Unit Test: Improvement in Food Resources for Class 9 2026 is part of Science Class 9 preparation. The notes and questions for Unit Test: Improvement in Food Resources have been prepared according to the Class 9 exam syllabus. Information about Unit Test: Improvement in Food Resources covers topics like and Unit Test: Improvement in Food Resources Example, for Class 9 2026 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Unit Test: Improvement in Food Resources.
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