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NCERT solutions for Science [English] Class 9 chapter 12 - Improvement in Food Resources [Latest edition]

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NCERT solutions for Science [English] Class 9 chapter 12 - Improvement in Food Resources - Shaalaa.com
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Solutions for Chapter 12: Improvement in Food Resources

Below listed, you can find solutions for Chapter 12 of CBSE NCERT for Science [English] Class 9.


Intext questionsExercises
Intext questions [Pages 141 - 150]

NCERT solutions for Science [English] Class 9 12 Improvement in Food Resources Intext questions [Pages 141 - 150]

Intext questions | Q 1. | Page 141

What do we get from cereals, pulses, fruits and vegetables?

Intext questions | Q 2. | Page 142

How do biotic and abiotic factors affect crop production?

Intext questions | Q 3. | Page 142

What are the desirable agronomic characteristics for crop improvements?

Intext questions | Q 4. | Page 143

What are macro-nutrients and why are they called macronutrients?

Intext questions | Q 5. | Page 143

How do plants get nutrients?

Intext questions | Q 6. | Page 144

Compare the use of manure and fertilizers in maintaining soil fertility.

Intext questions | Q 7. | Page 145

Which of the following conditions will give the most benefits? Why?

  • Farmers use high-quality seeds, do not adopt irrigation or use fertilizers.

  • Farmers use ordinary seeds, adopt irrigation and use fertilizer.

  • Farmers use quality seeds, adopt irrigation, use fertilizer and use crop protection measures.

Intext questions | Q 8. | Page 146

Why should preventive measures and biological control methods be preferred for protecting crops?

Intext questions | Q 9. | Page 146

What factors may be responsible for losses of grains during storage?

Intext questions | Q 10. | Page 147

Which method is commonly used for improving cattle breeds and why?

Intext questions | Q 11. | Page 148

Discuss the implications of the following statement:

“It is interesting to note that poultry is India’s most efficient converter of low fibre food stuff (which is unfit for human consumption) into highly nutritious animal protein food.”

Intext questions | Q 12. | Page 148

What management practices are common in dairy and poultry farming?

Intext questions | Q 13. | Page 148

What are the differences between broilers and layers and in their management?

Intext questions | Q 14. | Page 150

How are fish obtained?

Intext questions | Q 15. | Page 150

What are the advantages of composite fish culture?

Intext questions | Q 16. | Page 150

What are the desirable characters of bee varieties suitable for honey production?

Intext questions | Q 17. | Page 150

What is pasturage and how is it related to honey production?

Exercises [Page 151]

NCERT solutions for Science [English] Class 9 12 Improvement in Food Resources Exercises [Page 151]

Exercises | Q 1. | Page 151

Explain any one method of crop production which ensures high yield.

Exercises | Q 2. | Page 151

Why are manures and fertilizers used in fields?

Exercises | Q 3. (i) | Page 151

What are the advantages of inter-cropping?

Exercises | Q 3. (ii) | Page 151

What are the advantages of crop rotation?

Exercises | Q 4. (i) | Page 151

What is genetic manipulation?

Exercises | Q 4. (ii) | Page 151

How is genetic manipulation useful in agricultural practices?

Exercises | Q 5. | Page 151

How do storage grain losses occur?

Exercises | Q 6. | Page 151

How do good animal husbandry practices benefit farmers?

Exercises | Q 7. | Page 151

What are the benefits of cattle farming?

Exercises | Q 8. | Page 151

For increasing production, what is common in poultry, fisheries and bee-keeping?

Exercises | Q 9. | Page 151

How do you differentiate between capture fishing, mariculture and aquaculture?

Solutions for 12: Improvement in Food Resources

Intext questionsExercises
NCERT solutions for Science [English] Class 9 chapter 12 - Improvement in Food Resources - Shaalaa.com

NCERT solutions for Science [English] Class 9 chapter 12 - Improvement in Food Resources

Shaalaa.com has the CBSE Mathematics Science [English] Class 9 CBSE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. NCERT solutions for Mathematics Science [English] Class 9 CBSE 12 (Improvement in Food Resources) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.

Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.

Concepts covered in Science [English] Class 9 chapter 12 Improvement in Food Resources are Improvement in Crop Yields, Improvements in Food Resources, Crop Variety Improvement, Crop Production Improvement, Crop Protection Management, Methods to Replenish Nutrients in Your Soil, Manuring (Biomanuring), Improved methods of agriculture, Agricultural Assistance Programme, Animal Husbandry (Livestock), Poultry Farming, Pisciculture (Fish Farming), Apiculture (Bee Farming), Fertilizers, Dairy Farming, Improvement in Crop Yields, Improvements in Food Resources, Crop Variety Improvement, Crop Production Improvement, Crop Protection Management, Methods to Replenish Nutrients in Your Soil, Manuring (Biomanuring), Improved methods of agriculture, Agricultural Assistance Programme, Animal Husbandry (Livestock), Poultry Farming, Pisciculture (Fish Farming), Apiculture (Bee Farming), Fertilizers, Dairy Farming.

Using NCERT Science [English] Class 9 solutions Improvement in Food Resources exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in NCERT Solutions are essential questions that can be asked in the final exam. Maximum CBSE Science [English] Class 9 students prefer NCERT Textbook Solutions to score more in exams.

Get the free view of Chapter 12, Improvement in Food Resources Science [English] Class 9 additional questions for Mathematics Science [English] Class 9 CBSE, and you can use Shaalaa.com to keep it handy for your exam preparation.

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