Biology respiration notes form 2. ATP has 1 ribose, while NAD has 2.

Chapter 7: Cellular Respiration. Learn; Quick Notes; Chapter 1 : Chapter 7 : Cellular Respiration . L. Available for different examination years and forms. gaseous exchange and respiration For the preparation of national and local exams, get the entire biology Form 2 syllabus for free. Answer all the questions. Explain the necessity of transport in plants. b) leaf narrow Araicaria. Respiration is enzyme-controlled. nutrition. Join Kenya's Largest Teachers Telegram Group with Over 80K Teachers FORM 1-4 CLASS 7-8 GRADE 1-6 PP1-PP2 KASNEB PTE. WWTBAM 2 i Quiz 1 i Quiz 2 i Quiz EQ Experiment Pre Expt Qs: Post Expt Qs : Respiration EQ Respiration Procedure: Respiration Visual: Respiration T & S Notes Experiment Tip Web Link Neok12 A selection of activities on respiration TES Respiration activity and lesson plan BBC Simple treatment of respiration Anaerobic respiration is represented by the equation: Word equation for anaerobic respiration in animals – some bacterial cells respire in this way too. Chapter 4: Chemical Composition in a Cell. BIOLOGY FORM ONE SUMMARIZED NOTES Biology Form one to four exams, notes and revision materials BIOLOGY FORM FOUR SUMMARIZED NOTES BIOLOGY FORM TWO SUMMARIZED […] Dec 31, 2021 · Aerobic respiration results in the formation of simple inorganic molecules, water and carbon (Iv) oxide as the by-products. Contents1 Respiration in Plants Class 11 Notes Biology Chapter 141. Biology means “life knowledge”. Learn conveniently at your own pace anytime using your computer or phone. comXI Biology 1 Revision Notes Class - 11 Biology Chapter 14 - Respiration in Plants The process in which oxygen along with the complex organisms combine and break down to form simpler substances and result in the release of energy is called respiration. These biology form 2 notes are aggregated from the various high school approved text books, including KLB biology form 2, Finder biology form 2, etc. b) leaf net-veined go to 3. Get high quality Form 2 Biology video lessons created by professional teachers in Kenya. (2 marks)    Explain why the body temperature of a healthy human being must rise Respiration is. ) Gaseous exchange occurs in the root hair of young terrestrial plants. This can be represented by the following equation. In this process, the energy (ATP-Adenosine triphosphate) is produced by the breakdown of glucose which is further used by cells to perform various functions. Human Influences on Ecosystems. NAD can now be reused in glycolysis. Briefly describe the role of Osmosis in living organisms (10 mks) Explain 5 factors affecting the rate of breating in human beings. Form 2 Biology End of Term 2 Examination 2023. Much less energy is released for each THE UNITED REPUBLIC OF TANZANIA NATIONAL EXAMINATIONS COUNCIL OF TANZANIA FORM TWO NATIONAL ASSESSMENT. 0 Respiration (18 Lessons) 9. Introduction. 1) Conceptualise energy production from glucose during aerobic respiration in cells. TOPIC 4 : EXCRETION AND HOMOESTASIS – Click to view. Fi Respiration is a chemical process that involves the breakdown of nutrient molecules (specifically glucose) in order to release the energy stored within the bonds of these molecules. These substances must be transported to the cells. Permanent slides of roots, microscope, wallchart. 1 Energy for the CIE A Level Biology syllabus, written by the Biology experts at Save My Exams. We would like to show you a description here but the site won’t allow us. In this instance, as much glucose as possible is OCR Module 5 Energy essential notes 5. Form 2 Biology End of Term 2 Examination 2022. It is vital in linking energy-requiring and energy-yielding reactions. Biology Notes Form 2. 21. 0 Gaseous Exchange (36 Lessons) 8. In this session, questions on gaseous exchange will be solved. Nov 17, 2016 · In the case of alcoholic fermentation, pyruvic acid undergoes an additional step in which it loses an atom of carbon in the form of CO 2. A small amount of ATP is produced. TOPIC 2 : GASEOUS EXCHANGE – Click to view. It is a biochemical process that occurs within the cells of organisms. Link surface area to volume ratio of organisms to the transport system of the organism. Available on Your Google Play Store : https://bit. The biology questions and answers cover the following chapters; Transport in plants and animals, Respiration, Gaseous exchange in plants and animals, excretion and homeostasis. The ATP provides energy for cells. 6 days ago · State one adaptation of the animals that uses the mode of feeding above. It stores biochemical energy within adenosine triphosphate (ATP) molecules. May 5, 2021 · 7. Each molecule of ATP consists of adenine, a ribose sugar and three phosphates. Heterotrophs don’t have this ability; they require a supply of pre-made Download new updated notes for form 2 biology, respiration from the new books approved by KICD. a crucial chemical reaction which has to take place in every cell of the body. 3. Relate the internal structure of a root to its functions. A-Level Biology notes chapter 12: respiration 12. 35 Video Lessons. (2mks) State four ways in which respiratory surfaces are suited to their function. EVALUATION. Form 2 Biology End of Term 3 Examination 2021. Attempt Form 2 Biology questions on Transportation in Plants, Transportation in Animals, Gaseous Exchange in Plants, Gaseous Exchange in Animals (respiration), Excretion, Homeostasis. 8 Anaerobic Respiration for the CIE A Level Biology syllabus, written by the Biology experts at Save My Exams. 6: The structure of a mitochondrion is defined by an inner and outer membrane. The process of taking in oxygen into the body and carbon (IV) oxide out of the body is called breathing or ventilation. Both have ribose sugars. All living cells require oxygen and food for various metabolic processes. May 5, 2020 · This form of respiration occurs in the cytoplasm of cells and occurs without the presence of oxygen. As the oxidation of glucose is incomplete in anaerobic respiration much less energy is transferred than in aerobic respiration. Gaseous exchange. Passing on of electrons removed as part of H-atoms to molecular O2 with simultaneous synthesis of ATP. During inhalation the muscles of the diaphragm Contract, pulling the diaphragm downwards; As Anaerobic respiration mainly takes place in muscle cells during vigorous exercise. Gaseous exchange involves passage of oxygen and carbon (IV) oxide through a respiratory surface by diffusion. Prepare for your exams with in-depth practice and revision materials covering various topics. 4 Oxidative Decarboxylation of Pyruvic Acid Respiration in Plants Class 11 Biology Notes Chapter 14 Pdf free download was designed by expert teachers from the latest edition of NCERT books to get good marks […] Lára has a particular interest in the area of infectious disease and epidemiology, and enjoys creating original educational materials that develop confidence and facilitate learning. b) leaf with many lobes (compound) Grevellea. Air moves by bulk flow — from the region with high pressure to the region with low pressure. It is the means by which cells convert organic molecules, primarily glucose, into adenosine triphosphate (ATP) – the universal currency of cellular energy. Sep 15, 2020 · The crucial events in aerobic respiration are: Complete oxidation of pyruvate by stepwise removal of all the hydrogen atoms, leaving 3 CO2 molecules. Nitrogenous waste and carbon (IV) oxide are highly concentrated in the organism hence they diffuse out. The biology topical revision questions with answers cover various topics, as shown below. (4mks) A dog weighing 15. 2) Aerobic respiration 7. Answer all questions in sections A and B and one (1) question from section C. BIOLOGY TOPICAL QUESTIONS AND ANSWERS. Time 2:30 Hours Year : 2021. Jul 15, 2024 · BIOLOGY FORM 2 TOPIC PAGE TRANSPORT IN PLANTS 2 TRANSPORT IN ANIMAL 16 GASEOUS EXCHANGE 45 RESPIRATION 66 EXCRETION AND HOMEOSTASIS 82 Also read. Questions and answers include; Jul 21, 2021 · In what form is energy stored in muscles? (1mk) State the economic importance of anaerobic respiration in plants. 2. Produced: 2 Pyruvate, 2 NADH, 2 ATP. Description. Step 3. Form 2 Biology End of Term 3 Examination 2022. BIOLOGY - RESPIRATION AND GASEOUS EXCHANGE. KSh 50. Respiration. BIOLOGY FORM 2 NOTES KCSE – BIOLOGY FORM 2 NOTES 6. Chapter 2: Cell Biology and Cell Organisation. · Biology Form 2 Notes : EXCRETION AND HOMEOSTASIS · Biology Form 2 Notes : GASEOUS EXCHANGE IN PLANTS(Respiration) AND ANIMALS · Biology Form 2 Notes : Syllabus and Complete summary concepts · Biology Form 2 Notes : TRANSPORT IN PLANTS AND ANIMALS. 1 a) leaf broad go to 2. Pages 1-2. Cellular respiration is a fundamental biochemical process that occurs in all living cells, from the tiniest bacteria to the most complex multicellular organisms. The resulting intermediate molecule, called acetaldehyde, is then reduced to produce NAD+ plus ethyl alcohol. BOOK 2. Explain what happens when diaphragm muscles contract during breathing in Secondary, Biology: Biology. 6 5. This is the oxidation/breakdown of food within cells to release energy. Biology derived from Greek words-BIOS meaning LIFE and LOGOS meaning STUDY or KNOWLEDGE. 2 – Respiration. Pyruvate is the hydrogen acceptor. Class: Form 2 Topic 2: Gaseous exchange in plants and animals. Energy released during the reactions of respiration is transferred to the molecule adenosine triphosphate (ATP) ATP is a small and soluble molecule that provides a short-term store of chemical energy that cells can use to do work. By the end of form two work, the learner should be able to: Define the term transport List substances transported in plants and animals Link surface area to volume ratio of organisms to the transport system of the organism Explain the necessity of transport in plants Draw the structure of roots and root Aug 6, 2021 · Respiration is a metabolic process that occurs in all organisms. 3 a) leaf with one lobe (simple) go to 4. Respiration can take place with oxygen ( aerobically) or without oxygen ( anaerobically ). Biotechnology & Genetic Modification. Excretion in Plants. It was found that the blood sugar regulation remained normal while food digestion was impaired. Anaerobic respiration takes place without the need of oxygen. 6 days ago · K. where, Patm, is the atmospheric pressure and Palv is the alveolar pressure. Add to cart. Transport is the movement of substances within an organism. The Need for Cellular Respiration. Carbon dioxide and water are produced as waste products as well as releasing useful cellular energy. Glucose + Oxygen =. Buy Now. This energy can be used in a variety of processes including: Muscle contraction Protein synthesis. Jul 15, 2024 · Jul 15, 2024. Aerobic respiration takes these processes to another level. Reference. FORM TWO BIOLOGY. Both have adenine base. A lot of energy is produced. It is. In this pathway reduced NAD transfers hydrogen to pyruvate to form lactate. Types and Characteristics of Respiratory surfaces. They have chitin in their cell wall 2. glucose + oxygen → carbon dioxide + water (+ energy) C6H1206 + 6 O2 → 6 CO2 + 6 H20 (+ 2870kJ) Autotrophs are organisms that are able to synthesise their own usable carbon compounds from carbon dioxide in the atmosphere through photosynthesis. Aerobic respiration is the process of breaking down a respiratory substrate in order to produce ATP using oxygen; The equation for aerobic respiration: glucose + oxygen → carbon dioxide + water + energy. They contain objectives of the topic. Revision notes on 12. Apr 22, 2020 · BIOLOGY KSSM FORM 4CHAPTER 77. It diffuses from root hair cells into the cortex where it is used for respiration. 1 Biotechnology & Genetic Modification. 8 Anaerobic Respiration for the AQA A Level Biology syllabus, written by the Biology experts at Save My Exams. B. Access a comprehensive collection of KCSE Biology topical questions and answers from Atika School. Mr C Biology offers you comprehensive notes, diagrams, quizzes and videos to help you understand this topic and ace your exams. May 16, 2024 · Aerobic respiration is the cellular respiration process that occurs in the presence of oxygen. breathing gets. The second stage of cellular respiration, the Krebs cycle, takes place in the matrix. Categories: Form 2 Topical Notes, Secondary School, Secondary School Notes, Secondary Topical Notes. The answers will be provided in video format. Pyruvate is reduced to lactate by enzyme lactate dehydrogenase. Included also are biology essay questions and answers. Form 4 Biology Notes. 20. Inhalation is breathing in air into the lungs. Homeostasis is a self-adjusting mechanism to maintain a steady state in the internal environment. Jul 21, 2021 · Questions Discuss how gaseous exchange occurs in Terrestrial Insects (9mks) Bony fish (11mks)    Explain how mammalian lungs are adapted for gaseous exchange. Chapter 5: Metabolism and Enzymes. Name the apparatus (1mk) Suggest the use of the apparatus. The sole reactant (or substrate, since the reaction is catalyzed by enzymes in the cytoplasm) of the reaction is the organic compound (glucose), and the products will usually be carbon dioxide, considerably less energy than what is released in aerobic respiration (about 2 ATP), and another Biology Form 4 Notes. Chapter 9 : Apr 14, 2020 · Internal (Tissue) Respiration ; This is the oxidation of food substances within the cells leading to the release of energy, carbon(IV)oxide, and water. At the end of the biology form 2 notes, we have added practice questions with diagrams to test your mastery of the chapters you have covered. C 6 H 12 0 6 + 6 O 2 → 6 CO 2 + 6 H 2 0 + 2870kJ Define respiration. It yields energy (ATP) which enables organisms to move, grow, excrete and reproduce. Transport dissolved food substances round the body. 0. Respiration is also the process of making ATP rather than breaking it down. There are two types of respiration, aerobic and anaerobic. Apr 14, 2020 · This entails two phases namely external and internal respiration External Respiration (Breathing) This is the taking in of oxygen (inspiration or inhalation) and giving out of C0 2 and water vapour (expiration or exhalation). They reproduce using spore 6. December 29, 2022 MJ. Discuss functions of the labeled parts. They are heterotrophs, some are saprophytic where others are parasitic 4. Study the diagram below. 2 Topic 2 Respiration: The Mechanism1. oxygen into our bloodstream and gets rid of carbon dioxide. Read the notes online in form of PDF. It uses glucose and releases energy to provide the power for cell activity. Every living species, from a single-celled organism 6 days ago · Show the steps (number and letter) in the key that you followed to arrive at the identify of the specimen. vedantu. Exhalation is breathing out air from the lungs. This is made possible by the oxygen taken in through the breathing process. 1 Human Impact: Biodiversity, Pollution & Conservation. Oct 8, 2023 · The four main steps of aerobic respiration are glycolysis, pyruvate decarboxylation (link reaction), the Krebs cycle (Citric Acid Cycle or Tricarboxylic Acid Cycle), and the electron transport chain with oxidative phosphorylation. 1. The final product lactate can be further metabolised. Oxygen in the air spaces in the soil dissolves in the film of moisture surrounding soil particles and diffuses into the root hair along a concentration gradient. It occurs on the inner membrane of mitochondria. 0 Transport in Plants and Animals (52 Lessons) 7. Respiration usually occurs with the presence of oxygen (aerobic respiration), although it can occur in the absence of The space enclosed by the inner membrane is called the matrix. Consumed: Glucose, 2 NAD +, 2 ADP + 2 Pi. (1mk) SECTION C. Word equation for aerobic respiration. These Biology notes follows the Kenya Certificate of Secondary Education Biology Form 4 syllabus. Figure 5. Describe the processes in the cell that require energy. Active transport (carrier proteins, endocytosis and exocytosis) Anabolic reactions (biosynthesis reactions such as DNA replication, transcription and translation) Schemes of Work 2024. 2 0. The energy that is released during the process is used to phosphorylate (add a phosphate) ADP to form ATP; The ATP provides energy for other biological processes in cells; The process of aerobic respiration using glucose can be split into four stages: Glycolysis; The Link reaction; The Krebs cycle Dec 29, 2022 · BIOLOGY FORM 2 NOTES. Instructions. Used in glycolysis / anaerobic respirations. Chapter 8 : Respiratory System in Humans and Animals . Download these free notes in pdf/word formats and use them in your Biology class during teaching and/or revision. 2) Write a word equ The functions of plasma include: Transport of red blood cells which carry oxygen. It is the respiratory process where the electron is transferred to dioxygen molecules (O 2 ), generating water molecules and energy molecule ATP. Plants have little accumulation of toxic waste especially nitrogenous wastes. Our notes have been prepared by qualified professional teachers. C 6 H 12 0 6 + 6 O 2 → 6 CO 2 + 6 H 2 0 + 2870kJ. CLASS: FORM 2 TOPIC 2: GASEOUS EXCHANGE IN PLANTS AND ANIMALS. These cannot be broken down further. This equation can also be shown as a balanced symbol equation The mechanism of gaseous exchange in mammals. Price: KES : 50. Classification of Living Things II - Form 3 Biology Notes Respiration is a chemical reaction which happens in almost all cells in the body to produce energy from nutrient molecules. Ventilation is the exchange of air between the atmosphere and the alveoli. It takes place in the matrix of mitochondria. AEROBIC RESPIRATIONANSWERS FOR FORMATIVE PRACTICE 7. 0 Excretion and Homeostasis (42 Lessons) CLICK HERE TO DOWNLOAD NOTES Jul 21, 2021 · Questions In an investigation the pancreatic duct of a mammal was blocked. . Secondary Notes KES 199. Download all the high school Biology Notes, for form 1, form 2, form 3, and form 4. Textbook. This is the process by which respiratory gases (oxygen and carbon IV Oxide) and water vapor are passed across the respiratory system. Internal structure of the root. TOPIC 1 : TRANSPORT IN PLANTS AND ANIMALS – Click to view. transport of materials in living things. Importance gaseous exchange. They are non-mobile Distinctive features of kingdom fungi 1. Class www. 1 Energy & Feeding Relationships. Acts as a coenzyme / enables dehydrogenases to work. Lesson notes, class notes or simply notes are step-by-step guide into a specific lesson made by the teacher before the lesson. Protozoa such as amoeba depend on diffusion as a means of excretion. (1mk) Name the part labeled A and state its function. Nov 16, 2022 · This Topic is covered extensively on the Smart Revision App. 3 Fermentation1. At night, air diffuses into the air spaces, dissolve into the film of moisture; the oxygen diffuses into the cells along a concentration gradient. Respiration is the reaction that produces the ATP needed for other metabolic reactions in cells. Respiration: the process where energy stored in organic molecules is used to make ATP. Chapter 3: Movement of Substances Across Plasma Membrane. Gaseous exchange in mammals happens as a result of inhalation (or inspiration) and exhalation (or expiration). Respiration is an exothermic reaction. Aerobic respiration is the complete breakdown of glucose to release a relatively large amount of energy for use in cell processes and reactions. Aerobic respiration is the breakdown of glucose in the presence of Respiration : Respiration is a biochemical process of oxidation of organic compounds in an orderly manner for the liberation of chemical energy in the form of ATP Example : C 6 H 12 O 6 + 6O 2 → 6CO 2 + 6H 2 O + 38 ATP (In this, the process of gaseous exchange takes place between the organism and the environment. 19. Dec 29, 2022 · BIOLOGY FORM 2 NOTES. They have eukaryotic cells with a rigid protective wall made of chiti 3. It is an enzyme-controlled reaction and is therefore sensitive to temperature and pH changes. Get access to thousands of educational resources. When we exercise vigorously, our muscles have a higher demand for energy than when we are resting or exercising normally. (10 mks) MARKING SCHEME. KenyaNotes. Form 2 Biology End Term 2 Exams 2021. Custom Search. They have a large surface area to volume ratio for efficient diffusion. Transport metabolic wastes like nitrogenous wastes and carbon (IV) oxide in solution about 85% of the carbon (IV) oxide is carried in form of hydrogen carbonates. Function of NAD in the cytoplasm of a cell: Acts as a hydrogen carrier. They store food as glycogen 5. They have septate Respiration is a chemical reaction in which living cells release energy from glucose (food) by producing ATP. 033 BIOLOGY. List substances transported in plants and animals. When a molecule of glucose is broken down in the presence of oxygen, 2880 KJ of energy are produced (38 molecules of ATP). Chapter 1: Introduction to Biology and Laboratory Rules. NAD has nicotinamide base. . Draw the structure of roots and root hairs. C 6 H 12 O 6 +6O 6 →6H 2 O+6C0 2 +Energy (ATP) CONDITIONS Apr 30, 2018 · CELLULAR RESPIRATION. ATP has three phosphates. TOPIC 3 : RESPIRATION – Click to view. RESPIRATION It is the process by which food substances are chemically broken down in all living cells to release energy, CO2, water or alcohol. It is essential for life and involves many enzymes and pathways. Flow rate can be found with: F = (Patm – Palv)/R. (2mks) Name the field of biology that specializes in the study of the following; (3mks) Insects. 2. Respiration is the process of releasing energy from organic molecules in living cells. formed from ADP a nd an inorganic phosphate (Pi) with an input of energy (such as from. Revision notes on 5. Biology 5. RESPIRATION – Form 2 Biology Notes. It is used in respiration, and co 2 is produced. 2 a) leaf parallel veined Cynodon. 1. Download Form 2 Biology Notes for free at no cost. Metabolic processes in the cells produce excretory products which should be eliminated before they accumulate. Explain the significance of respiration in living organisms. Excretion and Homeostasis in Unicellular Organisms. 1 glycolysis aerobic respiration requires o2 to produce co2, h2o and atp anaerobic respiration takes place in 6 days ago · Updated Secondary School Notes form one to four Free Downloads (All subjects Comprehensive Notes) Physics free lesson plans for all topics (Form one to four) Introduction To Biology. the mechanism of ventilation. ATP is described as a universal energy currency. SECTION A. Respiration is a set of metabolic reactions and processes that take place within the cells of organisms. Glucose is broken down to release ATP, but if there is no glucose, glycogen (in animals) or starch (in plants) stores of glucose left, then As photosynthesis takes place, oxygen is produced; some of it is used in respiration, which the rest diffuses out of the leaf through the stomata.  (8mks) Describe how carbon dioxide is produced by Respiring muscle cells reaches the alveolar cavities in mammalian lungs These are called “respiratory organs”. Our bodies can only deliver so much oxygen to our muscle cells for aerobic respiration. 18 exams and past papers. Chapter 6: Cell Division. Form 2 Biology Notes. Glycolysis. Drawing and labeling diagrams of sections of roots and root hairs for monocotyledon and dicotyledonous roots. These Biology notes follows the Kenya Certificate of Secondary Education Biology Form 2 syllabus. Breathing is. The form 2 biological concepts that you can revise with these topical revision questions include; Transport in plants and animals. The third stage, electron transport, takes place on the inner membrane. A reaction that gives out heat energy is known as an exothermic reaction. ATP has 1 ribose, while NAD has 2. Interrelationships between organism and their environment. Biology Notes Form 2 - Form Two Biology. balance of nature. 00. Lesson notes are important to teachers and learners because they contain what was learnt and objectives of each topic. 2kg requires 216kJ while a mouse weighing 50g requires 2736KJ per day. ly/revisionkeSmart Tuition is available Too. List the two phases of respiration in a named mammal; Discuss briefly the process of external respiration Download newly updated notes for form 2 biology, gaseous exchange. It leads to the production of water and carbon dioxide. Location: Cytoplasm. Biology Form 2. Form 2 Biology Mid Term 1 Examination 2023. Revision notes for the CIE IGCSE Biology syllabus, written by the Biology experts at Save My Exams. Gaseous Exchange Questions and Answers: Form 2 Biology. The biology notes cover various topics, as shown below. Lára has a particular interest in the area of infectious disease and epidemiology, and enjoys creating original educational materials that develop confidence and facilitate learning. By the end of form two work, the learner should be able to: Define the term transport. Whether you need to learn about aerobic or anaerobic respiration, glycolysis, Krebs cycle, electron transport chain An online platform that provides educational learning content for students and teachers in secondary schools. This energy from respiration is released by living cells as heat energy. Secretion is the production and release of certain useful substances such as hormones, sebum and mucus produced by glandular cells. Explain these observations. Here glucose molecule is completely oxidized into energy (ATP), carbon dioxide, and water. This paper consists of sections A, B and C with a total of eleven (l 1) questions. By the end of form two work, the learner should be able to: Define the term transport; List substances transported in plants and animals; Link surface area to volume ratio of organisms to the transport system of the organism; Explain the necessity of Glucose equations. Jun 1, 2024 · biology notes form 2; classification of living things. 7. - Biology Form 4. 9. The notes are made from newly approved books and other materials by KICD and prepared by professionals. Click Here to get a full view of the notes below: Share this post. 2 Respiration (a) the need for cellular respiration. 1 Topic 1 Respiration : The Basics1. Biology Notes Form 2 – Form Two Biology. FORM II BIOLOGY END TERM OF TERM II. cu xf kj il cs dx zj cz oq ys