Do Plants Breathe Class 11 Biology CBSE - Vedantu

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seo-qnaheader left imagearrow-right Answerdown arrowQuestion Answers for Class 12down arrowClass 12 BiologyClass 12 ChemistryClass 12 EnglishClass 12 MathsClass 12 PhysicsClass 12 Social ScienceClass 12 Business StudiesClass 12 EconomicsQuestion Answers for Class 11down arrowClass 11 EconomicsClass 11 Computer ScienceClass 11 BiologyClass 11 ChemistryClass 11 EnglishClass 11 MathsClass 11 PhysicsClass 11 Social ScienceClass 11 AccountancyClass 11 Business StudiesQuestion Answers for Class 10down arrowClass 10 ScienceClass 10 EnglishClass 10 MathsClass 10 Social ScienceClass 10 General KnowledgeQuestion Answers for Class 9down arrowClass 9 General KnowledgeClass 9 ScienceClass 9 EnglishClass 9 MathsClass 9 Social ScienceQuestion Answers for Class 8down arrowClass 8 ScienceClass 8 EnglishClass 8 MathsClass 8 Social ScienceQuestion Answers for Class 7down arrowClass 7 ScienceClass 7 EnglishClass 7 MathsClass 7 Social ScienceQuestion Answers for Class 6down arrowClass 6 ScienceClass 6 EnglishClass 6 MathsClass 6 Social ScienceQuestion Answers for Class 5down arrowClass 5 ScienceClass 5 EnglishClass 5 MathsClass 5 Social ScienceQuestion Answers for Class 4down arrowClass 4 ScienceClass 4 EnglishClass 4 MathsSearchIconbannerDo Plants Breathe?AnswerVerifiedVerified587.1k+ viewsHint:Plants do not have respiratory and circulatory systems like animals do, wherein gases are carried all over their structures, however they play a key role in ensuring that carbon is taken up from the atmosphere as carbon dioxide.Complete answer:Plants do not breathe in the way that animals do. They don’t have lungs or a circulatory system that will carry oxygen all over the plant body. However, plants do need to take in and give out gases in order to survive and grow. During the day, as part of photosynthesis, plants take in carbon dioxide and give oxygen. Carbon dioxide and water are combined to produce storage carbohydrates. This intake and release of gases occurs through tiny holes on the surfaces of the leaves called stomata. Each leaf has thousands of these structures.Stomatal opening and closing is not random. They do not stay open continuously but are regulated by two factors: light and water pressure. Light causes the stomata to open up, which is why they will be open during the day for the passage of gases and water vapour. However, if water pressure in the plant drops, the stomata then close so that water is not lost during transpiration from these tiny openings.Besides requiring carbon dioxide, plants take in oxygen as well for their various metabolic processes and the generation of energy. Oxygen diffuses in through the stomata and passes down the gradient of high oxygen concentration to areas with low oxygen concentration.Note:The cells bordering the stomata are known as guard cells, and each stomatal opening has two guard cells. When water pressure is high, turgidity in these cells causes the inner edge of the cells to pull apart opening the stomata, and vice versa.Recently Updated PagesMaster Class 11 Business Studies: Engaging Questions & Answers for Successarrow-rightMaster Class 11 Computer Science: Engaging Questions & Answers for Successarrow-rightMaster Class 11 Economics: Engaging Questions & Answers for Successarrow-rightMaster Class 11 Social Science: Engaging Questions & Answers for Successarrow-rightMaster Class 11 English: Engaging Questions & Answers for Successarrow-rightMaster Class 11 Chemistry: Engaging Questions & Answers for Successarrow-rightMaster Class 11 Business Studies: Engaging Questions & Answers for Successarrow-rightMaster Class 11 Computer Science: Engaging Questions & Answers for Successarrow-rightMaster Class 11 Economics: Engaging Questions & Answers for Successarrow-rightMaster Class 11 Social Science: Engaging Questions & Answers for Successarrow-rightMaster Class 11 English: Engaging Questions & Answers for Successarrow-rightMaster Class 11 Chemistry: Engaging Questions & Answers for Successarrow-right
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