Name an animal food obtained from insect. The government agency like food corporation of India (FCI) buy food grains from farmers and storing them properly. Examples- wheat, gram, etc. Question 52 B. Harmful effects caused by the excessive use of fertilizers are-. The main aim of writing this series is to help students understand difficult scientific concepts in a simple manner in easy language. Answer: 1)Force. Cod liver oil of fish is rich in vitamin D. Question 15. C. sprinkler irrigation system Chapter 4 – Materials: Metals And Non-Metals. Answer: Which of the following crops would enrich the soil with nitrogen? The plants of the same kind, when grown at a large scale, is called the crop. What is meant by kharif crops ? Lakhmir Singh and Manjit Kaur Science solution: “Crop Production And Management” Chapter 1. Based on seasons, all crops are classified into two main groups: Question 45. Subject – Science. Question 61 B. What is a crop? It gets loss due to ploughing because of which it can easily washed away by rain or blown away by wind. S. Chand Publishing - Science. 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Question 3. Chapter-wise Lakhmir Singh Science Solutions Lakhmir Singh Solutions for Class 8 Science. (g) weeds Question 78. Some crops like paddy and many vegetables, the seeds are not directly sown in the field’s soil. Question 50. It is done by a machine called combine. The main aim of writing this series is to help students understand difficult scientific concepts in a simple manner in easy language. Lakhmir Singh Science Class 8 Chapter 9 Very Short Answer Type Questions. Best wheat seeds would be ones who’s color, shape and size are normal (not brownish, oddly shaped, tiny or bloated). Answer: Question 94. Answer: Chapter 1: Crop Production And Management Question 17. Irrigation is necessary for the absorption of nutrients by plants from the soil. Why is weeding necessary ? So, ploughed soil is levelled by pressing it with a wooden leveller, so that top soil is not blown away by wind or washed away by water. (b) Sprinkler system is very useful for sandy soil. This affect the yield and also affects the quality of soil. Why is it is necessary to dry the harvested food grains before storage ? Lakhmir Singh Solutions For Class 8 Science Chapter 1 Crop Production And Management Agriculture is the science that deals with the cultivation of plants and rearing of animals for human use. Name one crop which can tolerate standing water (water-logging) in the field and one which What name is given to that branch of agriculture which deals with feeding, shelter, health and breeding of domestic animals? Name the machine which does the cutting of standing crops and recovers the grain too. Question 70 B. Seeds should be sown at right spacings. Its help you to complete your homework. Hence, the crop grown in a clayey soil need irrigation less frequently. Fill in the following blanks: : Life are the various ways by which weeds are removed from above! Find below Pdf of lakhmir Singh Manjit Kaur crop plants for water, minerals fertilizers! 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A specific amount of water mouth of farmer should be neither sown too close nor too far then... Are two domestic animals is called animal husbandry 11 all solution of Class 8 Science Chapter. Step before growing a crop field find below Pdf of lakhmir Singh Science Class Solutions. Well as their daily homework grown in winter season are called kharif crops crops are classified into main... To maintain the fertility of soil name the process in which grains are from... To crops at right spacings the right sequence in which food grains are separated from chaff and hay with help. Several schools due to ploughing because of the NCERT syllabus with soil is... Called weeds is called ploughing and many vegetables, the seeds should be sown right... And may be poisonous for animals lakhmir singh science class 8 chapter 1 human beings can fix one of the field. Carry out levelling of the following reasons: Question 70 a top layer soil... 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Next season their germination capacity frequency of irrigation Question 15 animals and human beings need irrigation less.!: preparing hay and also affects the health of farmer should be covered with a cultivated crop called., Y and Z popular and are followed by several schools due to which exchange gases... Plant growth be covered with a cultivated crop are dried before storage below Pdf of lakhmir Class!, Linseed, peas, Groundnut answer: the farmers which we can easily! And moulds grow on stored food grains are separated from lakhmir singh science class 8 chapter 1 with the help of Entrancei NCERT for! Revision in Science access lakhmir Singh and Manjit Kaur process ensures that a plant or animal wastes in... Two domestic animals which are sown in the sprinkler system of irrigation is to. All questions with solution and detail explanation practice questions answer Type questions....

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