Blackman's law of limiting factors - law F.F. There are internal factors like number, size, age and orientation of leaves, mesophyll cells and chloroplasts, internal CO ⦠Protoplasmic Factors. Light: A study of the effect of light on the rate ⦠On a deeper level, other factors like amount of chlorophyll, availability of nutrients (eg Mg is needed for chlorophyll synthesis) will also affect the rate of photosynthesis, though these are rarely covered in discussion of this topic. If the amount of CO 2 increases up to 0.1%, the rate of photosynthesis also increases. e Leave for 2 minutes and then take counts of the number of bubbles produced in one minute. ADVERTISEMENTS: The following points highlight the ten major factors affecting photosynthesis. Carbon-Dioxide 3. Photosynthesis is one of the most remarkable biochemical processes found on Earth and allows plants to use sunlight to make food from water and carbon dioxide. Furthermore, what are three factors that affect the rate at which photosynthesis occurs quizlet? The rate of photosynthesis increases as the temperature increases. Light 2. Chemical Compounds 8. This topic is especially important to scientist and farmers. Name: Factors that affect the rate of Photosynthesis Directions: Read through the passage. Leaf Anatomy 10. It determines the rate of photosynthesis. Processes such as photosynthesis are made up of a series of small reactions. (Refer to teaching notes.) Nutrient Supply 5. According to this principle, when a process depends on number of factors its rate is limited by the pase of the slowest factor. But, the rate of photosynthesis decreases, if the amount of CO 2 increases beyond 0.1%. Factors Affecting Photosynthesis A limiting factor limits the rate at which a process can take place. Click to see full answer. Highlight important information to help you to keep track of important concepts in the reading. Limiting factors The main factors affecting rate (process) of photosynthesis are light intensity, carbon dioxide concentration and temperature. Factor # 1. Oxygen Concentration 7. The rate of photosynthesis indirectly helps us in determining the yield of crops. Water 4. Answer the follow-up questions that follow. The main variables which affect photosynthesis are light, water, CO 2 concentration and temperature. The law of limiting factors is expressed as: At any given moment, [â¦] Temperature, light intensity, carbon dioxide levels, water, oxygen and chlorophyll. Factors affecting the rate of photosynthesis. Simple experiments carried out by scientists shows that the rate of photosynthesis is critically dependent upon variables such as temperature, pH and intensity of light. 2. Repeat the count and calculate the mean rate of bubble production as before. 1.Carbon dioxide The amount of carbon dioxide in the atmosphere is 0.03%. This can be measured by the amount of glucose produced by a plant over a given time. T here are many factors that affect the rate of photosynthesis, and it very important to understand how each factor affects the rate of photosynthesis. d Change one factor that may affect the rate of photosynthesis, keeping all other factors the same as far as possible. However, the rate declines after the temperature reaches an optimal level (usually ⦠The term rate always involves time, so the rate of photosynthesis can be considered to be how fast photosynthesis takes place. The factors are: 1. The intention of this experiment was to investigate different factors that affect the rate of photosynthesis. Blackman in 1905 proposed the principle of limiting factor. As the concentration of NaHCO3 increases the rate of the reaction will also increase at a proportional rate. External factors. It is the slowest of these reactions that determines the overall rate of photosynthesis. The hypothesis was, as light intensity increases the rate of reaction will increase at a proportional rate. Based on the equation, it's probably not surprising that carbon dioxide and sunlight are two major factors that affect photosynthesis, but there is a third that isn't so obvious: temperature. Three main factors affect the rate of photosynthesis: Light intensity: Increasing light intensity will increase the rate of photosynthesis, until the maximum amount of light is being absorbed.The main photosynthetic pigment in green plants is chlorophyll, which absorbs red and blue wavelengths (explaining their green appearance). Water Water is a very important raw material for photosynthesis. Temperature 6. Chlorophyll Content 9.