NCERT Solutions for Class 9 Science Chapter 12 Improvement in Food Resources

NCERT Solutions for Class 9 Science Chapter 12 Improvement in Food Resources help students understand methods of improving crop yield, animal husbandry practices, and food production techniques. This chapter explains how scientific methods are used in agriculture and farming to increase productivity and ensure food security.

Prepared according to the latest CBSE Class 9 Science syllabus, these solutions provide clear and structured answers to help students build strong concepts and perform well in exams.

NCERT Solutions for Class 9 Science Chapter 12 Improvement in Food Resources

Improvement in Food Resources
Medium
Q.
Explain any one method of crop production which ensure high yield.
Improvement in Food Resources
Easy
Q.
Why are manure and fertilisers used in fields?
Improvement in Food Resources
Medium
Q.
What are the advantages of intercropping and crop rotation?
Improvement in Food Resources
Difficult
Q.
What is genetic manipulation? How is it useful in agricultural practices?
Improvement in Food Resources
Medium
Q.
How do storage grain losses occur?
Improvement in Food Resources
Medium
Q.
How do good animal husbandry practices benefit farmers?
Improvement in Food Resources
Medium
Q.
What are the benefits of cattle farming?
Improvement in Food Resources
Medium
Q.
For increasing production what is common in poultry, fisheries and bee keeping?
Improvement in Food Resources
Difficult
Q.
How do you differentiate between capture fishing, mariculture and aquaculture?

NCERT Solutions for Class 9 Science Chapter 12 Improvement in Food Resources

Q&A (From NCERT)

Q1. Explain one method to ensure high crop yield

Ans: Crop rotation helps maintain soil fertility by growing different crops in different seasons, ensuring better yield.

Q2. Why are manure and fertilisers used?

Ans: They provide essential nutrients to soil, improving fertility and plant growth.

Q3. Advantages of intercropping and crop rotation

Ans:

  • Intercropping: Prevents pests, improves soil fertility
  • Crop rotation: Reduces soil depletion and increases yield

Q4. What is genetic manipulation?

Ans: It is introducing genes into plants to improve yield, quality, and disease resistance.

Q5. How do storage losses occur?

Ans: Due to abiotic factors (moisture, temperature) and biotic factors (insects, fungi, rodents).

Q6. Benefits of good animal husbandry

Ans:

  • Improves animal health
  • Increases production of milk, eggs, meat
  • Produces better breeds

Q7. Benefits of cattle farming

Ans:

  • Increased milk production
  • Better breed quality

Q8. Common practices in poultry, fisheries, and bee keeping

Ans:

  • Clean environment
  • Proper nutrition
  • Disease protection

Q9. Difference between capture fishing, mariculture, and aquaculture

Ans:

  • Capture fishing: Fish caught from natural water
  • Mariculture: Marine fish farming
  • Aquaculture: Farming of aquatic organisms

FAQs – Class 9 Science Chapter 12 Improvement in Food Resources

Q1. What is agriculture?
Agriculture is the practice of growing crops and raising animals for food.

Q2. What is crop rotation?
Growing different crops in sequence to maintain soil fertility.

Q3. What is animal husbandry?
It is the rearing and management of animals for food and products.

Q4. Why is food production important?
It ensures food security and supports population needs.

Q5. Why is this chapter important for exams?
This chapter includes application-based and concept-based questions related to agriculture and food production.