All Courses
Get the App Signup / Login
Sign in Open App
Class 9 Exam  >  Class 9 Notes  >  Science Class 9  >  Practice Questions with Solutions: Improvement in Food Resources

Class 9 Science Chapter 12 Practice Question Answers - Improvement in Food Resources

  1. Give one example of plant source which provides protein.
  2. Give one example of animal source which provides carbohydrates proteins and fats.
  3. When are Kharif crops sown ?
  4. Name the oldest method of crop improvement.
  5. Give one example each of kharif and rabi crops.
  6. What is fertigation?
  7. What is irrigation?
  8. Define the trickle irrigation ?
  9. Name one crop which can tolerate waterlogging in the field and one which cannot.
  10. At what time is irrigation required by all crops ?
  11. Define water logging.
  12. Why we should adopt crop rotation ?
  13. State any two advantages of mixed cropping.
  14. Why are legumes desirable in crop rotation ?
  15. Define intercropping.
  16. Give one example of mixed cropping.
  17. Mention one criterion for selection of the mixed crops.
  18. Mention one advantage of intercropping.
  19. Write two common weeds found in the field. How can weeds be controlled ?
  20. Define pesticide and Herbicide.
  21. Write the two example fungicide.
  22. Write the full form of 2,4-D, MCPA.
  23. Name one seed borne disease.
  24. How do biotic and abiotic factors affect crop production ?
  25. What are the desirable agronomic characteristics for crop improvements ?
  26. What are macro-nutrients and why are they so called ?
  27. Why should preventive measures and biological control methods be preferred for protecting crops ?
  28. What factors may be responsible for losses of grains during storage ?
  29. How does the use of fertilisers improve crop production ?
  30. How do insect-pests attack the crops ?
  31. Write two advantages of using chemical fertilisers over manure.
  32. Though fertilisers increase crop production, they are to be used in limited amount. Why ?
  33. Why is chemical method of controlling pests not considered good ?
  34. What are the various ways of controlling weeds ?
  35. What are the advantages of using manures ?
  36. Why do we irrigate our crops ?
  37. Name the nutrients which plants get from air, water and soil.
  38. Why are kharif crops more susceptible to infestation than the rabi crops ?
  39. How do moisture and temperature affect the life of food materials ?
  40. Why is it necessary to increase the production of crops ?
  41. What are the basic objectives of mixed cropping ?
  42. State any two advantages of mixed cropping.
  43. Compare the use of manures and fertilisers in maintaing soil fertility.
  44. Explain any one method of crop production which ensures high yields.
  45. What are the advantages of intercropping and crop rotation ?
  46. What is genetic manipulation ? How is it useful in agricultural practices ?
  47. How do storage grain losses occur ?
  48. What are the various ways of controlling weeds ?
  49. What are the advantages of using manures ?
  50. Differentiate between fumigation and spraying.
  51. Explain how excessive use of nitrate fertilisers in agricultural fields affect human life.
  52. How does manure differ from chemical fertiliser ? Mention two advantages of using chemical fertilisers over manure ?
The document Class 9 Science Chapter 12 Practice Question Answers - Improvement in Food Resources is a part of the Class 9 Course Science Class 9.
All you need of Class 9 at this link: Class 9
87 videos|369 docs|67 tests
Join Course for Free

Top Courses for Class 9

FAQs on Class 9 Science Chapter 12 Practice Question Answers - Improvement in Food Resources

1. What are the different factors affecting food production?
Ans. There are several factors that affect food production. Some of the key factors include availability of water, quality of soil, climate conditions, availability of seeds and fertilizers, and agricultural practices adopted by farmers. These factors play a crucial role in determining the quantity and quality of food produced.
2. How can we increase food production to meet the growing population?
Ans. To increase food production and meet the growing population, various strategies can be adopted. These include implementing modern agricultural practices such as using high-yielding crop varieties, efficient irrigation techniques, proper pest and disease management, and effective use of fertilizers. Additionally, promoting sustainable farming methods, providing farmers with access to credit and technology, and improving infrastructure can also contribute to increased food production.
3. What are the advantages of organic farming?
Ans. Organic farming has several advantages. Firstly, it promotes the use of natural fertilizers and pesticides, reducing the environmental impact of chemical-based farming. It also helps in maintaining soil fertility and biodiversity. Organic farming practices also result in healthier and safer food products as they are free from chemical residues. Furthermore, organic farming supports rural livelihoods by providing employment opportunities and promotes sustainable agriculture.
4. What is the role of biotechnology in improving food resources?
Ans. Biotechnology plays a significant role in improving food resources. It involves the use of genetic engineering techniques to develop genetically modified crops with desirable traits such as resistance to pests, diseases, and environmental stress. This technology helps in increasing crop yield, improving nutritional content, and reducing post-harvest losses. Biotechnology also contributes to the development of drought-resistant and salt-tolerant crop varieties, which are crucial in combating climate change and ensuring food security.
5. How can food wastage be reduced?
Ans. Food wastage can be reduced through various measures. Firstly, raising awareness about the importance of minimizing wastage can help in changing consumer behavior. Proper storage and preservation techniques can be adopted to extend the shelf life of food. Implementing efficient supply chain management systems can reduce losses during transportation and distribution. Additionally, promoting the concept of "farm-to-fork" can help in reducing wastage by ensuring that food is consumed locally and not wasted in the process of long-distance transportation.
Related Exams
About this Document
3.8K Views
4.80/5 Rating
Nov 22, 2024 Last updated
Document Description: Practice Questions with Solutions: Improvement in Food Resources for Class 9 2024 is part of Science Class 9 preparation. The notes and questions for Practice Questions with Solutions: Improvement in Food Resources have been prepared according to the Class 9 exam syllabus. Information about Practice Questions with Solutions: Improvement in Food Resources covers topics like and Practice Questions with Solutions: Improvement in Food Resources Example, for Class 9 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Practice Questions with Solutions: Improvement in Food Resources.
Introduction of Practice Questions with Solutions: Improvement in Food Resources in English is available as part of our Science Class 9 for Class 9 & Practice Questions with Solutions: Improvement in Food Resources in Hindi for Science Class 9 course. Download more important topics related with notes, lectures and mock test series for Class 9 Exam by signing up for free. Class 9: Class 9 Science Chapter 12 Practice Question Answers - Improvement in Food Resources
Description
Full syllabus notes, lecture & questions for Class 9 Science Chapter 12 Practice Question Answers - Improvement in Food Resources - Class 9 | Plus excerises question with solution to help you revise complete syllabus for Science Class 9 | Best notes, free PDF download
Information about Practice Questions with Solutions: Improvement in Food Resources
In this doc you can find the meaning of Practice Questions with Solutions: Improvement in Food Resources defined & explained in the simplest way possible. Besides explaining types of Practice Questions with Solutions: Improvement in Food Resources theory, EduRev gives you an ample number of questions to practice Practice Questions with Solutions: Improvement in Food Resources tests, examples and also practice Class 9 tests
87 videos|369 docs|67 tests
Join Course for Free
Download as PDF
Explore Courses for Class 9 exam

Top Courses for Class 9

Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Related Searches

Objective type Questions

,

practice quizzes

,

Semester Notes

,

ppt

,

Important questions

,

Class 9 Science Chapter 12 Practice Question Answers - Improvement in Food Resources

,

video lectures

,

mock tests for examination

,

Summary

,

Exam

,

pdf

,

Free

,

Sample Paper

,

study material

,

MCQs

,

Viva Questions

,

Class 9 Science Chapter 12 Practice Question Answers - Improvement in Food Resources

,

shortcuts and tricks

,

Class 9 Science Chapter 12 Practice Question Answers - Improvement in Food Resources

,

past year papers

,

Extra Questions

,

Previous Year Questions with Solutions

;
Additional Information about Practice Questions with Solutions: Improvement in Food Resources for Class 9 Preparation

Practice Questions with Solutions: Improvement in Food Resources Free PDF Download

The Practice Questions with Solutions: Improvement in Food Resources is an invaluable resource that delves deep into the core of the Class 9 exam. These study notes are curated by experts and cover all the essential topics and concepts, making your preparation more efficient and effective. With the help of these notes, you can grasp complex subjects quickly, revise important points easily, and reinforce your understanding of key concepts. The study notes are presented in a concise and easy-to-understand manner, allowing you to optimize your learning process. Whether you're looking for best-recommended books, sample papers, study material, or toppers' notes, this PDF has got you covered. Download the Practice Questions with Solutions: Improvement in Food Resources now and kickstart your journey towards success in the Class 9 exam.

Importance of Practice Questions with Solutions: Improvement in Food Resources

The importance of Practice Questions with Solutions: Improvement in Food Resources cannot be overstated, especially for Class 9 aspirants. This document holds the key to success in the Class 9 exam. It offers a detailed understanding of the concept, providing invaluable insights into the topic. By knowing the concepts well in advance, students can plan their preparation effectively. Utilize this indispensable guide for a well-rounded preparation and achieve your desired results.

Practice Questions with Solutions: Improvement in Food Resources Notes

Practice Questions with Solutions: Improvement in Food Resources Notes offer in-depth insights into the specific topic to help you master it with ease. This comprehensive document covers all aspects related to Practice Questions with Solutions: Improvement in Food Resources. It includes detailed information about the exam syllabus, recommended books, and study materials for a well-rounded preparation. Practice papers and question papers enable you to assess your progress effectively. Additionally, the paper analysis provides valuable tips for tackling the exam strategically. Access to Toppers' notes gives you an edge in understanding complex concepts. Whether you're a beginner or aiming for advanced proficiency, Practice Questions with Solutions: Improvement in Food Resources Notes on EduRev are your ultimate resource for success.

Practice Questions with Solutions: Improvement in Food Resources Class 9

The "Practice Questions with Solutions: Improvement in Food Resources Class 9 Questions" guide is a valuable resource for all aspiring students preparing for the Class 9 exam. It focuses on providing a wide range of practice questions to help students gauge their understanding of the exam topics. These questions cover the entire syllabus, ensuring comprehensive preparation. The guide includes previous years' question papers for students to familiarize themselves with the exam's format and difficulty level. Additionally, it offers subject-specific question banks, allowing students to focus on weak areas and improve their performance.

Study Practice Questions with Solutions: Improvement in Food Resources on the App

Students of Class 9 can study Practice Questions with Solutions: Improvement in Food Resources alongwith tests & analysis from the EduRev app, which will help them while preparing for their exam. Apart from the Practice Questions with Solutions: Improvement in Food Resources, students can also utilize the EduRev App for other study materials such as previous year question papers, syllabus, important questions, etc. The EduRev App will make your learning easier as you can access it from anywhere you want. The content of Practice Questions with Solutions: Improvement in Food Resources is prepared as per the latest Class 9 syllabus.
© EduRev
Education Revolution
Follow Us
Signup to see your scores go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup