Fertilizers are very rich in plant nutrients like nitrogen, phosphorus and potassium. 5. The crop rotation is replenishment of soil with nutrients by avoiding the cultivation of the same crop year after year. There are Extra Questions taken from the entire chapter 1 of Class 8 Science. Answer: (a) Why does farmer follow crop rotation practice in his field? ... Plantation agriculture is a type of commercial farming where only a single crop (like tea, coffee, sugarcane, cashew, rubber, banana or cotton) is grown. (b) What will happen if a farmer does not plough his. Ploughing helps in proper mixing of manure in the soil and turning the soil over. Class 8 Geography Chapter 4 Extra Questions and Answers Agriculture Agriculture Class 8 Extra Questions and Answer Geography Chapter 4 Very Short Answers Type. Topics covered are crops, types of crops, agricultural practices and implements used for farming. Manual removal of weeds by uprooting or cutting them time to time. Crop rotation helps the soil replenishing with its nutrients. What do we call the undesirable plants which grow along with the main crop unpurposely?Answer: This is done by a machine called combine. Answer: (b) The first step before growing crops is_____of the soil. – List of Optional Disciplines Available in B.A Degree Course, NTA Invites Applications for JEE (Main) – Apr-2020 from 12th Students, Young Scientist Programme 2020 – YUVIKA 2020 at ISRO, Hammer – Feather Drop Experiment in Moon. Manure is not very rich in plant nutrients. For preparing manure, plant and animal waste is dumped in pits at open places and allowed to decompose. Crop rotation: In this method of cultivation, two or more crops are cultivated in the same field at the same time. Q1. Topics and Sub Topics in Class 8 Science Chapter 1 Crop … They should cover their nose and mouth with piece of cloth during spraying. Concepts NCERT Questions; About the Author . Humus means decayed leaves for plants, If the soil is dry it needs watering before ploughing. What is crop rotation? Question 1. Farmers store grains in jute bags or metallic bins. Why is the organic manure considered better than fertilizers? The motor pump is connected to a main pipeline which is connected to perpendicular pipes having rotating nozzles on top. Download free printable assignments worksheets of Science from CBSE NCERT KVS schools, free pdf of CBSE Class 8 Science Crop Production And Management Assignment Set A chapter wise important exam questions and answers CBSE Class 8 Science - Crop Production And Management (1)Chapter wise assignments are being given by teachers to students to make … Maths Quiz-1 – for Kids in Class 6 to Class 8, Notes – Crop Production and Management – Chapter – 1 – Science – NCERT / CBSE – Class VIII, NASA and SpaceX to launch Demo-2 Test Flight to Space, Let Us Watch Flowers Blooming and A Plant Growing, By continuing, you accept the privacy policy, Notes – Fibre to Fabric – Chapter – 3 – NCERT – CBSE – Class VII, Handout – Synthetic Fibres and Plastics – Chapter – 3 – NCERT – CBSE – Class VIII, ISI Admissions 2020 to the Degree and Diploma Programmes, and Junior Research Fellowships in Indian Statistical Institute (ISI), IISc, Bangalore – Admissions to 4 Year BS (Research) Degree Course – IISc -UG Admissions 2020, IISc Bangalore – PG Admissions 2020 – PhD, M Tech (Research), M Tech, M Des, M Mgt, Mathematical Computations – MATLAB for Beginners – MATLAB Basics – Tutorials – Volume-2, Bachelor of Arts (B.A.) NCERT Class 8 Science Chapter 1: Crop Production and Management YouTube Lecture Handouts. Name two structures for storage of grain. Feb 01,2021 - What is crop rotation? The farmers should use the chemicals (weedicides) carefully. Answer: The soil is turned and loosened. Science NCERT Grade 9, Chapter 15, Improvement in Food Resources as the name suggests, deals with concepts of various techniques of improvement carried out in different aspects of food resources. What are it advantages ? [ September 25, 2020 ] Science Quiz – 1 – for Kids in Class 6 to Class 8 Class 6 to 8 [ June 10, 2020 ] Notes – Crop Production and Management – Chapter – 1 – Science – NCERT / CBSE – Class VIII Science [ June 1, 2020 ] How is glass made Save my name, email, and website in this browser for the next time I comment. 9. Question 3. Answer: [ September 25, 2020 ] Science Quiz – 1 – for Kids in Class 6 to Class 8 Class 6 to 8 [ June 10, 2020 ] Notes – Crop Production and Management – Chapter – 1 – Science – NCERT / CBSE – Class VIII Science [ June 1, 2020 ] How is glass made Download Free solutions of NCERT science Class 9th from SaralStudy. Drawn by a pair of animals (bulls, horses or camels), One pair of bulls and a man can operate the plough, Used for removing the weeds and for loosening the soil, Has a long rod of wood or iron, and a broad bent plate of iron at another end, The ploughing is done by a tractor driven cultivator, Good quality clean and healthy seeds are selected before sowing, High yielding seeds are preferred for sowing, The seeds are put in the water and the damaged seeds float on it, It sows seeds uniformly at equal distance and depth, They supply nutrients to the plants for their healthy growth, The plants get minerals and nutrients from the soil. Answer: Students can solve NCERT Class 8 Science Crop Production and Management MCQs Pdf with Answers to know their preparation level. Answer: Fertilizers are chemical substances which are rich in a particular nutrient. Nutrients dissolved in the water are transported to all parts of the plant, Germination of seeds take place only under wet conditions, Protects the crop from both Frost and hot air currents, Maintaining the moisture of the soil health the crop growing healthily. The crops are classified as one-year rotation, two-year rotation, and three-year rotation, depending upon their duration. Students are advised to practice the NCERT MCQ Questions for Class 8 Science Chapter 1 Crop Production and Management with Answers Pdf free download is available here. Monocropping reduces soil fertility and destroys the structure of the soil. Do you know how they glow like flashing LEDs? Question 3. Students can solve these Crop Production and Management Class 8 MCQs Questions with … NCERT Textbook Answers of class 8 science. Plants of same kind cultivated at one place on a large scale. Download PDF of NCERT Exemplar Class 8 Science Solutions for Chapter 1 – Crop Production And Management A large amount of labour and capital are required. Answer: Question 6. They fix atmospheric nitrogen. Mention any six agricultural practices. Sprinkler system and Drip system. Manure is an organic substance obtained from the decomposition of the plant or animal wastes (such as cow dung). What are Golden Ratio and Fibonacci Numbers in Mathematics? Growing the same crop in the same place for many years in a row, known as monocropping, gradually depletes the soil of … The substances which are added to the soil in the form of nutrients for the healthy growth of plants are called manure and fertilizers. The rhizobium bacteria present in the nodules of roots of leguminous plants converts the atmospheric nitrogen in to the usable form and release it into the soil. A fertilizer is different from manure in the following ways: Question 2. … This NCERT Exemplar Solutions Class 8 Science provides you necessary question that can be asked in class 8 examinations and competitive examples. Weeding is necessary since weeds compete with the crop-plants for water, nutrients, space and light. Question 11. Students can solve NCERT Class 8 Science Crop Production and Management MCQs Pdf with Answers to know … Explain how fertilsers are different from manure. Dried neem leaves are used for storing food grains at home. Science MCQs for Class 8 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. Grown in the rainy season in India (June – September), Eg: Paddy, maize, soyabean, groundnut, and cotton, Grown in the winter season in India (October – March), Eg: Wheat, gram, pea, mustard and linseed. CBSE Class 8 Science Notes , Question Answers provided for NCERT Science Textbook for Class 8. All Rights Reserved. FREE Science In Everyday Life for class 8 Science, Chapter 1 - Crop Production And Management from (Science In Everyday Life). The product is processed on the farm itself or nearby factories. What name is given to the manure obtained from plant and animal waste? NCERT Solutions for Class 8 Science Crop Production and Management. Answer: Large scale storage of grains is done in silos and granaries. Weeds compete with crop plants. Free PDF Download of CBSE Science Multiple Choice Questions for Class 8 with Answers Chapter 1 Crop Production and Management. Answer: Manure is an organic substance obtained from the decomposition of plant or animal wastes but fertilsers are inorganic substance prepared in factories.Fertilsers are rich in nutrients but manure has very less nutrients. Class 8 Science Chapter 1 Important Questions from NCERT Textbook is given below with answers. Class 8 Science MCQ NCERT Solutions CBSE Chapter Wise Answers Syllabus PDF. Answer: The microorganisms present in the soil decompose these solid wastes. Crop Production and Management Class 8 Extra Questions and Answers Science Chapter 1 PDF are solved by experts and will guide students in the right direction. Name the chemical substances which are rich in a particular nutrient? Crop rotation is the practice of growing a series of different types of crops in the same area across a sequence of growing seasons.It reduces reliance on one set of nutrients, pest and weed pressure, and the probability of developing resistant pest and weeds. growing one crop in one season and another crop in next season is called crop rotation. Why is weeding (removal of weeds) necessary? Rhizobium. Here, different types of crops are explained like rabi crop and kharif crop along … It is done either by manually or by machine called harvester. Answer: It can be done by growing another crop alternately. NCERT Solutions for Class 8 Social Science Geography Chapter 4 Agriculture. 07/09/2020 NCERT Solutions for Class 8 Science Chapter 1 Crop Production and Management - Learn CBSE 4/28 Question 5. They further turn and loosen the soil and add humus to it. Due to the continuous cultivation of crops the soil becomes deficient of nutrients. What is meant by good quality seeds? Explain the term harvesting. When crops are irrigated, nutrients get dissolved in water and get transported to each part of the plants along with water. Fertilisers are very rich in plant nutrients like nitrogen, phosphorus and potassium (NPK), urea etc. The time and frequency of irrigation varies depending on the crop, soil and season. Some weeds interfere in harvesting and may be poisonous for animals and humans. Answer: Fertilisers Manures (i) A fertiliser is an inorganic salt. Students can get how to tackle different questions easily by solving the Extra Questions for Class 8 Science Question bank on a regular basis. Harvesting is cutting the crop after they are matured. So the grains are properly dried in the sun to reduce the moisture in them. 3. class 8 science chapter 1 mcq question with answer. Answer: Give one example. (ii) A fertiliser is prepared in … It helps the soil replenishing with its nitrogen. Why storage of food grains are essential? IIT Madras offers Summer Fellowship Programme 2020 for Students from Other Colleges, MATLAB for Beginners – Volume-1 – MATLAB Basics – Tutorials, Various phases of the Moon in 2020 – Video from NASA, Scholarship / Fellowship / Welfare Schemes for Indian Students – Useful Links. MCQ Questions for Class 8 Science with Answers are prepared as per the Latest Exam Pattern. They kill the weeds without damaging the crops. NCERT Solutions for Class 8 Social Science Geography for Chapter 4 Agriculture. Name some traditional methods to irrigate the field. Crop Rotation. Organic manure. This process is known as manuring. Students can get how to tackle different questions easily by solving the Extra Questions for Class 8 Science Question bank on a regular basis. 4. science quiz for class 8 ncert. Ploughing improves the water-retaining capacity of the soil. For storing large quantities of grains in big godowns, specific chemical treatments are done to protect foodgrains from pest and microorganisms. Answer: Question 9. (b) The planet … NCERT Solutions for Class 8 Social Science Geography Chapter 4 Agriculture. When the field is ploughed manure is mixed with the soil evenly. | EduRev Class 8 Question is disucussed on EduRev Study Group by 125 Class 8 Students. Answer: 2. mcq questions for class 8 science chapter 1. Crumbs. ‘. Here is the answer: Fireflies produce a kind of chemical reaction in their [Read More …], Why are the Polar Regions colder than the equator? Weeding is the process of removal of weeds. These are produced in factories. Irrigation. Learn Maths with all NCERT Solutions Class 6 Class 7 Class 8 Class 9 Class 10 Class 11 Class 12. Answer: 1. (a) Crop rotation is done by growing legume crops and cereal crops like wheat alternately on the same piece of land. Virgin Hyperloop One – Maglev Train runs in Vacuum close to the Speed of Sound! Question 1. The pulses,peas,beans,groundnut,gram etc are leguminous crops. Threshing – the process of removing grains from the chaff. Crop Production and Management Class 8 Extra Questions and Answers Science Chapter 1 PDF are solved by experts and will guide students in the right direction. Combine is a combined harvester and thresher used for harvesting and threshing. Ans. Question 3. Feb 01,2021 - What is crop rotation? For instance, wheat and legumes are grown alternately during different seasons. NCERT Solutions for Class 8 Science PDF free download, NCERT Solutions for Class 8 Science Chapter 1 Crop Production and Management, to Study online or download free in PDF form. Question 8. No. Rhizobium bacteria present in the nodules of the roots of leguminous plants helps in the replenishment of the soil with nitrogen. float, water, crop, nutrients, preparation (a) The same kind of plants grown and cultivated on a large scale at a place is called_____. NCERT Solutions Class 8 Science Chapter 1 Crop Production And Management. (i) Manure is a natural substance obtained by the decomposition of cattle dung, human waste and plant residues. Question 10. The grains stored in jute bags or metallic bins. In order to replenish the soil with nutrients, the farmers add manure to the soil. Define the term Agriculture. Your email address will not be published. Here on AglaSem Schools, you can access to NCERT Book Solutions in free pdf for Science for Class 8 so that you can refer them as and when required. Ploughing improves air circulation so that roots can respire easily. Agricultural Practices ,Crop Production and Management - Get topics notes, Online test, Video lectures, Doubts and Solutions for CBSE Class 8 on TopperLearning. Login or Create a free account. 4)Irrigation is necessary to protect the crop plant from hot air currents as well as frost. 8. mcq questions for class 8 science microorganisms. Name the process of supply of water to crops at different intervals? PARAMSMAGAZINE.com. What.are fertilizers and manure? Explain how fertilisers are different from manure. Question 5 What are the advantages of crop rotation? | EduRev Class 8 Question is disucussed on EduRev Study Group by 125 Class 8 Students. The harvested grains are to be kept safe from moisture insects, rats and microorganisms. This prevents the attack by insect pests, bacteria and fungi. Factors affecting irrigation. Question 7. Answer: It is the science involved in improving the varieties of crops by breeding plants. Answer: Question 2. What precautions are undertaken before storing the foodgrains? Contents1 1 Crop Production and Management NCERT Solutions for Class 8 Science Chapter 11.1 Class 8 Science Chapter 1 Crop Production and Management Exercise Questions and Answers1.2 Class 8 Science Chapter 1 Crop Production and Management InText Questions and Answers Our team of subject expert teachers has prepared and reviewed the NCERT Solutions for Class […] Why is any number x to the power 0 equal to 1? It means growing of different crops alternately. Different cropping patterns are mixed cropping, inter-cropping and crop rotation. (b) When a farmer doesn’t plough his field before sowing, this may have the following effects: Question 3. Chemical fertilizers are required to upgrade production. The harvested grains should be protected from the moisture, insects, rats and microorganisms, when the they are kept to be for a longer time. What is the same kind of plant grown in and #cultivated on a large scale at a place is called. They take up the water, nutrients, space and light required by the plants, thereby affecting the growth of the crop. Manure is an organic substance obtained from the decomposition of plant or animal wastes but fertilsers are inorganic substance prepared in factories.Fertilsers are rich in nutrients but manure has very less nutrients. What is the benefit of irrigation? Question 1. Answer: Davneet Singh. Harvested grains have more moisture. This exemplar includes MCQ’S, Short answer questions and long answer questions. How are they produced? Answer: Weeds. What is its advantage? BioEngineering Summer Training (BEST) Programme 2020 – Summer Fellowship at IISc, Bangalore. (iii) Long-term use of chemical fertilizer changes the nature (pH) of the soil. Question 5. Dead plants and animals get decomposed by the soil organisms. The frequency of watering is higher in the summer, Motor pumps are used for lifting water. Name the main tools used for ploughing? Ploughed field may have big clumps of soil called crumbs. / B.Tech, Graduate Studies at IIT Bombay – IITB PG Admissions 2019, ISS Astronauts to conduct Third Spacewalk of 2019 on 8th of April, Expedition 59 – International Space Station (ISS) Astronauts prep for Second Spacewalk of 2019, IIT Madras – PG Admissions 2019 – M.S.