WebHere we have covered Important Questions on Crop Production and Management for Class 8 Science subject. Very Short Answer Questions 1. How green plants synthesize their own food? Answer: Green plants synthesize their own food by the process of photosynthesis. 2. Where do animals get their own food? WebSep 4, 2024 · Traditional method of irrigation involves chain pump, dhekli, moat (the pulley system) and rahat (lever system). ... Crop Production and Management Class 8 Extra Questions Value Based (VBQs) Question 1. Rajan felt worried about the condition of water scarcity in his village during the cropping season. He went to Ministry of Agriculture and ...
Explain the chain pump system. Biology Questions
WebFawn Creek KS Community Forum. TOPIX, Facebook Group, Craigslist, City-Data Replacement (Alternative). Discussion Forum Board of Fawn Creek Montgomery County … WebJul 21, 2013 · Chain pump: A chain pump consists of two large wheels, connected by an endless chain. The bottom wheel is half immersed in the water source. As the wheel is … once you finish reviewing
Moat irrigation - api.3m.com
WebJul 7, 2024 · – Chain pump: invented in 100 BC used paddles connected by a chain, the wheel turned by people walking. Also, it could raise the water 15 feet from rivers or ditches to the crops. What is chain pump in agriculture? ... What is irrigation Class 8 science? Irrigation is supply of water to the crops in regular time intervals. Time and repetition ... WebChain pump definition, a pump consisting of buckets, plates, or the like, rising upon a chain within a cylinder for raising liquids entering the cylinder at the bottom. See more. WebJul 7, 2024 · What is the use of pumps in agriculture class 8? Pumps are commonly used for lifting water. These pumps run by electricity,diesel,biogas or solar energy. When a pump is used to draw out water from a narrow well,it is called tube-well. They are used increasingly for lifting underground water to be used for irrigation in agriculture. once you come back