Do follow NCERT text Book solve questions given in NCERT text book with the help of Entrancei NCERT solutions for class 8. Answer: This is important when you’re dealing with plants at a large scale, and you need to maintain crops for a large​ time frame. C minerals Answer: Harvesting: The cutting and gathering of mature food crop like wheat or paddy is known as harvesting. Name any two implements used for tilling the fields. Each crop needs a specific amount of water during its various stages of its growth. Examples- wheat, gram, etc. The cutting and gathering of mature food crop like wheat or paddy is known as harvesting. The irrigation requirements depend on the nature of crop. C. threshing C. sprinkler irrigation system Answer: Advantages of transplantation in growing crops: Question 70 A. Lakhmir Singh and Manjit Kaur Solutions for Class 8 Science Chapter 11 – Force and Pressure will help you learn the concepts like force, its effect on motion and objects. C. peas Class – 6 (Six). State its functions. Here you get easy solutions of Lakhmir Singh and Manjit Kaur Science solution Chapter 1 . Answer: Sickle: A sickle is a hand-held agricultural tool used for harvesting, or reaping crops (as shown below) Question 61 B. All the solutions of Atoms and Molecules - Chemistry explained in detail by experts to help students prepare for their CBSE exams. S Chand Science Class 8 Solutions Chapter 6 Combustion and Flame Lakhmir Singh Science Class 8 Chapter 6 Very Short Answer Type Questions Question 1. Question 28. Farmers in Northern India grow legumes as fodder in one season and wheat in the next season. When plants of the same kind are grown and cultivated at one place on a large scale, it is called a crop. Question 91. (B) Tomatoes Combine separates the grains from chaff. Rotation of crops (leguminous and non-leguminous crops) in the same field replenishes the soil with nitrogen naturally and increases the soil fertility. Chapter 2 – Micro-Organisms: Friends And Foe. Class – 8. Question 8. A. CBI Do solve NCERT exercise with the help of NCERT solution for class 8 Science prepared by Entrancei. A and B Question 66 B. Ignition temperature is different for different substances. (C) Vitamin C Board – CBSE. Lakhmir Singh Science Solutions Class 8 Chapter 2 Micro-Organisms Friends And Foe: View Pdf. Its help you to complete your homework. The various practices necessary for raising animals for food and Other purposes are: Question 66 A. Example- paddy, maize. C. wheat Some crops like paddy and many vegetables, the seeds are not directly sown in the field’s soil. B. carbohydrates Question 35. Which agricultural practice is missing from the above list? Answer: Weedicides affects the health of farmer. (A) Peas Harvesting in our country is either done manually by sickle or by a machine called harvester. They should be neither sown too close nor too far apart. It is the best technique for watering fruit plants, gardens and trees. Board – CBSE (Central Board). S. Chand Publishing - Science. By using a khurpa – In this method, weeds can be removed by using a implement called khurpa. The seeds should not be sown in highly wet soil. C. peas A. beating Do follow NCERT text Book solve questions given in NCERT text book with the help of Entrancei NCERT solutions. Define manure. D. river irrigation system If wheat is sown in the kharif season, it will not grow well as plants cannot tolerate too much water of the rainy season. Answer: Question 2. The levelling of ploughed soil is done by using an implement called leveller. How does use of fertilizers help the farmers ? Examples- Wheat and Maize. Answer: Answer: The Rhizobium bacteria present in the root nodules of pea plants can fix one of the following from the atmosphere. Question 63. What are the various practices necessary for raising animals for food and Other purposes. Arrange the following practices in the correct order as they appear in the sugarcane crop production: Thus, they affect the growth of crops. Answer: 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. Question 10. Question 1. Name one major food nutrient provided by fish. Question 67 B. Subject – Science. Answer: The chapter mentions synthetic fibres such as Polyester, Nylon, Rayon, and Acrylic. Explain how, the irrigation requirements depend on the nature of the crop. C. FCI C. A and D A. chain pump system The two crops which are not grown by sowing their seeds directly into the soil in large fields are tomatoes and chillies. Answer: D. harvesting Answer: C. paddy The substances W is a fossil fuel. Read the in-depth theory of class 8 form class 8 notes. This page is prepared by academic team of entrancei for chapter-6 - Combustion and Flame.Get MCQ based objective questions and HOT Questions with solution for chapter-6 - Combustion and Flame.Extra Questions for 6 - Combustion and Flame are with detail solutions. Question 71. Question 40. How do weeds affect the growth of crops? How are weeds removed from the crop fields ? (i) Many people living in the ……….areas consume fish as a major part of their diet. The irrigation requirements of a crop depend on the nature of soil in which the crop is grown. Harvesting is missing from the above list. Threshing: The process of removal of the grains of harvested crop from the chaff is called threshing. B and C Answer: 1. So, weedicides should be used vary carefully. from the soil are essential. Agricultural practice weeding comes first. Answer: Fish liver oil is rich in both vitamin A and vitamin D. Lakhmir Singh & Manjit Kaur. B. pea Name the implement used in sowing. Some crops like need more water whereas other crops require less water. All the questions present in the Lakhmir Singh textbook of Class 8 Science have been answered and the PDF of the same are given in the links below. The removal of unwanted plants called weeds is called weeding. What are good quality seeds? Chapter 4 – Materials: Metals And Non-Metals. VERY SHORT ANSWER TYPE QUESTIONS answer. Example- paddy, maize. Name the two types of substances which are added two the fields by the farmers to maintain the fertility of soil. Answer: For Extra MCQ Questions go for online test for class 8. Name one crop which can tolerate standing water (water-logging) in the field and one which cannot. Some weeds interfere even in harvesting and may be poisonous for animals and human beings. What is ploughing (or tilling)? Name the process in which grains are separated from chaff and hay with the help of wind. Lakhmir Singh s Science is a series of books which conforms to the NCERT syllabus. Question 18. The farmers store food grains in jute bags and metal bins at home. Lakhmir Singh Class 8 Science Chapter 1 Crop Production and Management Solutions give students an advantage with practical questions. The process of beating out grains from the harvested wheat crop is called threshing. Seed drill sows the seeds uniformly at proper distance and correct depths. Class – 8. Lakhmir Singh Class 8 Science Solutions Chapter 3 – Synthetic Fibers and Plastics. State the function of Food Corporation of India. Question 23. How do the irrigation requirements of a wheat crop differ from that of a paddy crop ? What precaution should be taken while spraying weedicides ? The removal of weeds is called weeding. Name the vitamin/vitamins present in cod liver oil. B. Answer: Solution: Carbon dioxide is the gas which is mainly responsible for causing global warming. Answer: In the sprinkler system of irrigation, a main pipeline is laid in the field. This system is more useful on the uneven land where sufficient water is not available. You are given a sample of wheat seeds. Why is irrigation necessary? Lakhmir Singh Manjit Kaur Class 6 CBSE Science Exercise Solution (1) Food: Where does it come from (2) Components of Food Part-1. C. transplanting It is a simple tool which is used for removing weeds and for loosening the soil. Answer: This page is prepared by academic team of entrancei for chapter-14 - Chemical Effects of Electric Current.Get MCQ based objective questions and HOT Questions with solution for chapter-14 - Chemical Effects of Electric Current.Extra Questions for 14 - Chemical Effects of Electric Current are with detail solutions. (i) coastal. Answer: Name any two celestial objects which we can see easily in the night sky. Question 76. Answer The lowest temperature at which a combustible substance catches fire when heated in the air is called its ignition temperature of a substance. The process of loosening and turning the soil is called ploughing. Drip system is very useful in those regions where availability of water is poor. Chapter 5 – Coal And Petroleum. Name two domestic animals which are used to obtained milk. Answer: B. gram (charm) Answer: The main aim of writing this series is to help students understand difficult scientific concepts in a simple manner in easy language. Name one crop which can tolerate standing water (water-logging) in the field and one which (b) for sandy soil? The practice of transplantation is used in the cultivation of paddy crop and many vegetables like tomatoes and chillies. Answer: Answer: (f) The supply of water to crops at different intervals is called ………….. Question 88. With hand – In this method, weeds are removed manually by uprooting or cutting them close to the ground. The nitrogen-fixing bacteria present in root nodules of leguminous plants is rhizobium bacteria. Question 1. It includes an overview of different crops, their climatic and nutritional necessities and the preparation of soil for the complete development of the crops. The process of transferring the seedlings from the nursery to the main field by hand is called transplanting or transplantation. (g) The unwanted plants present in a crop field are called…………… Which is the best time for the removal of weeds? C. seeds should be sown in dry soil Question 79. Loosening and turning the soil is very important for cultivation of crops. Nitrogen, phosphorus and potassium are chemical which can be provided to the soil by chemical substance called fertilizers whereas humus cannot. (e) Paddy and maize Answer: Name three food materials obtained from animals. Answer: Lakhmir Singh Solutions Class 8 Science: Chapter 1 – Crop Production And Management. Science for Tenth Class (Part 2) CHEMISTRY 11. Which agricultural practice is carried out with the help of a sickle? Weed compete with the crop plants for water, nutrients, space and light. The crops which are sown in the rainy season are called kharif crops. Advantages of sprinkler system of irrigation: Question 37. Question 9. B. rotating the crops B. peas Plants require nutrients for their proper growth and functioning. 2)Due to force by air and water. It allows the roots to penetrate deep into the soil so that plants are held more firmly to the soil. C. FCI Name any two fertilizers. Answer: How will you select good, healthy seeds for sowing ? C. A and D Lakhmir Singh Class 8 Science Chapter 12 Friction Solutions. Lakhmir Singh Solutions For Class 8 Science Chapter 11 Force and Pressure Force is defined as the push or pull experienced by the object because of another object. Answer: Question 30 (h) Dried…………..leaves are used for storing food grains at home. Tomatoes are cultivated by the practice called: This one is: (c) For growing a crop, sufficient sunlight, ………., and …………. The soil is prepared for sowing the seeds of crop by ploughing, levelling and manuring. What name is given to that branch of agriculture which deals with feeding, shelter, health and breeding of domestic animals? Question 86. Its help you to complete your homework. (A) Vitamin A The seeds should be sown at proper spacing. The rainy season in India is generally from June to September. B. tomatoes A. chain pump irrigation system Answer: Answer: These solutions help students in exams as well as their daily homework. 2. It gets sprinkled on the crop as if it is raining. Answer: Which is the best fire extinguisher for fires involving electrical equipment and inflammable … This affect the yield and also affects the quality of soil. (c) Animal excreta, cow-dung, and plant waste If wheat is sown in the kharif season, what would happen? D. honey Very Short Answer Type Questions. The branch of agriculture which deals with feeding, shelter, health and breeding of domestic animals is called animal husbandry. Lakhmir Singh Solutions for Class 8 Science. If continuous plantation of crops is done in the fields then the soil will become poor in necessary nutrients like nitrogen, phosphorus, potassium, etc. It is provided to the soil by natural substance called manure. Question 3. Lakhmir Singh and Manjit Kaur Science solution: “Crop Production And Management” Chapter 1. (b) The nitrogen-fixing bacteria present in root nodules of leguminous plants is rhizobium bacteria. The loosened soil helps in the growth of earthworms and microbes present in the soil. We are providing you the detailed solutions for chapter 1 Electricity for free. 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