So, it is called drip system. D. river irrigation system Answer: Chapter 5 – Coal And Petroleum. Answer: Answer: Question 30 Answer: Lakhmir Singh Solutions For Class 8 Science Chapter 6 Combustion And Flame Very Short Answer Type Questions 1. Answer: Answer: C minerals Question 65. C. paddy (c) For growing a crop, sufficient sunlight, ………., and …………. Answer: Question 39. Name of the Author – Lakhmir Singh Manjit Kaur. Loosening and turning the soil is very important for cultivation of crops. 16 Reviews. C. threshing Here you get easy solutions of Lakhmir Singh and Manjit Kaur Science solution Chapter 11 . Answer: Name the various agricultural practices in the right sequence in which they are undertaken by the farmers. By using a khurpa – In this method, weeds can be removed by using a implement called khurpa. The sounds X and Y cannot be heard by a man having normal range of hearing but sound Z can be heard easily. Question 59. Ltd. (An ISO 9001 : 2008 Company) 7361, … C. transplanting What is ‘animal husbandry’? It includes an overview of different crops, their climatic and nutritional necessities and the preparation of soil for the complete development of the crops. lakhmir singh science class 8 text book consist of 18 chapters and each chapter is explained in very easy and simple language to have better understanding. The Lakhmir Singh Class 8 Science Solutions chapter-wise is given below. Question 64. Question 61 B. Question 31 B. Answer: Text Book – SCIENCE. The frequency of irrigation of crops is higher in summer season due to the increased rate of evaporation of water from the soil and the leaves. Chapter 6 – Combustion And Flame. Class – 6 (Six). The preparation of soil is the first step before growing a crop. Some crops like paddy and many vegetables like tomatoes and chillies, the seeds are not directly sown in the field’s soil. Answer: Name any two fertilizers. Name the tool (or implement) used in the traditional harvesting of crops. Chapter 2 – Micro-Organisms: Friends And Foe. The other agricultural practices which are done by sickle are: preparing hay and also cutting some crops. A and B Answer: Reproduction is an important life process which ensures that a plant or animal species does not disappear from this earth. Farmers adopt many ways to remove weeds and control their growth. Question 29 Question 13. Proper watering of crop at right time is called irrigation. If seeds are placed too close, then plants formed form them will be also too close and will not get enough sunlight, water and nutrients to grow. Question 32. C. maize Which of the following is not grown by transplantation? B. carbohydrates What is the process of ‘transplantation’ in agriculture? Name the implement used in sowing. Weed compete with the crop plants for water, nutrients, space and light. The fresh crop has more moisture. This one is: Lakhmir Singh’s Science for Class 8 7. D. halogen Lakhmir Singh Class 8 Science Chapter 12 Friction Solutions. (b) Urea and super Phosphate B and C B. humus What are the two ways in which farmers store food grains ? The process of loosening and turning the soil is called ploughing or tilling. Weedicides are special chemicals which are used to control weeds. A. chillies Why Lakhmir Singh and Manjit Kaur Solutions for Class 9 Chemistry CBSE, 3 Atoms and Molecules. D. drip system To apply force, minimum two objects need to be involved: one which exerts force and the other that experiences the force. A. eggs Name the machine which does the cutting of standing crops and recovers the grain too. Answer: Answer: It is very rich in plant nutrients like nitrogen, phosphorus, potassium. The rainy season in India is generally from June to September. Question 47. Chapter 2 – Micro-Organisms: Friends And Foe. Modern methods of irrigation are sprinkler and drip system. What name is given to that branch of agriculture which deals with feeding, shelter, health and breeding of domestic animals? B and C Question 28. Answer: (a) The same kind of plants grown and cultivated on a large scale at a place is called …………………. The undesirable plants which grow along with a cultivated crop are called weeds. Question 67 A. The practice of transplantation is used in the cultivation of paddy crop and many vegetables like tomatoes and chillies. Answer: Ignition temperature is the lowest temperature at which a substance catches fire. The various practices necessary for raising animals for food and Other purposes are: Question 66 A. Harvesting: The cutting and gathering of mature food crop like wheat or paddy is known as harvesting. Answer: Lakhmir Singh s Science for Class 8. Arrange the following practices in the correct order as they appear in the sugarcane crop production: A. beating When water flows through these pipes, water falls drop by drop just at the position of the roots. 2. This is important when you’re dealing with plants at a large scale, and you need to maintain crops for a large​ time frame. Answer: Question 24. Sandy soil is highly porous having highly permeability. C. A and D Answer: Answer: (iv) c. Question 93. Answer: Text Book – SCIENCE. Why do farmers carry out levelling of the ploughed fields? Answer: Which agricultural practice comes first: harvesting or weeding? The government agency like food corporation of India (FCI) buy food grains from farmers and storing them properly so that they can be supplied throughout the country. The text book of Lakhmir Singh And Manjit Kaur for Class 10 Physics gives the students a detailed picture about each and every chapter.This is the best book for your class 10 science preparation. Question 31 A. Each chapter of Lakhmir Singh book has around 80 to 100 practice questions. Fish is good for health. Irrigation is necessary for the absorption of nutrients by plants from the soil. Rabi crops – The crops grown in winter season are called rabi crops. Answer: Lakhmir Singh Science Solutions Class 8 Chapter 1 Crop Production And Management: View Pdf. C. meat as well as eggs (a) for uneven land? Traditional methods of irrigation are chain pump and dhekli. How do weeds affect the growth of crops? It is the best technique for watering fruit plants, gardens and trees. Lakhmir Singh and Manjit Kaur Science solution: “Crop Production And Management” Chapter 1. C. peas Here we give Chapter 1 all solution of Class 8. Column B Question 1. The loosened soil helps in the growth of earthworms and microbes present in the soil. Some crops like paddy crop (rice crop) need more water whereas other crops like wheat, gram require less water. the process of removing unwanted plants from a crop field is called? What is weeding? In agriculture, broadcasting is used for: Name one implement used for weeding. Question 8. Name two crops which are cultivated: Breeding Question 50. Answer: Along with water, minerals and fertilizers are also absorbed. State two advantages of the drip system of irrigation. The food materials that we obtain from animals are milk, meat and eggs. Answer: Text Book – SCIENCE. What are the various methods of sowing the seeds? It includes an overview of different crops, their climatic and nutritional necessities and the preparation of soil for the complete development of the crops. Chapter 1: Crop Production And Management Which of the following are kharif crops and which are rabi crops ? If continuous plantation of crops is done in the fields then the soil will become poor in necessary nutrients like nitrogen, phosphorus, potassium, etc. Answer: B. Chapter 1 Crop Production and Management Which is the first step in the cultivation of a crop? It is the best technique for watering fruit plants, gardens and trees. A. fats Lakhmir Singh s Science for Class 8. A. soyabean Good quality seeds basically mean the most competent seeds, which will definitely give rise to a healthy plant, which would bear more healthy seeds. Answer: (iii) Chemical fertilizers Agricultural practice weeding comes first. Some crops like need more water whereas other crops require less water. (i) coastal. The soil is prepared for sowing the seeds of crop by ploughing, levelling and manuring. Answer: Food grains are stored on a large scale in silos and granaries (gunny bags). (g) The unwanted plants present in a crop field are called…………… Lakhmir Singh and Manjit Kaur class 8 science textbook solutions hold a high regard among students of CBSE Class 8 students. A. chain pump system Read the in-depth theory of class 8 form class 8 notes. Answer: Question 35. Best wheat seeds would be ones who’s color, shape and size are normal (not brownish, oddly shaped, tiny or bloated). 1) Sound is produced by vibrating objects. Name two domestic animals which are used to obtained milk. Find below pdf of Lakhmir Singh Science Class 8 Solutions For Chapter 1 – Crop Production And Management. It gets loss due to ploughing because of which it can easily washed away by rain or blown away by wind. State its functions. Rotation of crops (leguminous and non-leguminous crops) in the same field replenishes the soil with nitrogen naturally and increases the soil fertility. The removal of weeds is called weeding. This page is prepared by academic team of entrancei for chapter-2 - Microorganisms : Friend and Foe.Get MCQ based objective questions and HOT Questions with solution for chapter-2 - Microorganisms : Friend and Foe.Extra Questions for 2 - Microorganisms : Friend and Foe are with detail solutions. Seeds should be sown at right spacings. The government agency like food corporation of India (FCI) buy food grains from farmers and storing them properly. Leguminous crops like pulses, beans, peas are generally grown between two cereals crops in crop rotation to restore the fertility of soil. (iv) Organic manure (h) neem Chapter 4 – Materials: Metals And Non-Metals. Thus, the seeds should be sown at right spacing to proper growth. Lakhmir Singh and Manjit Kaur Science solution: Combustion And Flame Chapter 6. Chapter 6 – Combustion And Flame. Water is not wasted at all. Board – CBSE. The food obtained from animals is very rich in proteins. D. linseed B. translocation This page is prepared by academic team of entrancei for chapter-15 - Some Natural Phenomena.Get MCQ based objective questions and HOT Questions with solution for chapter-15 - Some Natural Phenomena.Extra Questions for 15 - Some Natural Phenomena are with detail solutions. Chapter – 11. Solution: Alpha Centauri is the … Do solve NCERT exercise with the help of NCERT solution for class 8 Science prepared by Entrancei. Weeds compete with the help of a substance dry the harvested food grains from the harvested food grains by... Vegetables like tomatoes and chillies mature food crop like wheat or paddy is as. When heated in the air is called irrigation or animal species will not disappear from this earth catches fire,!, tomatoes and chillies are grown by transplantation dams and canals for raising animals for food other! ) Chapter 1 deals with feeding, shelter, health and breeding of domestic?... 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