MP Board Solutions Class 9 Science Chapter 12 – Improvement in Food Resources
MP Board Solutions for Class 9 Science Chapter 12 – Improvement in Food Resources are essential for understanding key Biology and Agriculture concepts in the MPBSE curriculum. These well-structured answers help students grasp topics like crop improvement, animal husbandry, fertilizers, and sustainable farming practices. Designed as per the latest syllabus, these solutions strengthen conceptual clarity and improve exam preparation. Ideal for revision and practice, they encourage logical thinking and scientific understanding, making them a valuable study tool for scoring well in Class 9 Science exams.
MP Board Solutions Class 9 Science – Improvement in Food Resources – Exercise Images
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Improvement in Food Resources – Important Questions with Answers
1. Classify food sources.
Answer: Plant-based and animal-based sources.
2. Which practices improve crop production?
Answer: Crop variety improvement, crop production techniques, crop protection.
3. What is hybridisation?
Answer: Crossing two different plant varieties to combine beneficial traits.
4. Factors affecting crop yield?
Answer: Genetic variety and environmental conditions (soil, water, climate).
5. Compare manures and fertilisers.
Answer: Manures: slow-acting organic; fertilisers: fast-acting chemicals.
6. Name two macronutrients and micronutrients.
Answer: Macronutrients – N, P; Micronutrients – Fe, Zn.
7. What is organic farming?
Answer: Cultivation without synthetic chemicals using natural methods.
8. Benefits of crop rotation?
Answer: Prevents soil depletion, controls pests, improves fertility.
9. What is mixed cropping?
Answer: Growing different crops together for resource efficiency.
10. Define intercropping.
Answer: Growing crops in specific row patterns for mutual benefit.
11. Common crop diseases and causes.
Answer: Rust in wheat (fungus), blast in rice (fungus).
12. What are weeds?
Answer: Unwanted plants that compete for crop resources.
13. Methods to control weeds?
Answer: Manual weeding and herbicides.
14. Define crop protection.
Answer: Measures to safeguard crops from pests, diseases, and weeds.
15. What is animal husbandry?
Answer: Science of managing farm animals for food or products.
16. List four practices in animal husbandry.
Answer: Feeding, breeding, disease control, shelter management.
17. Define poultry.
Answer: Rearing birds for eggs and meat.
18. Name two improved poultry breeds.
Answer: Leghorn and Rhode Island Red.
19. Types of cattle used for milk.
Answer: Native and cross-bred high-yielding breeds.
20. What is apiculture?
Answer: Rearing bees for honey and wax.
21. Name two types of honeybee species.
Answer: Apis cerana indica and Apis mellifera.
22. Define aquaculture.
Answer: Fish farming in controlled aquatic environments.
23. Main sources of fish?
Answer: Inland (pond/lake) and marine fisheries.
24. Why is disease control important in animal rearing?
Answer: Prevents economic loss and ensures healthy production.
25. How do fertilisers and manures improve soil?
Answer: They replenish nutrients (N, P, K) and enhance soil structure and fertility.
Improvement in Food Resources focuses on increasing the quality and quantity of food through scientific methods. Students learn about crop improvement, irrigation techniques, use of manures and fertilizers, and livestock management. The chapter emphasizes sustainable practices and scientific planning—highly relevant for MP’s agriculture-dependent economy. It builds awareness about food security, biodiversity, and responsible farming.
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