The upward movement of water happens through the xylem tissue in the plant. Explain how the absorption of water by roots helps photosynthesis take place. Key Concepts: Terms in this set (44) Glucose is absorbed from the lumen of the small intestine into epithelial cells. Your email address will not be published. If you can remember the chemical formula for both photosynthesis and cellular respiration, if you can explain how the two processes complement one another, and if you can explain what happens when there is not enough oxygen for cellular respiration, then you've learned what you need to have learned. Explain. (c) Explain the mechanism of photosynthesis. 2.Photolysis of water- Energy absorbed is used in the splitting of water molecules into hydrogen ion (H+) and hydroxide ion (OH−). conversion of light energy to chemical energy and splitting of water molecules into hydrogen and oxygen. C 4 photosynthesis and the photorespiratory pump. The questions are organized according to units. in deail. Answer. Photosynthetic organisms, known as photoautotrophs, capture the energy from sunlight and use it to produce organic compounds through the process of photosynthesis. This phase occurs in the thylakoids … Explain the process of biosynthetic plase of photosynthesis occuring in chloroplast. Photosynthesis in desert plants has evolved adaptations that conserve water. STUDY. During photosynthesis, most plants use the enzyme RuBP carboxylase to capture carbon dioxide during the day. The rate of respiration depends on the energy needs of the plant while the rate of photosynthesis varies depending on the availability of light energy, if all other conditions are maintained the same. If no, what are the other parts that are capable of carrying out photosynthesis? It is important that you read each question completely, and answer each section of the question. Because the energy used comes from light, it is also called photophosphorylation. 5.Photophosphorylation- Electrons are used in converting ADP (adenosine diphosphate) into energy-rich compound ATP (adenosine triphosphate) by adding one phosphate group.The process of addition of phosphate is called phosphorylation. A photon strikes photosystem II to initiate photosynthesis. It evolved as an adaptation to high light intensities, high temperatures, and dryness. Photorespiration is a wasteful pathway that competes with the Calvin cycle. Both types of reactions take place in chloroplasts: light-dependent reactions in the thylakoid and light-independent reactions in the stroma. JWTxrner. In this article, we attempt to answer all your queries about this process. Explain photosynthesis, contrasting the actions of RuBP carboxylase and Pep case. This chemical energy is stored in carbohydrate molecules, such as sugars , which are synthesized from carbon dioxide and water – hence the name photosynthesis , from the Greek phōs ( φῶς ), "light", and sunthesis ( σύνθεσις ), "putting … 63. Two main phases are involved in the mechanism of photosynthesis:light dependent phase and light independent phase. In summary, photosynthesis is a process in which light energy is converted to chemical energy and used to produce organic compounds. Photosynthetic tissue of these plants contains both Pep case and RuBP carboxylase. Biology, 07.01.2021 18:10, LadyHolmes67 Explain in details the mechanism of transportation in plants Photosynthesis consists of two stages, the light reactions, and the dark reactions. Explain the mechanism of photosynthesis and write a chemical equation to show that. Photosynthesis consists of two stages, the light reactions, and the dark reactions. The food vacuole contains the food particle and water. Describe C 4 pathway in a paddy plant. In photosynthesis, the inorganic compounds of carbon dioxide, water, and sunlight are used by photoautotrophs to produce glucose, oxygen, and water. Answers must be in essay form. Plants use the energy produced during photosynthesis to grow flowers, fruits and seeds.Tree leaves and roots are used as ingredients in manufacturing some medicines. Explain how the transport of sodium ions is involved in the absorption of glucose by epithelial cells. This partial vacuum is quickly filled by the water being moved upward from the roots. The C 4 photosynthetic carbon cycle is an elaborated addition to the C 3 photosynthetic pathway. Created by. Why is the leaf boiled in water for few minutes in activity 6.1 class 10? Photosynthesis is important because it provides two main things: food; oxygen; Some of the glucose that plants produce during photosynthesis is … - 13158720 In plants, photosynthesis typically occurs within the chloroplasts located in plant leaves. It is an endothermic chemical process that uses sunlight to turn carbon dioxide into sugars. The human respiratory system consists of a pair of lungs and a series of air passages leading to the lungs. Photosynthesis uses light energy from the sun and carbon dioxide and water in the atmosphere to make food for plants, trees, algae and even some bacteria. In harsh, dry heat, every drop of water must be used to survive. HARD. 22. Photosynthesis evolved early in Earth’s history. Long Answer Questions (5 marks each) 21. Photosynthesis is the process by which plants and some microorganisms make substances like carbohydrates. Copyright Notice © 2020 Greycells18 Media Limited and its licensors. Select three properties of water and: … Continue reading "AP Essay Questions" It is an endothermic (takes in heat) chemical process that uses sunlight to turn carbon dioxide into sugars. Photosynthesis requires energy in the form of light to drive the chemical reaction. Two main phases are involved in the mechanism of photosynthesis:light dependent phase and light independent phase. Recognizing that photosynthesis is the key source of energy for life on Earth and given the rapid pace of global environmental change, and the pressure of an increasing human population (e.g. Life Processes. 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In summary, photosynthesis is a process in which light energy is converted to chemical energy and used to produce organic compounds. In the first part of photosynthesis, the light-dependent reaction, pigment molecules absorb energy from sunlight. Photosynthesis helps plants to generate glucose, carbohydrates, and oxygen by using carbon dioxide, water, and sunlight. Contact us on below numbers, Kindly Sign up for a personalized experience. A Step-by-step Guide to Understand the Process of Photosynthesis. Photosynthesis - Photosynthesis - Carbon fixation in C4 plants: Certain plants—including the important crops sugarcane and corn (maize), as well as other diverse species that are thought to have expanded their geographic ranges into tropical areas—have developed a special mechanism of carbon fixation that largely prevents photorespiration. Q.1. Gravity. A further mechanism of regulation for photosynthesis that prevents overreduction of the PSI acceptor side and the chloroplast stroma is the “malate valve” system, which transfers reducing equivalents to the cytosol (Scheibe et al., 2005). Long Answer Type Questions. ADVERTISEMENTS: Human Respiratory System and it’s Mechanism! Photosynthesis is the biochemical pathway which converts the energy of light into the bonds of glucose molecules. Because stomata must open to allow for the uptake of CO 2, water escapes from the leaf during active photosynthesis.Desert plants have evolved processes to conserve water and deal with harsh conditions. Long answer type questions . C 4 PHOTOSYNTHESIS. This video contains practice questions on the types of nutrition and the ph... Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day. This video explains the factors affecting the rate of photosynthesis. Therefore, C 4 plants dominate grassland floras and biomass production in the warmer climates of the tropical and subtropical regions (Edwards et al., 2010). Long before the issues of global warming arose, scientists especially, biologists and ecologists were interested in plant photosynthesis and the problem of respiration energy in the conditions of high temperature. Answer: Photosynthesis is a method of transforming light energy into chemical energy by phototrophs, which is later used to fuel cell functions. Read fully solved questions to make easy and effective preparation for the board exam. 1.Activation of chlorophyll- On exposure to light, chlorophyll becomes excited and absorbs photons to get activated. Chapter 10 Photosynthesis Lecture Outline . Photosynthesis is the process by which plants and some microorganisms make substances like carbohydrates. (5 marks) [Unit 1, June 16] 1. Photosynthesis is very important for life on Earth. The chlorophyll in these living organisms, which also contributes to their green hues, absorbs the sunlight and combines it with carbon dioxide to convert these compounds into an organic chemical called adenosine … Air enters the nose through the nostrils. Reflex action is a form of animal behaviour in which the stimulation of a sensory organ (receptor) results in the activity of … (a) What is photosynthesis? (A) Cross section from a leaf of Megathyrsus maximus.A typical C 4 leaf with bundle sheath and mesophyll cells surrounding the veins in layers. Photosynthesis can also be seen as the reverse of respiration where the by-products of respiration are used as primary raw materials in photosynthesis. AP Biology Essay Questions The following is a comprehensive list of essay questions that have been asked on past AP exams. Short /Long answer type question. Draw a labelled diagram showing reabsorption and secretion of major substances at different parts of the nephron. - 13158720 AQA A-Level Biology long answer Qs. Explain the mechanism of formation of concentrated urine in mammals. Algae, protists … long answer . Photosynthesis : Photosynthesis is an enzyme regulated anabolic process of manufacture of organic compounds inside the chlorophyll containing cells from carbon dioxide and water with the help of sunlight as a source of energy. (2) 1. Overview: The Process That Feeds the Biosphere . Energy travels through the electron transport chain, which pumps hydrogen ions into the thylakoid space. Explain the process of nutrition in Amoeba. (1) Length of trunk (between top and bottom). Using the energy from light and the hydrogens and electrons from water, the plant combines the carbons found in carbon dioxide into more complex molecules. When both short and long wavelengths were given together the quantum-yield of photosynthesis was greater than the total effect when both the wavelengths were given separately. It is easy to think of light as something that exists and allows living organisms, such as humans, to see, but light is a form of energy. When air passes through the nose, […] Learn. This is called the transpiration stream. long answer please. While a 3-carbon molecule is the direct result of photosynthesis, glucose is simply two of these molecules combined and is often represented as the direct result of photosynthesis due … - edu-answer.com How long did it take 12C label to get from the top of the trunk to the bottom of the trunk? During photosynthesis, most plants use the enzyme RuBP carboxylase to capture carbon dioxide during the day. Answer: Amoeba is a unicellular animal which follows holozoic mode of nutrition. (c) Explain the mechanism of photosynthesis. 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