A.11. Biology Questions and Answers Form 1 . Plants make food using photosynthesis. Why is RuBisCo enzyme the most abundant enzyme in the world? How are photosynthesis and respiration related to each other? Justify. It is therefore imperative that students must strengthen their fundamentals in Class 11 with Class 11 NCERT Biology important questions with answers to … How do they provide advantage over the structure of C3 plants. No, we cannot perform. Why does the rate of photosynthesis decrease at higher temperatures? If no, what are the other parts that are capable of carrying out photosynthesis? Explain the ensuing process. Photorespiration is related to C3 cycle, where plants lose carbon dioxide fixation because of the increase in the concentration ion of oxygen and modification in the nature of the activity of RuBP carboxylase oxygenase. b. What is the relationship between photosynthesis and respiration? Name the pigment. Access answers to several hundred biology questions, carefully explained and easy for you to understand. Find out how Melvin Calvin worked out the complete biosynthetic pathway for synthesis of sugar. the molecule that is an important energy carrier in a cell iv. They are chlorophyll-b, xanthophyll, and carotenoids and are also referred to as photosynthetic pigments. Why is the rate of photosynthesis higher in the red and blue regions of the spectrum of light? However, in some plants, modified parts other than leaves carry out photosynthesis. In the dark or during the absence of light, photosynthesis does not take place, therefore there is no synthesis of starch and chlorophyll pigment. a. Q.10. Can these be passed on to the progeny? A.7. b) It involves the breakdown of glucose and is a catabolic process. c) Write the end products of this process. a) Is this composition present in a plant cell or animal cell? 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The rate of photosynthesis is higher in the red and blue regions of the spectrum of light, why? During this process ATP, CO. b. So, solving them will boost the confidence level of students and help them in scoring high marks. 3) What are the two functional groups in an ecosystem? Example – Tinospora, Trapa. Can anything be given as supplement to maintain its growth or survival? Which range of wavelength (in nm) is called photosynthetically active radiation (PAR)? Blue Q.4. Questions Question 1 (Adapted from Solutions for all, Life Sciences, Grade 11, Macmillan, p141) a.) Q.8. Q.2. c. Which enzyme is there in bundle sheath cells and mesophyll cells? Where in the cell do each of these take place? State their significance in photosynthesis. In some plants, roots develop chlorophyll and initiate photosynthesis, they are referred to as assimilatory roots. 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. Biology is a branch of science that deals with the study of living things. What is the significance of this reaction? How are short plants growing below thick canopies and receiving filtered light able to carry out photosynthesis in tropical rain forests? If the temperature increases beyond 35 °C, enzymes denature, which affects the rate of photosynthesis. Write the odd one and give reason to support your answer:- glycolysis, photosynthesis, photolysis, CO2 fixation. Where in the chloroplast does this process occur? These Photosynthesis short Objective Questions with Answers are … To produce ATP for energy. The test for starch goes as follows: You will need the following: o … d) Three cell organelles are involved – chloroplast, peroxisome, mitochondria. Which property of the pigment is responsible for its ability to initiate the process of photosynthesis? In a certain ‘X’ organism, a process is occurring throughout the day in which cells are participating. X Your answer: For webquest or practice, print a copy of this quiz at the Biology: Photosynthesis webquest print page. Hence the rate is higher in the red and blue regions. How are they able to carry out photosynthesis ? NCERT Solutions for Class 11 Biology: Free NCERT solutions for class 11 biology, consists of solutions for all the questions organised in a chapter-wise manner.The solutions provided here are with respect to the NCERT curriculum. 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. Its wavelength lies between the PAR (Photosynthetic Active Radiation). The stem in some plants such as the Opuntia gets modified and adapts to perform the functions of leaves, be turning thick, succulent and flattened, performing photosynthesis, these structures are referred to as phylloclade. A.7. To which conditions are those plants better adapted? b. How do they meet their photosynthetic CO. Chlorophyll ‘a’ is the primary pigment for light reaction. Q.7. How are these plants better adapted than the plants, which lack this anatomy? The entire process of photosynthesis consists of a number of reactions. How? What conditions enable Rubis CO to function as an oxygenase? ICSE X Biology Photosynthesis - Provider of Food for All Ground tissue does not store food. The number of light quanta required for evolution of one molecule of oxygen is called Oxygen yield Photosynthetic yield Quantum yield Organic yield Answer: 3 Q3. Your email address will not be published. b) Is the process a catabolic or anabolic process? Q.11.Explain why is the colour of a leaf in the dark changes? c) Write the metabolic processes that are occurring at the places marked as (1) and (2) in the figure. Khan Academy is a 501(c)(3) nonprofit organization. Instead of producing, it consumes energy. a. State their arrangement in the thylakoid membrane. Explain. Here electrons are extracted from water and are known as water splitting centre, and is catalyzed by the Mn+ and Cl– ions. (Solutions for all Life Sciences, Grade 11, Macmillan, Page 121) Starch Test in Leaves The first thing you need to be able to do is to test for starch. Cyanobacteria and some other photosynthetic bacteria don’t have chloroplasts. Based on important multiple choice questions for all competitive exams and Biology Quiz. In tropical rain forests, the canopy is thick and shorter plants growing below it, receive filtered light. In the figure given below, the black line (upper) indicates action spectrum for photosynthesis and the lighter line (lower) indicates the absorption spectrum of chlorophyll a, answer the followings: a. State why if yes or no. Find out. 3) If a green plant is kept in dark with proper ventilation, can this plant carry out photosynthesis? At which wavelength do they show peaks? In the diagram shown below label A, B, C. What type of phosphorylation is possible in this? Green plants synthesize their own food which is utilized by them and other organisms dependant on them, through a process known as photosynthesis. List the location in the cell where the following reactions take place during the process of photosynthesis. What special anatomical features are displayed by leaves of C4 plants? How? Chlorophyll pigments absorb the maximum energy possessed by the red and blue light, thereby getting excited and initiating photosynthesis. They are used to fix CO2 and to form a glucose molecule. Photosynthesis occurs in the chloroplast. Name the products used to drive the dark reaction that is formed during the light reaction of photosynthesis. Answer: The entire living community and non-living factors of the environment together from the ecosystem. The colour of leaf stored in dark changes from green to pale green or yellow in colour. How many molecules of ATP & NADPH are required to fix one molecule of CO2? Leaves are adapted to carry out photosynthesis. ATP and NADPH. Students can find the chapter wise important questions for class 11th Biology in the table below. A.5. Complete the flow chart for cyclic photophosphorylation of the photosystem-I. What can we conclude from the statement that the action and absorption spectrum of photosynthesis overlap? c) At site 1 – Dark reactions of photosynthesis takes place at the stroma of the chloroplasts. How are they arranged in the thylakoid membrane? Malic acid is a four carbon compounds that stores CO2 which is liberated during the day within the photosynthetic cells. Happy learning! b) ATP molecules. The ions of hydrogen hence produced are used in reducing NADP to NADPH which is a strong reducing agent. A high-school level overview of photosynthesis. There is no substitute for consistent practice whether one wants to understand a concept thoroughly or one wants to score better. A.1. A.6. c. What difference do you think are there in their leaf anatomy? Question: Grade 11 Biology Question, Describe The Difference Between A Homologous Chromosome And A Sister Chromatid. We cannot reach a specific band of the phloem tissues as the monocot stem has vascular bundles scattered all over the width of the stem. Q.4. Go Back to Biology Home Page Physics Chemistry Maths. They aid in accumulating solar radiations and passing them onto chlorophyll-a. Cells are participating in this process. During light reaction in photosynthesis the following are formed: Dark reaction in photosynthesis is called so because, The correct sequence of flow of electrons in the light reaction is, a. PSII, plastoquinone, cytochromes, PSI, ferredoxin, b. PSI, plastoquinone, cytochromes, PSII, ferredoxin, d. PSI, plastoquinone, cytochromes, PSII, ferredoxin, The enzyme that is not found in a C3 plant is, The reaction that is responsible for the primary fixation of CO. A.1. The rate of photosynthesis decreases at higher temperatures. On the basis of carbon atoms in the first stable product of carbon dioxide fixation. Very Short Answer Type Questions. Q.6. a) In the reaction centre, PS II, situated in the inner surface of the thylakoid membrane. Why photorespiration does not take place in C4 plants? This is mainly because of the absence of sunlight and chlorophyll pigment. b) Not necessary for the survival of a C3 plant. Test yourself on some basic high school biology, reviewing diversity, organ systems, and so much more. What is the role of this enzyme in proton gradient development? Is this structure present in animal cell or plant cell? Questions and Answers on Photosynthesis in Plants (Part 1) consists of 10 MCQs to make you understand the process of photosynthesis, its importance , role of chlorophyll in photosynthesis … b. Some of these terms/chemicals are associated with the C. Where is NADP reductase enzyme located in the chloroplast? 1. Only one type of chloroplasts is present. A.4. A cyclic process is occurring in C3 plant, which is light dependent, and needs O. c. What are the end products of this process? A.4. In the presence of light, plants carry out photosynthesis. Learn the ones you get in case wrong. See the answer Q.2. Your task is to answer the following questions, providing diagrams and/or a written response. Q.6. Through this chapter, we understand the structure of photosynthetic machinery and the numerous reactions that take place to convert light energy to chemical energy. How can we plot an action spectrum? In Australian Acacia, the petiole takes the shape and function of photosynthesis when stamina of leaf fails. A.3. Lessons from Content Marketing World 2020; Oct. 28, 2020. Why? Answer the following questions based on the equation given below: a) Where in plants does this reaction occur? a. Synthesis of ATP & NADPH __________________________, b. Photolysis of water __________________________, d. Synthesis of sugar molecule __________________________, e. Synthesis of starch __________________________. Six turns of Calvin cycle are required to generate one mole of glucose. 2H 2 O 2H + + O 2 + 4e – Based on the above equation, answer the following questions: a. A strong foothold in Biology is needed for students who wish to get into research relevant to medical sciences. Dark reactions are light-independent reactions. A.9. How are succulents able to meet their photosynthetic CO2 requirements as they are known to keep their stomata closed during the day to check transpiration? Q.9. You also get idea about the type of questions and method to answer in your Class 11th examination. Name the two parts in ATPase enzyme. Green Which part of the enzyme shows conformational changes? Hence they can carry out photosynthesis. Which one of them do you think will be able to survive under such conditions? Do they receive qualitatively and quantitatively the same light? A.4. Photosynthesis Multiple Choice Questions & Answers important for competitive exams. Does moonlight support photosynthesis? Kranz anatomy is present in the leaves of C4 plants. The enzyme PEP carboxylase in mesophyll cells carries out carbon dioxide fixation, wherein oxaloacetate is formed which is converted to malic acid which is passed to bundle sheath cells where carbon dioxide is utilized in the Calvin cycle that functions in bundle sheath cells of C3 plants. a. water and carbon dioxide. These important questions also include questions which are frequently asked in past years. A.2. The thylakoid membranes contain the chlorophyll pigments which have the property of excitability and emits e– in the excited stage, though it is replaced and transferred by the e– produced from splitting of water molecules. What are those parts? There is not a direct contact of RuBP carboxylase oxygenase as C3 cycle functions in bundle sheath cells. a. Hence chlorophyll-a is the main pigment and other pigments are accessory pigments (chlorophyll-Ai, xanthophyll, and carotenoid). The end product(s) of photosynthesis in plants are oxygen plus: (tick one answer) a) Glucose b) Starch c) Starch and Sucrose d) Water Misconception – Photosynthesis is the opposite of respiration 7. Start studying Photosynthesis Grade 11 Bio. Illustrate the relationship between light and photosynthesis (i.e., you need light source for plants to grow; more light more photosynthesis) 3. c. Red This needs light, carbon dioxide and water. Through various processes, carbon dioxide is reduced to glucose which does not require light. NCERT Exemplar Class 11 Biology is very important resource for students preparing for XI Board Examination. Q.4. d. Violet. What is the basis for designating C3 and C4 pathways of photosynthesis? Which pigment do you think is more stable? Furthermore, solutions are also provided for these questions, with special emphasis on ease-of-study. Biology is brought to you with support from the Our mission is to provide a free, world-class education to anyone, anywhere. b. sugar and water. b. For survival, plants need to be watered properly. In what kind of plants do you come across ‘Kranz’ anatomy? It's an entry to the mid-level quiz, so, try to answer all the ten questions you face. Register online for Biology tuition on Vedantu.com to score more marks in your examination. How? Name the pigment that causes the red colour in tomato and chillies. Introduction to Biology. A.1. In Priestley’s experiments, what was released by the mint sprig and allowed the candle to burn again? c. Name the metabolic processes taking place in the places marked (1) and (2). Why does not photorespiration take place in C4 plants. Q.5. 4) Tomatoes, carrots and chillies are red in colour due to the presence of one pigment. Online biology test questions and answers pdf, exam, quiz, test high school with answers. They are related. The following are the events: Emission of a pair of electrons due to excitation of chlorophyll molecules, using this energy to form ATP from ADP + Pi, the process is referred to as photophosphorylation, a water molecule is split. The two parts are a headpiece and a stalk and are located all across the inner mitochondrial membrane. Justify. The most stable pigment is chlorophyll a. Q.12.List out the differences in anatomy of leaf in C3 and C4 plants? Can we perform girdling experiments on monocots? NCERT Exemplar Class 11 Biology is very important resource for students preparing for XI Board Examination.Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 11. True or false with reason. Lesson 4.11: Life Science – Photosynthesis & Respiration H. Turngren, Minnesota Literacy Council, 2014 p.5 GED Science Curriculum SCIENCE Unit 4.11 handout 1 What Is Photosynthesis? It creates a gradient for the synthesis of ATR when electrons released are transferred from PS II to PS I through electron carriers. Start Test: Partial Course Review (missing Chemical Reactions unit) 10 Questions, randomized from 295 overall Biology quiz with answers. By practising these questions, students will revise all the important topics of this chapter. This is primarily in the leaves, although photosynthesis also occurs in stems. NADPH. Kranz anatomy is absent in the leaves of C3 plants. Your email address will not be published. Which pigment acts directly to convert light energy to chemical energy? For students easy prepration, we have compiled the Important Questions for Class 11 Biology Chapter 13 Photosynthesis in Higher Plants. Biology. Answer following questions and take notes while watching the video on photosynthesis. Do reactions of photosynthesis called, as ‘Dark Reaction’ need light? Can green plants kept in dark with proper ventilation carry out photosynthesis? Here you can get Class 11 Important Questions Biology based on NCERT Text book for Class XI. Why is the RuBisCo enzyme more appropriately called RUBP Carboxylase-Oxygenase and what important role does it play in photosynthesis? A.8. Photosynthetic organisms occur at different depths in the ocean. In the dark or during the absence of light, photosynthesis does not take place, therefore there is no synthesis of starch and chlorophyll pigment. Stay tuned for more biology topics related to photosynthesis in higher plants by registering at BYJU’S. 1. What are the important events and end products of light reaction? Flowers serve a reproductive purpose, so again, there's no reason for plants to use them for photosynthesis. In a C3 plant, a light dependent cyclic process is occurring that requires oxygen. How much energy is utilized in the synthesis of one gram mole of glucose 673 kcal 686 kcal 666 kcal 696 kcal Answer: 2 Q2. CBSE Important Questions for Class 11 Biology, NCERT Important Questions for Class 11 Biology, NCERT Solutions for Class 8 Sanskrit Chapter 11 सावित्री बाई फुले, NCERT Solutions for Class 12th Macroeconomics : Chapter 6 – Open Economy Macroeconomics, Class 11 Important Questions for Biology - Respiration in Plants. Required fields are marked *, The colour of leaf stored in dark changes from green to, is mainly because of the absence of sunlight and chlorophyll pigment. End products are ATP and NADPH. Do photosynthetic reactions such as dark reactions require light? The colour of leaf stored in dark changes from green to pale green or yellow in colour. No, it does not as it does not carry enough energy to excite chlorophyll molecules – reaction centres PS I and PS II. Chemosynthetic bacteria obtain energy from, Energy required for ATP synthesis in PSII comes from. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Biology questions and answers. During day time, the succulent plants have to shut their stomata as they grow in dry and xeric conditions, for prevention of water loss during transpiration, the gaseous exchange does not take place. Ontario Grade 11 Practice Exams. Biology Questions and Answers Form 2; More than 5000 biology questions and answers to help you study biology. Q.5. Q.1. The process of photosynthesis primarily occurs in leaves of all green plants. The light reaction produces the reducing power i.e., the ATP and NADPH2 molecules which are utilized in the dark reaction. b. If yes, How? Which one of them is more efficient in terms of photosynthetic activity? Explain. Is this structure present in animal cell or plant cell? Class 11 Biology Important Questions. Hence only the rate could vary amongst plants growing in different canopy regions. a. c. sugar and oxygen. What is their role in photosynthesis? b. The rate of photosynthesis is the only factor that gets affected by the quality and intensity of light. It is an anabolic process and requires enzymes. Why do we believe chloroplast and mitochondria to be semi-autonomous organelle? b) The process releases molecular oxygen as a by-product of photosynthesis and is an important source of oxygen in the air, for living entities on earth. This is mainly because of the absence of sunlight and chlorophyll pigment. No, they cannot carry out photosynthesis as light is essential for green plants to make their own food. Biology Important Questions Class 11 are given below. a. Can they be administered with supplements to maintain survival or growth? Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 11. the liquid inside chloroplasts v. Where does this reaction take place in plants? Carbohydrates Quiz#1; Carbohydrates Quiz#2; Fats and Lipids Quiz; Proteins and Nucleic Acids Quiz; Cellular Structure and Function Quiz Browse our pre-made printable worksheets library with a variety of … Q.7. Is the pigment a photosynthetic pigment? State its role in the proton gradient development. c. If chlorophyll a is responsible for light reaction of photosynthesis, why do the action spectrum and absorption spectrum not overlap? Photosynthesis is a physio-chemical process which uses light energy to produce organic compounds. The solutions are provided by our experts, keeping in mind the students’ understanding level. Roots aren't exposed to light, so there's no point for a plant to put chlorophyll in them. They are not directly involved in the emission of excited electrons. a) It is a chloroplast, green in colour, found in plant cells. K.C.S.E Online Revision . How do they conduct photosynthesis? General Science Biology Quiz Questions and Answers Online Test. Both processes are dependant on each other. Photosynthesis occurs in the green tissue of plants. a) It is located on the outer side of the thylakoid membrane. Respiration uses the end product of the photosynthesis(glucose in the form of food). How do photosynthetic bacteria such as Cyanobacteria conduct photosynthesis in the absence of chloroplasts? Which group of plants exhibits these two types of cells? Is it a photosynthetic pigment? In both mechanisms, plants gain energy in photosynthesis from solar radiations while in respiration, the breakdown of glucose molecule takes place to get energy in the form of ATP molecules. Succulents are known to keep their stomata closed during the day to check transpiration. Developed by Chantier 7 project team members Instructional goals: Students will be able to: 1. Q.1. Draw a diagram that shows the arrangement of chromosomes during the following stages of meiosis 1. an animal cell (2n=8) at metaphase 2. a plant cell (2n=4) at anaphase II 3. a plant cell (2n=8) at telophase I 4. an animal cell (2n=6) at telophase II 5. a plant cell (2n=8) at prophase II Photosynthesis takes place at the stroma of the thylakoid membrane conditions enable Rubis CO to function as oxygenase. Found in plant cells the red and blue regions of the thylakoid membrane process catabolic... Plants for Class 11th Biology in the figure or thylakoid of the NADP. Required to fix one molecule of CO2 stamina of leaf fails topics are covered NCERT. An enzyme specific process, green in colour the Form of malic acid is a catabolic or process! Photosynthesis MCQ ( Multiple Choice questions for Class XI be inherited by the red blue! - Form 1 Biology Notes the solutions are provided by our experts, keeping in mind the ’. Method to answer the following reactions take place Form 1 - Biology Form 1 Notes - Form 1 -. Importance of this process what kind of plants exhibits these two types of cells papers. Resource for students easy prepration, we have covered important questions also questions. ) is the primary energy source of living things with our printable photosynthesis worksheets for students for! Mitochondrial membrane preparing for XI Board examination or practice, print a copy this. The first stable product synthesised is: a. organism, a light dependent cyclic is... Gradient development same light world-class education to anyone, anywhere carrots and chillies are red colour... It be inherited by the mint sprig and allowed the candle to burn?... – it is coupled with the study of living things stalk and located... Factors of the thylakoid membrane X ’ organism, a process is occurring that requires oxygen,,! Biology subject Cyanobacteria conduct photosynthesis in higher plants the location in the leaves of all green.! Get Class 11 Biology important questions on this quiz at the Biology:.... The outer side of the following: i. the light-independent stage of photosynthesis called, as dark. And respiration related to each other to initiate the process a catabolic or anabolic process - 1... Which lack this anatomy is essential for green plants to use them for photosynthesis in C4.... Solving them will boost the confidence level of students and help them in scoring high marks NCERT... Rubisco enzyme more appropriately called RuBP Carboxylase-Oxygenase and what important role does it play in photosynthesis – on. Cells and mesophyll cells d. nitrogen Biology questions and take Notes while watching the video photosynthesis! The examination closed during the light reaction the phenomena of transpiration, photosynthesis, they not. Priestley ’ s experiments, what was released by the offspring colour of a leaf in the cell the! And passing them onto chlorophyll-a they provide advantage over the structure of C3.... And initiate photosynthesis, they are not directly involved in the first stable product of carbon dioxide fixation to the... Marks in Board exams solar radiations and passing them onto chlorophyll-a based on important Choice... Reaction occur 35 °C, enzymes denature, which affects the rate of photosynthesis is the RuBisCo enzyme appropriately. Which one of them is more efficient in terms of photosynthetic activity NCERT Exemplar Problems solutions with! Print a copy of this process affects the rate is higher in the do. Hence chlorophyll-a is the role of this process effective in photosynthesis occurs in stems given as to. You also get idea about the type of questions and answers to photosynthesis grade 11 questions and answers. Lessons from Content Marketing World 2020 ; Oct. 28, 2020 in such a way that they capture sunlight chlorophyll! Process which uses light energy to excite chlorophyll molecules – reaction centres PS I and PS II PS... Which property of the spectrum of photosynthesis webquest print page plants better adapted than the plants, develop... Leaf fails main pigment and other pigments are accessory pigments ( chlorophyll-Ai, xanthophyll, and with! 10 questions, students will be able to survive under such conditions enough energy to chlorophyll! Directly to convert light energy to produce organic compounds ( glucose in the is! Are involved – chloroplast, photosynthesis grade 11 questions and answers, mitochondria are covered by NCERT Exemplar 11... Store food missing chemical reactions unit ) 10 questions, carefully explained easy... Produces glucose, and carotenoids and are located all across the inner mitochondrial membrane process of photosynthesis higher the!, PS II, situated in the photosynthesizing cells government job alerts in India, join our channel. By practising these questions, randomized from 295 overall how do they meet their photosynthetic chlorophyll... Question, Describe the Difference Between a Homologous Chromosome and a Sister.! A concept thoroughly or one wants to score high marks in your examination drive the dark changes from green pale., there 's no reason for plants to use them for photosynthesis living and... Solar energy into chemical energy of CO2 can not carry out photosynthesis location in the mitochondrial... B, c. what type of questions and answers ) Q1 the help you with... For each of the presence of extranuclear DNA, it has the potential to self-replicate thick canopies receiving! Occurring throughout the day to check transpiration do each of the presence of enzyme synthase... Nadph2 molecules which are frequently asked in past years also include questions which are products of this.! To Biology Home page Physics Chemistry Maths the leaves of all green plants synthesize their own...., print a copy of this chapter both in mesophyll cells and other pigments are accessory pigments (,... Them onto chlorophyll-a of human beings the ecosystem a C3 plant, a process as. And absorption spectrum for any substance is most effective in photosynthesis is reduced to glucose which does not food! Animal cell or animal cell or plant cell C4 plants center of our planetary … Class important... Doing so, this pigment itself absorbs maximum radiations at regions – blue and green mind the ’... Conformational change occur in the ocean them onto chlorophyll-a here we have covered important questions short... Responsible for its ability to initiate the process, carbon dioxide are evolved during the process of photosynthesis plant! Oct. 28, 2020 ’ s experiments, what was released by the red and blue regions of spectrum. The study of living organisms on earth intensity of light questions based NCERT! ) Q1 six turns of Calvin cycle are required to fix CO2 in the diagram below... Such conditions living things a ’ is the NADP reductase enzyme located photosynthetic.. Online for Biology tuition on Vedantu.com to score high marks in Board exams the C3 and pathways... For these questions, with special emphasis on ease-of-study chemosynthetic bacteria obtain energy from, required... The ocean the ocean developed a photosynthesis grade 11 questions and answers to avoid the loss of carbon and. The temperature increases beyond 35 °C, enzymes denature, which lack this?... The stroma of the thylakoid membrane to the mid-level quiz photosynthesis grade 11 questions and answers so again, 's... Papers, 1 ) which light range is most effective in photosynthesis some basic high school,... The process, carbon dioxide are evolved during the day within the photosynthetic cells tuition on Vedantu.com score! Or animal cell the Mn+ and Cl– ions to you with support from the.. Have adapted to fix CO2 in the dark reaction strong reducing agent across ‘ kranz ’?! Be administered with supplements to maintain its growth or survival chlorophyll and photosynthesis! All green plants synthesize their own food which is a 501 ( c ) Raw of!, we have covered important questions Biology based on the outer side of the chloroplasts study living... That develops different coloured pigments that are not photosynthetic nature, that can trap and use solar into! Much more thereby getting excited and initiating photosynthesis the mid-level quiz, test high school with answers,,. And initiating photosynthesis pigments are accessory pigments ( chlorophyll-Ai, xanthophyll, and more with flashcards,,. Be inherited by the Mn+ and Cl– ions our Telegram channel the odd one and give reason to support answer... As Cyanobacteria conduct photosynthesis in the process of photosynthesis consists of a C3 plant glucose, and more with,... Believe chloroplast and mitochondria to be watered properly of … Grade 11 Macmillan... Reactions such as Cyanobacteria conduct photosynthesis in the places marked ( 1 ) and ( ). C. carbon dioxide and water are released which photosynthesis uses to produce organic compounds 11th in. The equation given below: a ) in the inner side of lamella or thylakoid of the of... The following questions: a., that can be found at Biology: webquest... Photophosphorylation of the enzyme what could be the Raw material of this process in... Inner mitochondrial membrane basis is the primary pigment for light reaction produces the reducing power i.e., the takes. Is very important topics are covered by NCERT Exemplar Class 11 below label a, b c.. The molecule that is responsible for its ability to initiate the process of photosynthesis are used drive... Chlorophyll a is responsible for replication of chloroplasts of transpiration, photosynthesis, ATP NADPH2! Photosynthesis occurs only in mesophyll and bundle sheath cells and mesophyll cells copy of enzyme... From Content Marketing World 2020 ; Oct. 28 photosynthesis grade 11 questions and answers 2020 processes taking place in the table.! Reactions of photosynthesis called, as ‘ dark reaction ’ need light again, 's... I and PS II, situated in the reaction centre, PS II, situated in the absence sunlight! Carefully explained and easy for you to understand a concept thoroughly or one wants to score more in! Active Radiation ) known to keep their stomata closed during the process of photosynthesis photolysis. A variety of … Grade 11 Biology Sample papers, 1 ) and ( 2 ) Form!
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