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NCERT solutions for Class 9 Science chapter 15 - Improvement in Food Resources

Science Textbook for Class 9

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Chapters

NCERT Science Class 9

Science Textbook for Class 9

Chapter 15: Improvement in Food Resources

Chapter 15: Improvement in Food Resources solutions [Page 204]

Q 1 | Page 204

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

Chapter 15: Improvement in Food Resources solutions [Page 205]

Q 1 | Page 205

How do biotic and abiotic factors affect crop production?

Q 2 | Page 205

What are the desirable agronomic characteristics for crop improvements?

Chapter 15: Improvement in Food Resources solutions [Page 206]

Q 1 | Page 206

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

Q 2 | Page 206

How do plants get nutrients?

Chapter 15: Improvement in Food Resources solutions [Page 207]

Q 1 | Page 207

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

Chapter 15: Improvement in Food Resources solutions [Page 208]

Q 1 | Page 208

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

(a) Farmers use high-quality seeds, do not adopt irrigation or use fertilizers.

(b) Farmers use ordinary seeds, adopt irrigation and use fertilizer.

(c) Farmers use quality seeds, adopt irrigation, use fertilizer and use crop protection measures.

Chapter 15: Improvement in Food Resources solutions [Page 209]

Q 1 | Page 209

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

Q 2 | Page 209

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

Chapter 15: Improvement in Food Resources solutions [Page 210]

Q 1 | Page 210

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

Chapter 15: Improvement in Food Resources solutions [Page 211]

Q 1 | Page 211

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.”

Chapter 15: Improvement in Food Resources solutions [Page 211]

Q 1 | Page 211

What management practices are common in dairy and poultry farming?

Q 2 | Page 211

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

Chapter 15: Improvement in Food Resources solutions [Page 213]

Q 1 | Page 213

How are fish obtained?

Q 2 | Page 213

What are the advantages of composite fish culture?

Chapter 15: Improvement in Food Resources solutions [Page 213]

Q 1 | Page 213

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

Q 2 | Page 213

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

Chapter 15: Improvement in Food Resources solutions [Pages 214 - 215]

Q 1 | Page 214

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

Q 2 | Page 214

Why are manures and fertilizers used in fields?

Q 3 | Page 214

What are the advantages of inter-cropping and crop rotation?

Q 4 | Page 214

What is genetic manipulation? How is it useful in agricultural practices?

Q 5 | Page 215

How do storage grain losses occur?

Q 6 | Page 215

How do good animal husbandry practices benefit farmers?

Q 7 | Page 215

What are the benefits of cattle farming?

Q 8 | Page 215

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

Q 9 | Page 215

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

Chapter 15: Improvement in Food Resources

NCERT Science Class 9

Science Textbook for Class 9

NCERT solutions for Class 9 Science chapter 15 - Improvement in Food Resources

NCERT solutions for Class 9 Science chapter 15 (Improvement in Food Resources) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Science Textbook for Class 9 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com are providing such solutions so that students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 9 Science chapter 15 Improvement in Food Resources are Crop Production Management - Nutrient Management, Improvement in Crop Yields - Crop Variety Improvement, Animal Husbandry - Poultry Farming, Animal Husbandry - Cattle Farming, Crop Protection Management, Crop Production Management - Cropping Patterns, Crop Production Management - Irrigation, Animal Husbandry - Bee Keeping, Animal Husbandry - Fish Production.

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

Get the free view of chapter 15 Improvement in Food Resources Class 9 extra questions for Science and can use Shaalaa.com to keep it handy for your exam preparation

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