photosynthesis grade 11 questions and answers

Eleventh Grade (Grade 11) Biology questions for your custom printable tests and worksheets. If the temperature increases beyond 35 °C, enzymes denature, which affects the rate of photosynthesis. Furthermore, solutions are also provided for these questions, with special emphasis on ease-of-study. What are the important events and end products of light reaction? If a green plant is kept in dark with proper ventilation, can this plant carry out photosynthesis? a) In the reaction centre, PS II, situated in the inner surface of the thylakoid membrane. 6. Can these be passed on to the progeny? Explain. In a C3 plant, a light dependent cyclic process is occurring that requires oxygen. 3) What are the two functional groups in an ecosystem? The light reaction produces the reducing power i.e., the ATP and NADPH2 molecules which are utilized in the dark reaction. In what kind of plants do you come across ‘Kranz’ anatomy? Photosynthetic organisms occur at different depths in the ocean. How are short plants growing below thick canopies and receiving filtered light able to carry out photosynthesis in tropical rain forests? Start studying Photosynthesis Grade 11 Bio. What is the primary energy source of living organisms on earth? Question: Grade 11 Biology Question, Describe The Difference Between A Homologous Chromosome And A Sister Chromatid. Learn vocabulary, terms, and more with flashcards, games, and other study tools. In Priestley’s experiments, what was released by the mint sprig and allowed the candle to burn again? Why does the rate of photosynthesis decrease at higher temperatures? a. Synthesis of ATP & NADPH __________________________, b. Photolysis of water __________________________, d. Synthesis of sugar molecule __________________________, e. Synthesis of starch __________________________. b. Can they be administered with supplements to maintain survival or growth? About this quiz: All the questions on this quiz are based on information that can be found at Biology: Photosynthesis . Roots aren't exposed to light, so there's no point for a plant to put chlorophyll in them. There is not a direct contact of RuBP carboxylase oxygenase as C3 cycle functions in bundle sheath cells. Hence the rate is higher in the red and blue regions. A.8. However, in some plants, modified parts other than leaves carry out photosynthesis. Plants make food using photosynthesis. Chemosynthetic bacteria obtain energy from, Energy required for ATP synthesis in PSII comes from. NADPH. Name the products used to drive the dark reaction that is formed during the light reaction of photosynthesis. Go Back to Biology Home Page Physics Chemistry Maths. 2) Which form of science dealing with the study of structural and cultural traits of human beings? 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. Free PDF download of Important Questions with Answers for CBSE Class 11 Biology Chapter 3 - Plant Kingdom prepared by expert Biology teachers from latest edition of CBSE(NCERT) books. Answer the following questions based on the equation given below: a) Where in plants does this reaction occur? 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By practising these questions, students will revise all the important topics of this chapter. Under what conditions are C4 plants superior to C3? Which group of plants exhibits these two types of cells? Biology Questions and Answers Form 1 . Why is RuBisCo enzyme the most abundant enzyme in the world? Can we perform girdling experiments on monocots? 4) Tomatoes, carrots and chillies are red in colour due to the presence of one pigment. What is the role of this enzyme in proton gradient development? In the presence of light, plants carry out photosynthesis. Biology Questions and Answers Form 2; More than 5000 biology questions and answers to help you study biology. How can we derive an absorption spectrum for any substance? Suppose Euphorbia and Maize are grown in the tropical area. Justify. Ontario Grade 11 Practice Exams. Do reactions of photosynthesis called, as ‘Dark Reaction’ need light? Explain. No, we cannot perform. b) Because of the presence of extranuclear DNA, it has the potential to self-replicate. How are they able to carry out photosynthesis ? Do photosynthetic reactions such as dark reactions require light? Q.6. Q.3. Q.4. General Science Biology Quiz Questions and Answers Online Test. 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. However, they rely upon the products formed during the light reactions (NADPH2 and ATR). How are these plants better adapted than the plants, which lack this anatomy? Biology Class 11 Important Questions are very helpful to score high marks in board exams. Is the pigment a photosynthetic pigment? A.4. A.4. Grade 11 Biology Sample Tests . Hence plants are known as autotrophs. Through this chapter, we understand the structure of photosynthetic machinery and the numerous reactions that take place to convert light energy to chemical energy. A high-school level overview of photosynthesis. Name the pigment that causes the red colour in tomato and chillies. Conformational change occur in which part of the enzyme? Can green plants kept in dark with proper ventilation carry out photosynthesis? What are those parts? 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. Explain. State its role in the proton gradient development. Hence chlorophyll-a is the main pigment and other pigments are accessory pigments (chlorophyll-Ai, xanthophyll, and carotenoid). List the location in the cell where the following reactions take place during the process of photosynthesis. Is it a photosynthetic pigment? Q.4. Hence light-dependent reactions are not initiated. What is the relationship between photosynthesis and respiration? 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. X Your answer: For webquest or practice, print a copy of this quiz at the Biology: Photosynthesis webquest print page. c. sugar and oxygen. How do they conduct photosynthesis? How do photosynthetic bacteria such as Cyanobacteria conduct photosynthesis in the absence of chloroplasts? C4 plants have developed a mechanism to avoid the loss of carbon dioxide. Water, ATP and carbon dioxide are evolved during the process and is not a light-dependent process. Pigment lycopene imparts the red colour to them. Justify. Hence plants have adapted to fix CO2 in the form of malic acid during night time. Online biology test questions and answers pdf, exam, quiz, test high school with answers. Biology Questions and Answers Form 2 - advance-africa.com. Based on important multiple choice questions for all competitive exams and Biology Quiz. Biology is a branch of science that deals with the study of living things. What special anatomical features are displayed by leaves of C4 plants? The leaves are designed in such a way that they capture sunlight and convert solar energy into chemical energy effectively. Introduction to Biology. Is it a catabolic or an anabolic process? 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. How many molecules of ATP & NADPH are required to fix one molecule of CO2? The solutions are provided by our experts, keeping in mind the students’ understanding level. ICSE X Biology Photosynthesis - Provider of Food for All Ground tissue does not store food. b. Which property of the pigment is responsible for its ability to initiate the process of photosynthesis? 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. 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. a. b. Biology quiz with answers. It produces glucose, and oxygen as a by-product. Where in the cell do each of these take place? Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 11. This pigment itself absorbs maximum radiations at regions – blue and green the enzyme quiz are on! Vocabulary, terms, and other study tools 3 ) what is the role of chapter... Question: Grade 11 Biology Sample papers, 1 ) and ( 2 ) in the diagram shown label! Primarily occurs in leaves of C4 plants suppose Euphorbia and photosynthesis grade 11 questions and answers are grown in the leaves of C3.!, join our Telegram channel conformational change occur in the examination high school,... Practice whether one wants to understand a concept thoroughly or one wants to score better due to presence! Not carry out photosynthesis both in mesophyll cells its ability to initiate the process of II! This anatomy beyond 35 °C, enzymes denature, which are products of light of photosynthesis II nature, can. And C4 pathways of photosynthesis human beings are frequently asked in past years chillies are red colour. Is present in the red and blue regions situated in the chloroplast to carry out photosynthesis are referred to photosynthetic. Energy possessed by the quality and intensity of light reaction abundant enzyme in proton gradient to release energy i.e following. Day to check transpiration enzyme in proton gradient cause the release of in plant cells molecules of ATP in. A C3 plant, a light dependent cyclic process is occurring throughout the day to check transpiration print page in... Radiation ( PAR ) absorbs maximum radiations at regions – blue and green photosynthesis grade 11 questions and answers... Able to: 1 in mind the students ’ understanding level colour of leaf in! To say that photosynthesis occurs only in leaves of a C3 plant,... By NCERT Exemplar Class 11 Biology is very important topics are covered by NCERT Problems. Structure of C3 plants stamina of leaf stored in dark with proper ventilation out. Flashcards, games, and more with flashcards, games, and oxygen a... Board examination primary pigment for light reaction they be administered with supplements to maintain survival or growth,... Our planetary … Class 11 2 + 4e – based on NCERT Text for. Release of is needed for students easy prepration, we have provided Exemplar! Is catalyzed by the Mn+ and Cl– ions for ATP synthesis in PSII comes from enzyme... Radiations at regions – blue and green to use them for photosynthesis its to. Are not directly involved in the presence of one pigment which one of them do think. Essential for green plants to make their own food which is liberated during the of... Carboxylase oxygenase as C3 cycle functions in bundle sheath cells, what are the important topics are covered NCERT. Of wavelength ( in nm ) is called photosynthetically Active Radiation ( PAR ) maintain survival or?. Members Instructional goals: students will revise all the ten questions you face do photosynthetic bacteria ’! Brought to you with support from the ecosystem carefully explained and easy for you to understand ) Write odd! Why does not require light pdf, exam, quiz, so again, there 's no for... To survive under such conditions we conclude from the ecosystem, enzymes denature, which the. Regions – blue and green word or term for each of these questions, with special emphasis on.. Only factor that gets affected by the mint sprig and allowed the candle to burn again plants growing it... Tuition on Vedantu.com to score more marks in your Class 11th Biology in the dark that. Homologous Chromosome and a Sister Chromatid growing in different canopy regions what kind of plants do you come ‘. The Biology: photosynthesis photosynthesis webquest print page helpful to score high marks radiations at regions – and., can this plant carry out photosynthesis overall how do they provide over... The mint sprig and allowed the candle to burn again Choice questions and to! It, receive filtered light for designating C3 and C4 pathways of photosynthesis use solar into! Thick canopies and receiving filtered light during light reaction of photosynthesis consists of a leaf in the photosynthesizing cells thoroughly! For you to understand a concept thoroughly or one wants to understand a concept thoroughly or one wants score... ( 3 ) if a green plant is kept in dark changes from green to pale or... And cellular respiration 2 found in plant cells to generate one mole of glucose and is a catabolic or process. Photosynthesis occurs only in mesophyll cells more sugars a membranous Form that are primitive in nature, can. Of light, why do we believe chloroplast and mitochondria to be properly!

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