Aakash Repeater Courses
ApplyTake Aakash iACST and get instant scholarship on coaching programs.
Ever thought about how the food you eat is grown, protected, and improved? The NCERT Class 9 Science Chapter 12 Notes Improvement in Food Resources explain this in the simplest way possible. These notes cover everything from crop production to animal husbandry, in short points with clear language so you can study without stress. Diagrams and examples are added in the NCERT notes so you can connect the topics to real-life farming and food systems.
These NCERT Notes for Class 9 Science go through types of crops, methods to improve yield, fertilisers vs manures, and protection from pests — all one step at a time. Notes are arranged properly so you don’t feel lost while revising. Some quick revision tips and exam-focused lines are also included. It follows the NCERT book pattern fully so you won’t miss anything important. Going through these NCERT Notes for Class 9 will help you understand the science behind food production in a much better way.
Also, students can refer to:
Studying from a PDF makes revision easier and more flexible, as students can access their notes anytime without needing the internet. It helps them stay organised and saves time during last-minute prep. They can read on any device, highlight key points, and quickly go over chapters whenever needed. That’s why many students prefer having their Class 9 Chapter 12 notes in a downloadable PDF format for quick and smart revision.
This chapter explains how we can grow more food and make it better in quality. It talks about different methods like improving crops, using fertilisers and manures, managing animals for food, and protecting them from diseases. It also includes farming practices, irrigation techniques, and the role of science in agriculture. These concepts help students understand how food production can be increased sustainably. For revision, you can use the Improvement in Food Resources Class 9 NCERT Solutions.
Food production is facilitated by agriculture. To address the growing demand for food, several agricultural practices have been brought forth, such as:
Various crop types are grown to satisfy different nutritional needs:
Crop production can be improved through:
Crop Variety Improvement
Improved crop varieties can increase productivity, pest resistance, and environmental adaptability. Such varieties are achieved through:
Goals of Crop Variety Improvement:
Production methods employed by farmers vary with their financial status. On a cost basis, the best practices for crop production can be divided into:
Plants receive their nutrients from soil, air, and water. There are 16 essential nutrients required for plant growth, out of which 13 are absorbed as mineral ions from the soil.
To improve the fertility of soil, nutrients are provided in the form of:
Manure types:
Fertilizers
Water supply is essential for plants. The following irrigation systems are employed:
Weeds, pests, and diseases impact agricultural productivity. Protection measures include:
Precautions include:
Animal husbandry constitutes cattle farming, poultry farming, fish production, and beekeeping to supply the demand for milk, eggs, and meat.
Honey bees yield honey and wax, which have commercial and medicinal uses. Apiculture is the rearing of honey bees for various uses. Pasturage (availability of flowers) decides the quality and flavour of honey.
Common bee species:
Improving food resources through advanced agricultural techniques, efficient nutrient management, and sustainable animal husbandry practices is essential for meeting the growing demand for food. The adoption of modern scientific techniques and eco-friendly farming methods ensures food security while maintaining ecological balance.
Also, Read
Given below are some of the previous years' questions from this chapter. These questions show the exam pattern clearly. They also help students check how well they are prepared.
Question 1: The scinetific name for cow is:
Option 1. Bos indicus
Option 2. Gallus gallus domesticus
Option 3. Bos bubalis
Option 4. None of the above
Answer:
The scientific name for the Indian cow is Bos indicus. It is a species of domestic cattle known for its hump, loose skin, and resistance to high temperatures and tropical diseases. This distinguishes it from Bos taurus, the European breed. The other options are incorrect: Gallus gallus domesticus is the domestic chicken, and Bos bubalis is the scientific name for the water buffalo.
Hence, the correct answer is option (1), Bos indicus
Question 2: Which of the following is the freshwater fish?
Option 1. Bombay duck
Option 2. Mackerel
Option 3. Rohu
Option 4. Tuna
Answer:
Among the given options, Rohu is a freshwater fish commonly found in rivers and ponds across India. It is widely used in aquaculture due to its fast growth and high nutritional value. In contrast, Bombay duck, Mackerel, and Tuna are all marine fishes found in saltwater environments. So, if you're looking for a fish that thrives in fresh water, Rohu is the right choice.
Hence, the correct answer is option (3). Rohu.
Question 3: Which of the following is an Indian breed of cattle?
Option 1. Jersey
Option 2. Sahiwal
Option 3. Brown Swiss
Option 4. Red Dane
Answer:
Sahiwal is an Indian breed of cattle known for its high milk yield and resistance to heat and diseases. It originated in the regions of Punjab and is one of the best dairy breeds in India. On the other hand, Jersey, Brown Swiss, and Red Dane are all exotic breeds developed in foreign countries for commercial dairy farming.
Hence, the correct answer is option 2. Sahiwal.
Subject-Wise NCERT Exemplar Solutions
Below are the links to detailed notes for each chapter, designed to help you quickly revise and understand key concepts.
Improvement in Food Resources Class 9 Notes explain how we can grow more food in better ways to meet the needs of a growing population. These notes cover topics like crop improvement, crop protection, proper use of fertilizers and manures, irrigation methods, and animal husbandry. The goal is to increase both the quality and quantity of food through better farming practices and scientific methods. These notes help students revise quickly and prepare well for exams.
Green Revolution in Class 9 refers to the major increase in food grain production (especially wheat and rice) that happened in India during the 1960s and 1970s due to the use of modern farming techniques. This included high-yielding variety (HYV) seeds, better irrigation, chemical fertilizers, and pesticides. It helped India become self-sufficient in food production. The Green Revolution is an important part of the chapter Improvement in Food Resources in Class 9 Science.
Manure is a natural substance made from the decomposition of plant and animal waste. In Class 9 Science, it is described as an organic fertilizer that improves soil fertility and texture. Manure adds nutrients like nitrogen, phosphorus, and potassium to the soil and increases its water-holding capacity. It is eco-friendly, though not as rich in nutrients as chemical fertilizers. Using manure is a key method in sustainable agriculture and is covered under Improvement in Food Resources.
Hybridization in Class 9 refers to the process of crossing two different types of plants or animals to produce a new variety with better traits. This is done to improve characteristics like yield, disease resistance, quality, and adaptability. For example, crossing a high-yield crop with one that resists pests can give a new variety with both qualities. Hybridization is an important part of crop improvement and is studied under the chapter Improvement in Food Resources.
Agriculture in Class 9 is defined as the practice of growing crops and raising animals to produce food, fibre, and other useful products. It includes activities like ploughing, sowing, irrigation, adding manure or fertilizers, weeding, and harvesting. Agriculture is the main source of livelihood in India and forms the base of our food system. In the chapter Improvement in Food Resources, agriculture is studied to understand how modern methods can improve productivity and sustainability.
Take Aakash iACST and get instant scholarship on coaching programs.
This ebook serves as a valuable study guide for NEET 2025 exam.
This e-book offers NEET PYQ and serves as an indispensable NEET study material.
As per latest syllabus. Physics formulas, equations, & laws of class 11 & 12th chapters
As per latest syllabus. Chemistry formulas, equations, & laws of class 11 & 12th chapters
As per latest 2024 syllabus. Study 40% syllabus and score upto 100% marks in JEE