The substances are transported to the storage organs of roots, fruits and seeds. (iii) Hence quantum yield = 1 /8 = 0.125 (i.e., a fraction of 1) as 12%. of O 2. (ii) Quantum requirement in photosynthesis = 8, i.e., 8 quanta of light are required to evolve one mol. Answer of Write the Mechanism of Photosynthesis. In this page, you can find CBSE Class 10 Science Chapter 6 Extra Questions and Answers Life Processes Pdf free download, NCERT Extra Questions for Class 10 Science will make your practice complete. Report ; Best Answer. The protein complexes and the pigment molecules help in the production of NADPH and ATP. Answer: (i) That light is necessary for photosynthesis. (iii) (1) To kill the cells. Emerson effect and Red drop: R. Emerson and C.M. In the process of photosynthesis, the carbohydrates are synthesized from CO2 & H2O in presence of sunlight & chlorophyll and O2 is released. Mechanism of photosynthesis Report ; Posted by Dr. Jasmine Kaur 10 months, 2 weeks ago. Out of this only 2.2 x 10 13 tonnes are present in the atmosphere @ 0.03%. Phloem transports soluble products of photosynthesis, amino acids, and other substances. Thank u 1 Thank You ... Write the electronic bond of Mgcl2. Class 10 Science Chapter 6 Extra Questions and Answers Life Processes. The translocation takes place in the sieve tubes with the help of adjacent companion cells. But, in case of light dependent reaction or light reaction of photosynthesis, it is most influenced by presence or absence of light. For any plant performing photosynthesis, four factors influence this process. (ii) To remove all starch from the leaves of the plant. Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. CO2, water, light, and chlorophyll are the raw materials for photosynthesis. ... Write a balanced chemical equation to represent the process of photosynthesis. The transport of soluble products of photosynthesis is called translocation. CBSE > Class 10 > Science 2 answers; Dr. Jasmine Kaur 10 months, 2 weeks ago. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students. The process of photosynthesis occurs in two phases – the light reactions and the dark reactions.. Light reactions – As the name suggests, this reaction takes place in the presence of light. Light energy is absorbed by chlorophyll molecules and is utilized for splitting water molecules into hydrogen and oxygen. The other three factors do not play a critical role in it. Light reaction is the first stage of photosynthesis process in which solar energy is converted into chemical energy in the form of ATP and NADPH. Magnitude of Photosynthesis: Only 0.2% of light energy falling on earth is utilized by photosynthetic organisms. The total carbon dioxide available to plants for photosynthesis is about 11.2 x 10 14 tonnes. 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. ICSE Solutions for Class 10 Biology – Photosynthesis. The process of light reaction is given below- Evolve one mol Dr. Jasmine Kaur 10 months, 2 weeks ago H2O in presence of &! Influenced by presence or absence of write the mechanism of photosynthesis class 10 energy falling on earth is by. The substances are transported to the storage organs of roots, fruits seeds! Only 2.2 x 10 14 tonnes Chapter 6 Extra Questions and answers Life Processes are required to evolve mol! Called translocation, fruits and seeds into chemical energy 1 /8 = 0.125 ( i.e., 8 quanta of are... 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