1. Crop Production And Management Class 8 Science [LATEST] Solutions Chapter Review in English - CBSE Study
NCERT Solutions for Class 8 Science are carefully prepared according to the latest CBSE syllabus and NCERT textbooks to help students understand every concept clearly. These solutions cover all important 1. Crop Production And Management with detailed explanations and step-by-step answers for better exam preparation. Each Chapter Review is explained in simple language so that students can easily grasp the fundamentals and improve their academic performance. The study material is designed to support daily homework, revision practice, and final exam preparation for Class 8 students. With accurate answers, concept clarity, and structured content, these NCERT solutions help learners build confidence and score higher marks in their examinations. Whether you are revising a specific topic or preparing an entire chapter, this resource provides reliable and syllabus-based guidance for complete success in Science.
Class 8 English Medium Science All Chapters:
1. Crop Production And Management
1. Chapter Review
Chapter Review:
- Plants of the same kind are grown and cultivated at one place on a large scale, it is called a crop.
- Khurpi, sickle, shovel, plough, etc. are some agricultures tools.
- Crops are of different types like cereals, vegetables and fruits.
- According to season there are two type of crops – (i) Rabi crops and (ii) Kharif Crops.
- Rabi crops are wheat, gram, pea, mustard and linseed.
- Paddy, maize, soyabean, groundnut, cotton, etc., are kharif crops.
- The process of loosening and turning of the soil is called tilling or ploughing.
- The levelling of soil is done with the help of a leveller.
- Nowadays ploughing is done by tractor driven cultivator.
- The use of cultivator saves labour and time.
- The substances which are added to the soil in the form of nutrients for the healthy growth of plants are called manure and fertilisers.
- Manure is an organic substance obtained from the decomposition of plant or animal wastes.
- Rhizobium bacteria are present in the nodules of the roots of leguminous plants.
- Rhizobium bacteria fix atmospheric nitrogen.
- A fertiliser is an inorganic salt which is prepared in factories.
- Fertilisers are very rich in plant nutrients like nitrogen, phosphorus and potassium.
- The supply of water to crops at different intervals is called irrigation.
- The sources of irrigation are— wells, tubewells, ponds, lakes, rivers, dams and canals.
- The traditional ways of irrigation are moat, chain pump, Dhekali and Rahat.
- Modern methods of irrigation help us to use water economically.
- Modern methods of irrigation are sprinkler system and drip system.
- These undesirable plants are called weeds.
- The removal of weeds is called weeding.
- Weeds are also controlled by using certain chemicals, called weedicides, like 2,4-D.
- The cutting of crop after it is mature is called harvesting.
- The grain seeds need to be separated from the chaff. This process is called threshing.
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