This is a comprehensive study package for class 9 science lessons, chapter wise notes, Explanation, Question and Answer and back exercise of Class 9 Science … Question 17. Cattle farming is one of the methods of animal husbandry that is most beneficial for farmers. Vegetables and fruits provide vitamins and minerals. What are the practices used for dairy industry? Mixed fertilizer provides any two mixture of nutrients. Why should preventive measures and biological control methods be preferred for protecting crops? (c) Indian bee (d) None of these, 6. (iii) Rearing of animals: Providing them proper health care and protection from pathogens, diseases and proper vaccination. (c) State the values of gardening club students. Question 20. Answer: Fertilizers are obtained artificially on commercial basis. Manure and fertilizers supply nutrients to the soil and increases the fertility of the soil and thus increases the production. The resources are- wells, canals, rivers and tanks. This method reduces the need of fertilizers, thereby increasing the overall yield of crops. Answer: Plants get nutrients from air, water and soil. Here you will find Chapter Wise NCERT MCQ Questions for Class 10 Science with Answers PDF Free Download based on the important concepts and topics given in the textbook. Answer: NCERT Textbook for Class 9 Science – Page 204 Regular cleaning of farms is of utmost importance. As a result, the food available in all the parts of the pond is used. (c) Eco Club students reflect the value of group work, responsible citizens. (c) What values of Eco Club students are reflected in this act? NCERT Solutions Class 9 Science Chapter 10 Gravitation answers of intext questions given on Page 134 or Page 136 or Page 138 or Page 141 or Page 142 or Exercises in English Medium updated for new academic session 2020-21. Answer: Due to short duration of crop growth, farmers can grow more crops in a year, and reduce the cost of drop production. Answer: In this, (c) Farmers use quality seeds, adopt irrigation, use fertilizer and use crop protection measures. In this post, you will get lessons as per the syllabus for CBSE class 9 Science. They provide a lot of organic matter (humus) to the soil and thus restores water retention capacity of sandy soils and drainage in clayey soil. If you are a student of class 9 who is using NCERT Textbook to study Science, then you must come across Chapter 15 Improvement in Food Resources. The manures enrich the soil with nutrients. Name the sources and the nutrients supplied by them to the plants. Question 12. How do biotic and abiotic factors affect crop production? फसल सुधार के लिए ऐच्छिक सस्य विज्ञान गुण क्या हैं? It helps in the soil enrichment with nutrients. (a) crop rotation (b) inter-cropping Answer: Question 2. This solution contains questions, answers, images, step by step explanations of the complete Chapter 15 titled Improvement in Food Resources of Science taught in class 9. Give them a try and see how high you score. Question 17. Answer: The useful characters that are required in a crop during its improvement: अनाज, दाल, फल तथा सब्जियों से हमें क्या प्राप्त होता है? NCERT solutions for Class 9 Science Chapter 11 Work and Energy helps you lay a good foundation for your exam preparation. NCERT Solutions for Class 9 Science Chapter 15 Improvement in Food Resources in PDF form free to download for academic session 2020-21. Answer: MCQ Questions for Class 9 Science with Answers were prepared based on the latest exam pattern. The ventilators if any should be closed tightly, to avoid birds visiting the storage house and destroying the grains. Copyright 2021 by Tiwari Academy – A step towards Free Education. Answer: Answer. Here you can get complete NCERT Solutions for Class 9 Science Chapter 15 Improvement in Food Resources in one place. Answer: The factors responsible for loss of grains during storage are: Question 6. Increasing the yield of foodstuffs such as milk, eggs and meat. Class 9 Science NCERT Textbook – Page 213 Answer: The practices required for raising daily animals to get the optimum yield are: NCERT Solutions Apps 2020-21 based on Updated NCERT Book Solutions 2020-2021 for class 9 all subjects are also available. NCERT solutions for Class 9 Chapter 15 Improvement in Food Resources is presented here to aid the students in their CBSE Class 9 exam preparation and to help them understand the basic concepts in the chapter thoroughly. Download Class 9 Science Multiple Choice Questions PDF Enhance your subject knowledge taking the help of MCQs of Class 9 Science and practice them on a regular basis. In clayey soils it helps in the water drainage and prevent water logging. (ii) They start laying egg after 20 weeks. (adsbygoogle = window.adsbygoogle || []).push({}); CBSE NCERT Solutions for Class 9 Science Chapter 15 Improvement in Food Resources Intext Question answers and chapter end exercises question answers are given below in PDF form as well as to study online. Mullets, bhetki, pearl spots, prawns, mussels are the example of What are fertilizers? State the difference between egg-layers and broiler. Answer: Insect pests attack the plants in three ways: This way they affect the health of the crop and reduces yield. Question 1: What are the differences between broilers and layers and in their management?  State the meaning of capture fishing and culture fishing. PDF download of these motion class 9 numericals is also available. He started educating the farmers in his town to minimize or stop the use of chemicals in farming and adopt the organic farming. Manure helps in enriching the soil with organic matter and nutrients. (a)pisciculture (b) apiculture A. dorsata – rock bee (local varieties) The availability of moisture and irrigation facility decides the choice of crop to be cultivated after one harvest. Answer: Keeping bee for obtaining honey commercially is called apiculture. Good breed of draught animals can be obtained. Protein for body building — Pulses like gram, lentil The first part of the syllabus consists of chapter 1: matters in our surroundings, chapter 2: Is matter around us pure, chapter 3: atoms and molecules, chapter 4: structure of the atoms, chapter 5: the fundamental unit of life, chapter 6: tissues and chapter 7: diversity in living organisms. Example, Wheat + grain, wheat + mustard or groundnut + sunflower. Why? For increasing production, what is common in poultry, fisheries and bee-keeping? (c) pisciculture (d) poultry. Science Important Questions Class 9 are given below chapter wise. In addition to adequate quantities of pasturage, the kind of flowers available will determine the taste of the honey. Practice these questions to … Fodder crops — For livestocks. Question.1. 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How do storage grain losses occur? 1. Check the below NCERT MCQ Questions for Class 9 Science Chapter 3 Atoms and Molecules with Answers Pdf free download. What are macro-nutrients and why are they called macro-nutrients? NCERT Solutions for Class 6, 7, 8, 9, 10, 11 and 12. Question 1. It is the method of growing two or more varieties of crops on the same land in sequential seasons. The bees should have capacity of breeding well.  How do you differentiate between capture fishing, mariculture, and aquaculture? What is pasturage and how is it related to honey production? (b) Farmers use ordinary seeds, adopt irrigation and use fertilizer. Answer: The different types of fisheries are marine fisheries, inland fisheries, capture fishing, mariculture and aquaculture.  Nitrogen, phosphorus, potassium are examples of How can this be avoided? Varieties like prawns, oysters, bhetki and mullets are cultured for fishing. (a) Weedicides: These are the chemicals sprayed on the weeds to kill them. Therefore, crops having different nutrient requirements are rotated. (b) Mechanical removal: In this method weeds are uprooted by removing manually or by machines. Question 3. The process refers to the transfer of genes from one organism to another, e.g.  Apis cerana indica is commonly known as These species are selected so that they do not compete for food among them and are having different types of food habits. (a) It leads to soil and water pollution. Catla and Rohu are examples of NCERT Solutions Class 9 Science Chapter 15 Improvement in Food Resources – Here are all the NCERT solutions for Class 9 Science Chapter 15. Discuss the implications of the following statement: (b) Organic farming: It is a farming system with minimal or no use of chemicals as fertilizers, herbicides, pesticides etc. Name different types of crop production practices involved in India. What is pasturage and how is it related to honey production? Class 9 Science NCERT Textbook – Page 209 Fumigation of produce using chemicals that kills pest. What are the differences between broilers and layers and in their management? A man is carrying the heavy luggage from one platform to the other of a Railway station but still according to the logics of science his work done is said to be zero. What is apiculture? ऐच्छिक सस्य विज्ञान गुण: चारे वाली फसलों के लिए लंबी तथा सघन शाखाएँ ऐच्छिक गुण हैं। अनाज के लिए बौने पौधे उपयुक्त हैं ताकि इन फसलों को उगाने के लिए कम पोषकों की आवश्यकता हो। इस प्रकार सस्य विज्ञान वाली किस्में अधिक उत्पादन प्राप्त करने में सहायक होती हैं।. Two waste material that cannot be used as compost are polythene bags and plastic items. Pulses give proteins which build our body. They overcome the nutritional deficiency of the soil. Both crops can be easily harvested and processed separately. Answer: Effects of using manures on soil quality: Effects of using fertilizers on soil quality: NCERT Textbook for Class 9 Science – Page 208
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