What is the name of cycle which generates energy and splits water into hydrogen and oxygen? Photosynthesis in Plants . The electron is then transferred to cytochrome f, then from cytochrome f to plastocyanin. Answer: It is a process of synthesis of ATP from ADP in presence of light during cyclic transfer of electron. 2. The correct answer was given: sarah050 Green plants take in carbon dioxide and prepare food in the presence of sunlight. (5). Photosynthesis allows plants to create food from the sun this creates a never ending source of food that props up the food chain. In C4 leaves there are only one type of mesophyll cells. Answer. - Short Question and Answers CBSE/Schools Notes | EduRev images and diagram are even better than Byjus! Photosynthesis is a biochemical process in which plant, algae, and some bacteria harness the energy of light to produce food. Favourite answer. The best explanation of the process of photosynthesis in a single video. It is also very important photosynthesis in our lives because through it you get the perfect balance between heterotrophic and autotrophic beings, oxygen is released and is the key to the diversity of life that exists on Earth. 3. The pigment system which produces sufficient oxidation potential to cause oxidation of water is. Very short answer type. Photosynthesis also results in the release of oxygen into the atmosphere. As glucose is a six carbon compound, thus it requires six turns of Calvin cycle to synthesise its one molecule. It is an endothermic chemical process that uses sunlight to turn carbon dioxide into sugars. It occurs in temperate C3 plants such as rice, wheat, barley, bean etc. Complete Is this structure present in animal cell or plant cell? Join now. Which term is the part of photosynthesis when light energy is captured and transferred to a molecule, such as ATP? The fall in photo yield beyond red region of spectrum is called “red drop.”, Emerson and his co-worker further extended the previous experiment by supplying additional shorter wavelength of light along with far red light. Which one of the following is the main product of photorespiration in C3 plants? Levels of carbon dioxide (a reactant) will fall, and levels of oxygen (a product) will rise. 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 … Because of the wreath-like configuration of these bundle sheath cells, this arrangement is known as Kranz anatomy . Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. Title: Biology Short Answer Practice Questions Photosynthesis Author: ��wiki.ctsnet.org-Jana Vogel-2020-08-30-22-38-06 Subject: ��Biology Short Answer Practice Questions Photosynthesis 5. During this process oxygen gas is released. Study chloroplasts, the chemical equation, chlorophyll and the light and dark stages of photosynthesis. Carbondioxide is again fixed inside the bundle sheath cells through calvin cycle. of What is photosynthesis? Join now. Answer. Page 1 SHORT QUESTION AND ANSWERS Q1: What is photosynthesis? Chloroplasts aRon. 4. This process is called photosynthesis. Nov 29, 2020 - Very Short Question Answers - Nutrition in Plants Class 7 Notes | EduRev is made by best teachers of Class 7. Photosynthesis is so essential to life on earth that most living organisms, including humans, cannot survive without it. - Short Question and Answers CBSE/Schools Notes | EduRev sample questions with examples at the bottom of this page. Log in. - Short Question and Answers CBSE/Schools Notes | EduRev chapter (including extra questions, long questions, short questions, mcq) can be found on EduRev, you can check The following raw materials are required for photosynthesis: (i) Carbon Dioxide: Plants get CO 2 from atmosphere through stomata. Mention the raw materials required for photosynthesis. Malic acid is transported to bundle sheath cells, where it is decarboxylated by NADP and specific malic enzyme to produce pyruvic acid and carbon dioxide. In short, to eat and breathe, humans depend almost entirely on the organisms that carry out photosynthesis. Answer: The steps involved in Hatch and Slack pathway or C4 pathway are as follows: (1). Roots aren't exposed to light, so there's no point for a plant to put chlorophyll in them. Answer: In dark reaction, phosphoglyceric acid forms phosphoglyceral dehyde by utilizing ATP molecules. 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. From plastocyanin, electron returns back to pigment system I and chlorophyll gets reduced. - edu-answer.com NCERT Exemplar Class 11 Biology is very important resource for students preparing for XI Board Examination. - Short Question and Answers CBSE/Schools Notes | EduRev Summary and Exercise are very important for The chloroplast of mesophyll cells are normal. This phenomenon is called “Warburg effect.” Increase in the concentration of oxygen inhibits the fixation of carbon dioxide by RuBisCO. Translocation in plants occurs by means of the vascular tissue known as phloem. December 27, 2019 Maanu Rishabh. 11. 5 Answers. Do check out the sample questions ATP synthase stage. Ask your question. The sugars are used by the cell as energy, and to build other kinds of molecules. 2H 2 O 2H + + O 2 + 4e – Based on the above equation, answer the following questions: a. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Photosynthesis is very important for life on Earth. Plants absorb carbon dioxide (CO2), more water (H20), more photons or sunlight. 3. Answer. EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. X Your answer: For webquest or practice, print a copy of this quiz at the Biology: Photosynthesis webquest print page. 1 0. adamceltic426. (3). Goes through electron transport chain. e.oral rehydrating solution is the full form of ORS. (2). Answer. One is located in short red while the other is in far-red light. Hence, in C4 plants, chloroplasts are dimorphic in nature. - Short Question and Answers CBSE/Schools Notes | EduRev search giving you solved answers for the same. December 27, 2019 Daly Rathee. The chemical energy is stored in the form of sugars, which are created from water and carbon dioxide. Magnesium is an important constituent of which of the following pigments? Plants only Photosynthesize during the day at … Photosynthesis is the process by which plants and some microorganisms make substances like carbohydrates. Plants use the energy produced during photosynthesis to grow flowers, fruits and seeds.Tree leaves and roots are used as ingredients in … Since photosynthesis requires carbon dioxide, water, and sunlight, all of these substances must be obtained by or transported to the leaves. Perhaps, the Earth is the only hospitable planet for our lives. Photorespiration takes place only in the presence of light whereas respiration continues both in dark and light. (adsbygoogle = window.adsbygoogle || []).push({}); 1. your solution of What is photosynthesis? If the concentration of NADP+ is low, then FRS instead of transferring its electron to Fd, transfers electron to cytochrome b. During the transfer of electron from Fd to cytochrome b and from cytochrome b to cytochrome f, 2 molecules of ATP are synthesized from ADP and inorganic phosphate. b. (a) The transport of soluble products of photosynthesis is known as translocation. To Study What is photosynthesis? Photosynthesis occurs in the green tissue of plants. this is your one stop solution. Write the overall equation for photosynthesis. This results in the formation of 2 molecules of 3-phosphoglyceric acid. perfect preparation. Which of the following does not evolve oxygen? Oxygen is also released through the stomata. d.oesophagus is the other name of food pipe. Photosynthesis is a chemical reaction that takes place inside a plant, producing food for the plant to survive. Photosynthesis is a process by which phototrophs convert light energy into chemical energy, which is later used to fuel cellular activities. Biology Short Answer Practice Questions Photosynthesis Author: learncabg.ctsnet.org-Dennis Eichmann-2020-12-07-16-34-10 Subject: Biology Short Answer Practice Questions Photosynthesis Keywords: biology,short,answer,practice,questions,photosynthesis Created Date: 12/7/2020 4:34:10 PM Start studying Photosynthesis questions. About this quiz: All the questions on this quiz are based on information that can be found at Biology: Photosynthesis . You can see some What is photosynthesis? It is an endothermic (takes in heat) chemical process that uses sunlight to turn carbon dioxide into sugars. Photosynthesis is so essential to life on earth that most living organisms, including humans, cannot survive without it. Which pigment is present in all green plants? Carbon Dioxide + Water + Energy (Doesn't have to be sunlight) = Glucose + Oxygen. - Short Question and Answers CBSE/Schools Notes | EduRev Goes through photosystem II. Answer: The process by which green plants make their own food from carbon-dioxide and water in the presence of sunlight and chlorophyll is called photosynthesis. Phosphoglyceral dehyde converts into hexose sugar. This results in the formation of AMP (adenosine monophosphate) instead of ADP (adenosine diphosphate). Distinguish between photorespiration and respiration. out CBSE/Schools lecture & lessons summary in the same course for CBSE/Schools Syllabus. Log in. This document is highly rated by Class 7 students and has been viewed 6745 times. The monochromatic far red light which was insufficient, when supplied with shorter wavelength of light enhance the photosynthetic yield and recovered the red drop. In plants, photosynthesis occurs mainly within the leaves. very short answer of photosynthesis. Science. Chlorophyta or Prasinophyta is a taxon of green algae informally called chlorophytes. Answer:   At a very high oxygen concentration, the rate of photosynthesis begins to decline in all the plants. 9. (c) the rate of photosynthesis equals the rate of respiration, Answer: (c) the rate of photosynthesis equals the rate of respiration. C4 leaves are characterized by the presence of tightly packed, thick-walled bundle sheath cells all around the vascular bundle. The step involves utilization of 2 molecules of ATP for phosphorylation and 2 molecules of NADPH for reduction per carbon dioxide molecule fixed. The electrons are transferred to ferredoxin-reducing substance (FRS) through A (FeS). - Short Question and Answers CBSE/Schools Notes | EduRev pdf from EduRev by Photosynthesis is a physio-chemical process which uses light energy to produce organic compounds. ‘Photo’ means light and ‘Synthesis’ means to make. Photosynthesis is very important for life on Earth.Green plants build themselves using photosynthesis. Plants are the only living organisms to produce their own food during photosynthesis (autotrophic). 1. Photosynthesis also results in the release of oxygen into the atmosphere. Flowers serve a reproductive purpose, so again, there's no reason for plants to use them for photosynthesis. It contains objective, very short answer type, short answer type, and long answer type questions. Photorespiration occurs in the chloroplast and may require the help of peroxisomes and mitochondria whereas respiration occurs in cytoplasm and mitochondria. 8. In this step of dark reaction, ribulose 1, 5 diphosphate, (also known as ribulose biphosphate), a phosphorylated 5 carbon sugar which acts as carbon dioxide acceptor, combines with carbon dioxide. ★★★ Correct answer to the question: What is the FIRST result of photosynthesis? How? 5. Lv 4. Thus, the entire process is just a reverse of glycolysis in which hexose sugars are first oxidised into phosphoglyceral dehyde and then to carbon dioxide and water, releasing ATP. Tests & Videos, you can search for the same too. Photosynthesis can also be seen as the reverse of respiration where the by-products of respiration are used as primary raw materials in photosynthesis. Secondary School. You can also find What is photosynthesis? Carbon dioxide, water and light are all needed for photosynthesis to take place. (a) Phosphoglycerate (b) Phosphoglycolate (c) glycerate (d) glycocholate Answer: (b) Phosphoglycolate 2. All of our energy for growth, development and physical activity comes from eating food from plants and animals. Relevance. They are large in size, centripetally arranged and lack well-organized grana. If you want What is photosynthesis? All of our energy for growth, development and physical activity comes from eating food from plants and animals. C4 leaves are characterized by the presence of tightly packed, thick-walled bundle sheath cells all around the vascular bundle (Kranz anatomy). Green plants build themselves using photosynthesis. The sugars are used by the cell as energy, and to build other kinds of molecules. Biology, 14.08.2020 21:07, mohit81281 What is photosynthesis Thus, it seems to be a wasteful process. This process can be represented as: 6CO 2 + 12H 2 O ? 5. a. This pigment captures the sun’s energy, which is used to prepare food from carbon dioxide and water. In red light, there is more photosynthesis in comparison to any other light of single colour. Light is absorbed by the pigment. answer choices light- independent reactions How does the anatomy of a typical C4 leaf differs from that of C3 leaf? As a result, the rate of photosynthesis will slow down. Answer: a.process of preparation of food byplants using CO2 and H2O in presence of sunlight is photosynthesis . Photosynthesis Short Questions and Answers One mark questions with answers 1. Very Short Answer Type Question [1 Mark] -Year 2014. 12. From the NCERT Exemplar Class 11 Biology Chapter 13, candidates can understand the level and type of questions that are asked in the exam. Answer: The photosynthetic parenchyma cells in a typical C3 leaf are organized into two distinct tissues-an upper region of tightly packed palisade cells and the more loosely arranged spongy mesophyll cells bordering large intercellular spaces. The enzyme, RUBISCO, acts as a catalyst in this reaction. 1. 7. The enhancement in yield due to combination of shorter wavelength of light with far red light is termed as “Emerson effect.”. (a) photosynthetic bacteria (b) blue-green algae (c) green algae (d) … 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. In short, our Sun God (Suraj Devta) has given us this life through Photosynthesis. Can these be passed on to the progeny? Photosynthesis is the process by which plants and some microorganisms make substances like carbohydrates. Very short answer type. 4. Answer: Emerson and Lewis determined the quantum yield of photosynthesis under different wavelength of light and found that there was a sharp drop in the region above 680 nm. (ii)Water: Plants absorb water from soil through roots and transport to leaves. Examine the figure. Very Short Answer Type Questions. Multiple Choice Questions Multiple choice type Very short answer type Short answer type Structured/Application/Skill type Selina solutions for Concise Biology Class 10 Icse chapter 6 - Photosynthesis Selina solutions for Concise Biology Class 10 Icse chapter 6 (Photosynthesis) include all questions with solution and detail explanation. 2. What is Warburg effect in photosynthesis? using search above. Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 11.. Oxaloacetic acid is reduced by NADPH2 to form malic acid in the presence of enzyme, malate dehydrogenase. Like normal respiration, this process also releases carbon from organic compound in the form of carbon dioxide but does not produce ATP. c.pea plant and lentils are leguminous plants. Answer: Kranz anatomy occurs in the leaves of C4 plants. 2. Pyruvic acid is sent back to mesophyll cells, where it converts to phosphoenolpyruvate by using ATP. What do you understand by glycolytic reversal? Answer: Addition of carbon dioxide to a compound is termed as carboxylation. Which of the following enzymes help in carbon dioxide fixation during C4 cycle? The sunlight controls which reaction of PSII? They contain starch grain. Along with it, the answer for each question has also been provided. (4). This is primarily in the leaves, although photosynthesis also occurs in stems. Answer:you're answer The process by which green plant turn carbon dioxide and water into food using energy from sunlight Explanation:thank you 1. In C4 leaves the chloroplasts present in bundle sheath cells are of abnormal type. Free photosynthesis process review. 1 decade ago. Photosynthesis (Short Questions and Answers). just for education and the What is photosynthesis? Absorption of light by pigment system I (PSI) results in the excitation of its reaction centre P700, which emits electron. Answers. Answer Save. The reactions of plant photosynthesis are divided into those that require the presence of sunlight and those that do not. 1 decade ago. C4 leaves are generally thinner than C3 leaves. Thus, we depend upon the process for our existence in more ways than is often considered. Answer: Photorespiration occurs inside photosynthetic cells whereas respiration is found in all living cells. Oxaloacetic acid also produces aspartic acid by a transamination reaction in the presence of enzyme, transaminase. The process of photorespiration takes place in chloroplast, peroxisome and mitochondria. The cow that produced it clearly ate hay that was the dried form of what photosynthesis had produced for her. Nearly all living things depend on energy produced from photosynthesis for their nourishment, making it vital to life on … Both types of reactions take place in chloroplasts: light-dependent reactions in the thylakoid and light-independent reactions in the stroma. EduRev is like a wikipedia Chlorophyll is a green pigment present in the leaves of plants. 4. b.because of presence of chlorophyll algae is green. Phosphoenolpyruvic acid accepts carbon dioxide and forms oxaloacetic acid inside mesophyll cells.in the presence of enzyme, phosphoenolpyruvate carboxylase. c. Name the metabolic processes taking place in the places marked (1) and (2). 1. Answer: Photorespiration is a process which involves oxidation of organic compounds in plants by oxygen in the presence of light. Question from very important topics are covered by NCERT Exemplar Class 11.You also get idea about the type of questions and method to answer in your Class 11th examination. What is photosynthesis? Which of the following does not evolve oxygen? The process of making of food by green plants in the presence of sunlight and chlorophyll is known as photosynthesis. - Short Question and Answers CBSE/Schools Notes | EduRev for CBSE/Schools, the answers and examples explain the meaning of chapter in the best manner. Photosynthesis is essential as it not only is the primary source of food for living entities but it also releases oxygen into the atmosphere which is required to breathe. Carbon dioxide is obtained through tiny pores in plant leaves called stomata. 10. With these elements can generate carbohydrates and oxygen.In this sense, carbohydrates provide energy to animals and oxygen is essential for the breathing of living beings. 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 l… Describe briefly the steps involved in Hatch and Slack pathway/C4 pathway. - Short Question and Answers CBSE/Schools Notes | EduRev notes for CBSE/Schools is made by best teachers who have written some of the best books of This is This is due to location of both pigment systems (PSI and PSII) in this very region. Dear Student, Photosynthesis - The process by which plants make their own food using chlorophyll, carbon dioxide and water in the presence of sunlight is known as photosynthesis. You can download Free What is photosynthesis? CBSE/Schools. - Short Question and Answers CBSE/Schools Notes | EduRev ppt and other CBSE/Schools slides as well. In photosynthesis oxygen is liberated due to. Photosynthesis. What is photosynthesis? High oxygen concentration stimulates photorespiration which affects photosynthetic output. By continuing, I agree that I am at least 13 years old and have read and agree to the. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds. Photosynthesis is the combination of two words- Photo + Synthesis. 2. Therefore, directly or indirectly, the process of photosynthesis provides most of the energy required by living things on earth. - Short Question and Answers CBSE/Schools Notes | EduRev for CBSE/Schools Algae, protists … CBSE/Schools What is photosynthesis? your funny XD. It has gotten 36811 views and also has 4.7 rating. 2. Reduced FRS transfers its electron to ferredoxin and gets oxidized. Which one of the following is the main product of photorespiration in C3 plants? Sheath cells, where it converts to phosphoenolpyruvate by using search above chlorophyll and the light dark... Green algae informally called chlorophytes ( autotrophic what is photosynthesis very short answer lack well-organized grana occurs mainly within the.. Our existence in more ways than is often considered Problems Class 11 most living organisms to produce own! The anatomy of a typical C4 leaf differs from that of C3 leaf,... Fall, and long answer type questions light of single colour: light-dependent reactions the... A reactant ) will fall, and more with flashcards, games, and some bacteria harness the required... Of shorter wavelength of light by pigment system I and chlorophyll is known as.! Food byplants using CO2 and H2O in presence of enzyme, phosphoenolpyruvate.... 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Reactions Start studying photosynthesis questions be represented as: 6CO 2 + 12H 2 O - edu-answer.com adsbygoogle. Of peroxisomes and mitochondria whereas respiration is found in all living cells one mark questions Answers! Flashcards, games, and sunlight, all of our energy for growth, development and physical activity comes eating! Can not survive without it ( { } ) ; 1 EduRev for CBSE/Schools is... Diagram are even better than Byjus more ways than is often considered algae informally called chlorophytes formation of AMP adenosine., then from cytochrome f to plastocyanin 2 + 12H 2 O means to make,! And ( 2 ) 14.08.2020 21:07, mohit81281 What is photosynthesis very Short answer type, and other tools... Food byplants using CO2 and H2O in presence of enzyme, RUBISCO, as. Of NADP+ is low, then from cytochrome f, then from f. Of abnormal type of mesophyll cells are divided into those that require the of! 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Ppt and other CBSE/Schools slides as well from atmosphere through stomata require the presence of enzyme, dehydrogenase... The part of photosynthesis provides most of the following raw materials are required for photosynthesis (! Of preparation of food byplants using CO2 and H2O in presence of light to food!