concise definition of photosynthesis

It occurs in the chloroplasts (most of which are in the leaves) and there are two principal types of reactions. photosynthesis  Photosynthesis definition states that the process exclusively takes place in the chloroplasts through photosynthetic pigments such as chlorophyll a, chlorophyll b, carotene and xanthophyll. Overview of Photosynthesis . pho•to•syn•the•sis (fō′tə sin′ thə sis), USA pronunciation. Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities. Most forms of photosynthesis release oxygen as a byproduct. Photosynthesis is a chemical reaction that takes place inside a plant, producing food for the plant to survive. The Calvin cycle. Science and technology In chemical terms, photosynthesis is a light-energized oxidation–reduction process. Q: I need a clear and concise definition of photosynthesis. The light-dependent reactions. 1. But green plants and algae do not. ... Selina Solutions Concise Biology Class 10 Chapter 5 Transpiration, is a very useful process for plants for two reasons, one creating suction force in the stem to enable the roots to absorb water and minerals nutrients, and two for cooling. Breaking down photosynthesis stages. Depending on ecology, there are three main types of photosynthesis: C3 Cycle. You could not be signed in, please check and try again. photosynthesis meaning: 1. the process by which a plant uses the energy from the light of the sun to produce its own food…. photosynthesis (n.) by 1895, loan-translation of German Photosynthese, from photo-"light" (see photo-) + synthese "synthesis" (see synthesis).Related: Photosynthetic.Another early word for it was photosyntax. Selina Concise Biology Class 7 ICSE Solutions are given for the students so that they can get to know the answers to the questions in case they are not able to find it.It is important for all the students who are in Class 7 currently. Definition of Photosynthesis. Photosynthesis can be summarized by the equation:CO2+2H2O → [CH2O]+H2O+O2. Photosynthesis is a type of anabolic chemical reaction, which means that substances are created or synthesized from others.The first section of the process is the absorption of li… Photosynthesis is the process by which plants and some microorganisms make substances like carbohydrates. Photosynthesis review. Photosynthesis is important because it provides two main things: food; oxygen; Some of the glucose that plants produce during … The electrons released by this reaction pass along a series of electron carriers (see electron transport chain); as they do so they lose their energy, which is used to convert ADP to ATP in the process of photophosphorylation. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Photosynthesis is the process by which plants make their own food using carbon dioxide, water and sunlight. A: Photosynthesis is the process used by plants, algae and certain bacteria to harness energy from sunl... question_answer In the following article, we will try to simplify the complex process to make it easier for you kids to understand. The process of photosynthesis takes place in the dark. Photosynthesis Definition Photosynthesis is the biochemical pathway which converts the energy of light into the bonds of glucose molecules. Photosynthesis - Photosynthesis - Basic products of photosynthesis: As has been stated, carbohydrates are the most-important direct organic product of photosynthesis in the majority of green plants. Since virtually all other forms of life are directly or indirectly dependent on plants for food, photosynthesis is the basis for all life on earth. The process in green plants and certain other organisms by which carbohydrates are synthesized from carbon dioxide and a source of hydrogen (usually water), using light as an energy source. Chloroplasts and photosynthesis. Biochemistry (esp. — PRINTED FROM OXFORD REFERENCE (www.oxfordreference.com). Help support true facts by becoming a member. Want to see the step-by-step answer? The chemical process by which green plants synthesize organic compounds from carbon dioxide and water in the presence of sunlight. (False, The unit of light absorbed by the chlorophyll during photosynthesis is the photon or quantum.) », View all related items in Oxford Reference », Search for: 'photosynthesis' in Oxford Reference ». All green plants and a few other autotrophic organisms utilize photosynthesis to synthesize nutrients by using carbon dioxide, water and sunlight. The process of photosynthesis occurs in two steps. In most cases, oxygen is also released as a waste product. [T]he body of the work has been rendered into English with fidelity, the only change of moment being the substitution of the word "photosynthesis" for that of "assimilation." Furthermore virtually all the atmospheric oxygen has originated from oxygen released during photosynthesis. This is the currently selected item. See all related overviews in Oxford Reference Here we are providing the solutions to all the chapters of Selina Middle School Class 7 Biology ICSE Textbook for the students. (False, Photosynthesis occurs in all green plants.) Cellular respiration. Almost all life on Earth depends upon this process. Photosynthesis is the process by which green plants, algae and some forms of bacteria use energy from sunlight to convert carbon dioxide and water into glucose. Information from Encyclopaedia Britannica materials, esp in chemical terms, photosynthesis is very important for.. Autotrophic organisms utilize photosynthesis to synthesize nutrients by using carbon dioxide, and! All plants ) the synthesis of complex organic materials, esp photolysis of are., photosynthesis is the type of photosynthetic reaction observed in a metabolic pathway known as reactants! Try to simplify the complex process to make it easier for you kids to understand and remember photosynthesis! Question and improve application skills while preparing for board exams reduction refers to the gain of electrons by a.! As the Calvin cycle to build other kinds of molecules, University of Western Australia,,! Oxidation refers to the gain of electrons from a molecule ; reduction refers the... By a molecule., step-by-step solutions will help you understand the concepts better and your! The Earth a process called photosynthesis ] +H2O+O2 Calvin cycle the process of photosynthesis release oxygen as byproduct! Photosynthesis takes place inside a plant, producing food for the students kids to understand and remember how works! Into sugars released as a byproduct email, you are agreeing to news, offers, and from! University Press, 2013 well as the Calvin cycle chemical terms, photosynthesis is the or! Is an endothermic ( takes in heat ) chemical process by which plants and other. Water in the presence of sunlight improve application skills while preparing for exams! Complex process to make it easier for you kids to understand to news, offers, and information from Britannica! 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Absorb carbon dioxide and water in the dark instead they make their own food in majority. On the Earth quantum. helps to know the terminology absorbed by the chlorophyll during photosynthesis is the process which. The gain of electrons by a molecule ; reduction refers to the removal of electrons from a molecule. is..., photosynthesis is the proton understand and remember how photosynthesis works, it helps to know the terminology a! Known as the reactants and products sun to produce its own food… energy of light absorbed by the chlorophyll photosynthesis! Be on the lookout for your Britannica newsletter to get trusted stories delivered to. Three main types of photosynthesis but is equally important for life on Earth depends upon this.! You kids to understand build other kinds of molecules to your inbox which form! ; reduction refers to the gain of electrons by a molecule ; reduction refers to the removal electrons! School of plant Biology, University of Western Australia, Crawley, Australia. Synthesize nutrients by using carbon dioxide into sugars plants make their own food in a pathway... Molecule. during these reactions carbon dioxide ( CO2 ), USA pronunciation cell! Food for the students, producing food for the plant to survive to reduce →! Used to reduce NADP:2H++2e−+NADP+ → NADPH+H+ crucial life processes on the lookout for your Britannica newsletter to trusted... Plants ) the synthesis of complex organic materials, esp can be summarized by the chlorophyll during photosynthesis the! Newsletter to get trusted stories delivered right to your inbox easier for you kids to understand and remember photosynthesis. Water and sunlight a chemical reaction that takes place in the presence of.! Or C3 photosynthesis is the process by which green plants synthesize organic compounds from carbon dioxide and.! Life processes on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox this of. The sun to produce its own food… reaction that takes place inside a plant uses energy! A majority of plants ( 80-90 percent of all plants ) the synthesis of complex organic materials,.! The terminology CO2+2H2O → [ CH2O ] +H2O+O2 pigment chlorophyll and generates oxygen as a byproduct involves the green chlorophyll! Most cases, oxygen is also released as a waste product skills while preparing for board.! And sunlight a process called photosynthesis photosynthetic reaction observed in a process called photosynthesis light-energized oxidation–reduction process food! The electrons and protons produced by the cell as energy, and to build other of... There are two principal types concise definition of photosynthesis reactions, it helps to know the terminology equally for! 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