(ii) To remove all starch from the leaves of the plant. The protein complexes and the pigment molecules help in the production of NADPH and ATP. Out of this only 2.2 x 10 13 tonnes are present in the atmosphere @ 0.03%. Answer of Write the Mechanism of Photosynthesis. Answer: (i) That light is necessary for photosynthesis. ICSE Solutions for Class 10 Biology – Photosynthesis. CO2, water, light, and chlorophyll are the raw materials for photosynthesis. The process of light reaction is given below- Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. (iii) (1) To kill the cells. CBSE > Class 10 > Science 2 answers; Dr. Jasmine Kaur 10 months, 2 weeks ago. (ii) Quantum requirement in photosynthesis = 8, i.e., 8 quanta of light are required to evolve one mol. In the process of photosynthesis, the carbohydrates are synthesized from CO2 & H2O in presence of sunlight & chlorophyll and O2 is released. 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. 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 other three factors do not play a critical role in it. Mechanism of photosynthesis Report ; Posted by Dr. Jasmine Kaur 10 months, 2 weeks ago. ... Write a balanced chemical equation to represent the process of photosynthesis. For any plant performing photosynthesis, four factors influence this process. The substances are transported to the storage organs of roots, fruits and seeds. of O 2. Class 10 Science Chapter 6 Extra Questions and Answers Life Processes. 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. Light energy is absorbed by chlorophyll molecules and is utilized for splitting water molecules into hydrogen and oxygen. Report ; The translocation takes place in the sieve tubes with the help of adjacent companion cells. The total carbon dioxide available to plants for photosynthesis is about 11.2 x 10 14 tonnes. Best Answer. Phloem transports soluble products of photosynthesis, amino acids, and other substances. The transport of soluble products of photosynthesis is called translocation. Magnitude of Photosynthesis: Only 0.2% of light energy falling on earth is utilized by photosynthetic organisms. (iii) Hence quantum yield = 1 /8 = 0.125 (i.e., a fraction of 1) as 12%. Thank u 1 Thank You ... Write the electronic bond of Mgcl2. Emerson effect and Red drop: R. Emerson and C.M. But, in case of light dependent reaction or light reaction of photosynthesis, it is most influenced by presence or absence of light. 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. 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. To the storage organs of roots, fruits and seeds Life Processes and other substances of... Iii ) Hence Quantum yield = 1 /8 = 0.125 ( i.e., 8 quanta of are! The storage organs of roots, fruits and seeds any plant performing photosynthesis, amino acids, and chlorophyll the... Process by which green plants and certain other organisms transform light energy falling on earth utilized... This process help of adjacent companion cells Magnitude of photosynthesis is called.... 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