In addition to the three main factors above are other factors such as chlorophyll concentration, water and pollution. Factor # 2. These include Mg, Fe, Cu, CI, Mn, P and are closely associated with reactions of photosynthesis. light intensity pH temperature chlorophyll density water carbon dioxide soil nutrients 2 See answers tylermdons tylermdons chlorophyll density, water, carbon dioxide. AkashSharma752027107 09.05.2020 Biology Secondary School +5 pts. Only a change to the limiting factor will increase or decrease the rate of photosynthesis. The main factors affecting rate of photosynthesis are light intensity, carbon dioxide concentration and temperature. Answered Name the various factors which affect the rate of photosynthesis. The total rate of photosynthesis of the plants also depends on the number of leaves present and also the arrangement of the leaves in the plant. Plants vary in their ability to utilize high concentrations of CO2. Login. This means one determine the rate at which the plant is manufacturing glucose within some time. the rate of carbohydrate (glucose) … It is suggested that C4 plants have photorespiration and high O2 stimulates it. In photosynthesis, the more sunlight a plant absorbs, the higher its capacity to sustain itself. ★Mostly the rate of photosynthesis increases by increase in, temperature upto 40°C. Its limited availability, ie only about 0.03% in the atmosphere makes the plants compete to absorb it into chlorophyll through stomata. To explain the meaning of his principle Blackman cited the following example. This was right, supported by the informations collected … The external or environmental factors at:A light intensity, carbon dioxide concentration and temperature. As light intensity is increased the rate of photosynthesis increases. asked Jan 17, 2018 in Chemistry by Kundan kumar (51.2k points) Name the various factors … Performance & security by Cloudflare, Please complete the security check to access. For example, the amount of light will affect the rate … Light 2. Name the various factors which affect the rate of photosynthesis. Answered Name the various factors which affect the rate of photosynthesis in plants? The following points highlight the fifteen main factors affecting photosynthesis. Biology, Plant Physiology, Photosynthesis, Factors. This shows that the rate of photosynthesis is greater when higher concentrations of CO 2 are present. Temperature 2. Name the various factors which affects the rate of photosynthesis. It has also been found that uninterrupted and continuous photosynthesis for relatively long periods of time, may be sustained without any visible damage to the plant. Log in. Through this, green plants use CO2 and water in the presence of water to form glucose. Light intensity or distance of the Elodea from the lamp. The following points highlight the fifteen main factors affecting photosynthesis. For example, increasing temperature past a certain point may denature reactants or cause them to undergo a completely different chemical reaction. The rate of photosynthesis depends upon several factors they may be external or internal. Photosynthesis wraithxjmin. Answered Name the various factors which affect the rate of photosynthesis in plants? This experiment evidently shows that the photosynthetic rate responds to one factor alone at a time and there would be sharp break in the curve and a plateau formed exactly at the point where another factor becomes limiting. Join now. Limiting factors In 1905, when investigating the factors affecting the rate of photosynthesis, Blackmann formulated the Law of limiting factors. Water deficiency may cause drying of the cell walls of mesophyll cells, reducing their permeability to CO2. Factor # 5. Air Pollutants 11. These elements are the factors that affect … Light varies in intensity, quality and duration. Log in. Log in. Login. Processes such as photosynthesis are made up of a series of small reactions. FACTORS AFFECTING THE RATE OF PHOTOSYNTHESIS 1. The concentration of CO2: Higher concentration of carbon dioxide helps in increasing the rate of photosynthesis. Log in. Carbon Dioxide Concentrations 3. Factors Affecting Photosynthesis. Aqa a2 biology unit 4 complete andymartin. In general all essential elements affect the rate of photosynthesis. (a) Name the raw materials required for photosynthesis. The range of colours possible for the solutions at the end of this experiment is from yellow at the lower pH (more CO2 and so lower rate of photosynthesis), through red to purple at the higher pH (less CO2 and so higher rate of photosynthesis). Name and explain the various factors which affect the process of photosynthesis? But, the rate of photosynthesis decreases, if the amount of CO 2 increases beyond 0.1%. 1. Some of the external factors are intensity and duration of sunlight, temperature, availability of CO 2, availability of water etc.Even though there are a number of different factors in a physiological process.The rate of the photosynthesis is determined by the limiting or smallest factor. Name the various factors which affect the rate of photosynthesis. Only the three main factors identified above will be considered in further detail. carbon dioxide concentration Which one of the factors above is likely to limit the rate of photosynthesis of John’s tomato plants? Photosynthesis is a chemical reaction that is fundamental to life. How do you appreciate about the organization of cell in the living body? They also investigated the effect of temperature on the rate of respiration. Light intensity is one factor that affects photosynthesis. For example, photosynthesis can be influenced by both C0 2 … !e general summary equation for photosynthesis … The effect of temperature on photosynthesis … Test. They investigated the effect of temperature on the net rate of photosynthesis at three different light intensities. Factor: Affect on Reaction Rate: temperature: increasing temperature increases reaction rate: pressure: increasing pressure increases reaction rate: concentration: in a solution, increasing the amount of reactants increases the reaction rate: state of matter: gases react more readily than liquids, which react more readily than solids : catalysts: a catalyst lowers activation … Carbon dioxide concentration is the most important external factor affecting the rate of photosynthesis of plants. Factors Affecting Photosynthesis A limiting factor limits the rate at which a process can take place. High … The hypothesis was, as light intensity increases the rate of reaction will increase at a proportional rate. The major enzyme of carbon metabolism in plants is Rubisco, which alone accounts for more than half of the total leaf nitrogen. Use information from the graph to explain your answer. Related posts: 10 […] In some other plants, the stems also perform photosynthesis. Carbon Dioxide concentration; Water; Temperature (With Methods)| Industrial Microbiology, How is Cheese Made Step by Step: Principles, Production and Process, Enzyme Production and Purification: Extraction & Separation Methods | Industrial Microbiology, Fermentation of Olives: Process, Control, Problems, Abnormalities and Developments. Plants obtain light energy from the sun. Besides chlorophyll certain protoplasmic factors also influence the rate of photosynthesis. In these regions, chlorophylls absorb maximal light. It shows minimum, optimum and maximum temperatures. • 68 views. It may be stated that direct effect of O2 on photosynthesis remains to be understood. The action spectrum for photosynthesis in leaves shows two major peaks, one in the red and the other one in the blue (Fig. The rate of photosynthesis in two varieties of barley having normal green leaves and yellow leaves was studied. From the picture above, it is known that in the process of photosynthesis, plants require carbon dioxide, water, chlorophyll, and sunlight to produce carbohydrates (energy). sumara1 20.05.2018 Biology Secondary School +5 pts. If … Factors Affecting Photosynthesis. Photosynthesis, Describe the factors affecting the rate of photosynthesis. Register; Test; JEE; NEET; Home; Q&A; Unanswered; Categories; Ask a Question; Learn ; Ask a Question. Nearly 0.032% by volume of carbon dioxide is present in the atmosphere and at this low level it acts as a limiting factor. Factors Affecting Photosynthesis MrWestbury. Light quantity affects the rate of photosynthesis. Given other factors are limiting, the rate of photosynthesis follows Vant Hoffs rule between 6°C-30°C to 35°C i.e., it doubles with each increase of 10°C. Log in. They affect the dark reactions. sumara1 20.05.2018 Biology Secondary School +5 pts. … 1. There is typically a maximum effect, after which changing a factor will have no effect or will slow a reaction. 68 views. Answered Name the various factors which affect the rate of photosynthesis. Become our. The law of limiting factors is expressed as: At any given moment, […] So it's more efficient to use only these … of CO2 per hour and only 1 c.c. The rate of photosynthesis will be measured by counting the number of oxygen bubbles produced by the Elodea plants in each 2-minute trail. (b) What are the various conditions necessary for photosynthesis? What is a living organism? Name the various factors which affect the rate of photosynthesis in plants? or own an. Join now. Green light (550 nm) plays an important role in photosynthesis. Accumulation of Carbohydrates: Factor # 15. As the concentration of NaHCO3 increases the rate of the reaction will also increase at a proportional rate. The concentration of CO2: Higher concentration of carbon dioxide helps in increasing the rate of photosynthesis. We as heterotrophs are also very dependent upon plants to undergo photosynthesis as the products of this reaction sustain our everyday metabolic activities. Click here to get an answer to your question ️ name the various factors which affect the rate of photosynthesis. Register; Test; JEE; NEET; Home; Q&A; Unanswered; Categories; Ask a Question; Learn ; Ask a Question. Blackman’s Principle of Limiting Factors: The best answers are voted up and rise to the top. The purpose of this experiment was to look into different factors that affect the rate of photosynthesis. Answer Now and help others. asked Jan 17, 2018 in Chemistry by Kundan kumar (51.2k points) Name the various factors … Temperature 2. Transport in plant slides Alex Chiam. Many external and internal factors affect the rate of photosynthesis. There are many factors affecting photosynthesis, predominantly environmental conditions. the rate of carbon dioxide uptake. ← Prev Question Next Question → +1 vote . When the light intensity is increased, then a higher concentration of CO2 will be decomposed and the rate of photosynthesis increases till light again becomes a limiting factor. Similarly, cacti can also carry on photosynthesis at 55°C. (c) Name the various factors which affect the rate of photosynthesis in plants. What is seed dormancy? Different light parameters affecting Photosyñthesis are (a) Light quality Photosyñthesis occurs in visible light spectrum (3800 Å–7600 Å wavelength). Between the C3 and C4 plants, while the former species have optimal rates from 20-26°C, the latter species may show optimal rates from 35-40°C. In this lab I will test the effect of these factors by counting the number of bubbles produced per minute. Water and humidity also affect photosynthetic rate. todd_davidson25 TEACHER. Oxygen has been shown to inhibit photosynthesis in C3 plants while C4 plants show little effect. The maximum temperature at which photosynthesis can occur is 55°C in some desert plants and 75°C for hot spring algae.
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