15. Improvement in Food Resources


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Description:

Prepare smarter with this collection of Class 9 Science Chapter 15 – Improvement in Food Resources most important questions.

Curated by experts and based on the latest CBSE syllabus, this PDF includes frequently asked questions for exams — one-mark, short answer, and long answer formats.


Why Choose This Book?

✅ Strictly NCERT + CBSE Pattern

✅ Covers expected exam questions from the chapter

✅ Helpful for both school assessments & final exams

✅ Questions with key concepts and points to remember

✅ Free and fast access in printable PDF format

 

What You Will learn?

✅ There are several nutrients essential for crops. Of these, some are required in large quantities and are known as macro-nutrients whereas rest of the nutrients are required in small quantities and are known as micro-nutrients.

✅ Manure and fertilizers are the main sources of nutrient supply to crops.

✅ Organic farming is a farming system with minimal or no use of chemicals as fertilizers, herbicides, pesticides etc. and with a maximum input of organic manures, recyled farm wastes, and bio-agents, with healthy cropping systems. 

✅ Mixed farming is a system of farming on a particular farm which includes crop production, raising of livestock etc. 

✅ Mixed cropping is growing of two or more crops simultaneously on the same piece of land.
✅ Growing two or more crops in definite row patterns is known as intercropping.

✅ The growing of different crops on a piece of land in pre-planned succession is called crop rotation. 

✅ Varietal improvement is required for higher yield, good quality, biotic and abiotic resistance, shortening the maturity duration, wider adaptability and desirable agronomic characteristics.

✅ Farm animals require proper care and management such as shelter, feeding, breeding and disease control. This is called animal husbandry.

✅ Poultry farming is done to raise domestic fowls. Poultry production includes egg production and broiler production for poultry meat. 

✅ To enhance poultry production, cross breeding is done between Indian and exotic breeds for variety improvement. 

✅ Fish may be obtained from marine resources as well as inland resources. 

✅ To increase production of fish, they can be cultured in marine and inland ecosystems.

✅ Marine fish capture is done by fishing nets guided by echo-sounders and satellites. 

✅ Composite fish culture system is commonly used for fish farming. • Bee-keeping is done to get honey and wax.

 

What's Inside the Book?

✅ 1 Mark Questions – Definitions, MCQs, and Fill-ups

✅ 2/3 Mark Questions – Conceptual answers (e.g., animal husbandry, crop variety improvement)

✅ 5 Mark Questions – Application-based answers with diagrams

 

Who Can Benefit from This Book?

✅ Class 9 CBSE Students

✅ Science Teachers & Tutors

✅ Parents Helping with Revision

✅ Students targeting high marks in final/term exams

 

How to Use This Book Effectively?

✅ Start with 1-mark questions for warm-up

✅ Time yourself while answering 3-mark questions

✅ Practice long answers at the end

✅ Use as a quick revision tool before exams

✅ Highlight repeated terms and revise key definitions

 

Frequently Asked Questions (FAQs)

This is based on NCERT Class 9 Science Chapter 15 and follows CBSE exam pattern.

Yes, it includes the most commonly asked and high-scoring questions.

Yes. You’ll get immediate access after checkout – no waiting, no login needed.

No. This is a question bank designed to encourage self-practice.

Absolutely. The format is PDF-ready and easy to print.



 

 

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