{"id":1199,"date":"2022-03-09T00:07:00","date_gmt":"2022-03-08T22:07:00","guid":{"rendered":"https:\/\/support.centreforelites.com\/photosynthesis-and-respiration\/"},"modified":"2024-03-15T09:23:56","modified_gmt":"2024-03-15T07:23:56","slug":"photosynthesis-and-respiration","status":"publish","type":"post","link":"https:\/\/support.centreforelites.com\/en\/photosynthesis-and-respiration\/","title":{"rendered":"PHOTOSYNTHESIS AND RESPIRATION"},"content":{"rendered":"\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">Green plants make food by a chemical process called photosynthesis. Photosynthesis is a process of capturing and transforming the energy of sunlight into chemical energy. Plants use <a href=\"https:\/\/educom360.blogspot.com\/2022\/03\/atmospheric-air.html\" target=\"_blank\" rel=\"noopener\">carbon dioxide<\/a> and water to make glucose and release oxygen. Respiration on the other hand is a chemical process in which food is oxidized in an organism to produce energy for cell activities.<\/span><\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69d4b5bab765d\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69d4b5bab765d\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/support.centreforelites.com\/en\/photosynthesis-and-respiration\/#_CHEMISTRY_OF_PHOTOSYNTHESIS\" >&nbsp;CHEMISTRY OF PHOTOSYNTHESIS<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/support.centreforelites.com\/en\/photosynthesis-and-respiration\/#1_Light_reaction\" >1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Light reaction<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/support.centreforelites.com\/en\/photosynthesis-and-respiration\/#2_Dark_reaction\" >2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dark reaction<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/support.centreforelites.com\/en\/photosynthesis-and-respiration\/#3_Factors_that_affect_the_rate_of_photosynthesis\" >3.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Factors that affect the rate of photosynthesis<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/support.centreforelites.com\/en\/photosynthesis-and-respiration\/#Planning_your_own_experiments\" >Planning your own experiments<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/support.centreforelites.com\/en\/photosynthesis-and-respiration\/#4_Importance_of_photosynthesis\" >4.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Importance of photosynthesis<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/support.centreforelites.com\/en\/photosynthesis-and-respiration\/#5_Photosynthesis_and_cellular_respiration\" >5.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Photosynthesis and cellular respiration<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"_CHEMISTRY_OF_PHOTOSYNTHESIS\"><\/span><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB; mso-fareast-font-family: 'Times New Roman';\"><span style=\"mso-list: Ignore;\"><span style=\"font: 7pt 'Times New Roman';\">&nbsp;<\/span><\/span><\/span><\/b><!--[endif]--><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">CHEMISTRY OF PHOTOSYNTHESIS<\/span><\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"\"><!-- [if !supportLists]--><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">How much do you value green plants? Do you agree that we depend on plants for many things directly and indirectly? Green plants capture the energy of sunlight and transform it into chemical energy. This chemical process of capturing and transforming the energy of sunlight into chemical energy is called photosynthesis. This is the mechanism through which plants manufacture their own food by using water, carbon dioxide and sunlight absorbed by chlorophyll.<\/span><\/p>\n\n\n\n<p class=\"\">&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><a style=\"margin-left: auto; margin-right: auto;\" href=\"https:\/\/blogger.googleusercontent.com\/img\/a\/AVvXsEgh7Nfg3pmOAaLOloLWntAPTVusCCrT3AFqGPwWqxfH8vYmoUAeJiKRyQyFITDybH1J073eB97VAy11oFxi0_S8RtBTVtkfsyeaRbqSj5toCftgd_2I_xvQV07mM2T-KmW8XpG7wilzKnlGUc_oFyoSyv2OGQGCyAtCMMUYgE6e1blxxdlvJ6jRNMJO\"><img fetchpriority=\"high\" decoding=\"async\" title=\"PHOTOSYNTHESIS AND RESPIRATION\" src=\"https:\/\/blogger.googleusercontent.com\/img\/a\/AVvXsEgh7Nfg3pmOAaLOloLWntAPTVusCCrT3AFqGPwWqxfH8vYmoUAeJiKRyQyFITDybH1J073eB97VAy11oFxi0_S8RtBTVtkfsyeaRbqSj5toCftgd_2I_xvQV07mM2T-KmW8XpG7wilzKnlGUc_oFyoSyv2OGQGCyAtCMMUYgE6e1blxxdlvJ6jRNMJO=w493-h640\" alt=\"PHOTOSYNTHESIS AND RESPIRATION\" width=\"493\" height=\"640\" data-original-height=\"781\" data-original-width=\"602\"><\/a><\/td><\/tr><tr><td><i><span style=\"font-family: 'Times New Roman', serif; text-align: justify;\">Photosynthesis<\/span>&nbsp;and Respiration<\/i><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div style=\"clear: both; text-align: center;\">&nbsp;<\/div>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman', serif;\">Through osmosis water is absorbed from the soil and transported to the green leaves where photosynthesis takes place. The most abundant and important photosynthetic pigment is chlorophyll. Green plants contain chlorophyll. Chlorophyll is the green pigment in plants. <a href=\"https:\/\/educom360.blogspot.com\/2022\/03\/atmospheric-air.html\" target=\"_blank\" rel=\"noopener\">Carbon dioxide<\/a>from the atmosphere diffuses into the leaf directly. It absorbs sunlight as a source of energy for the mechanism of photosynthesis to succeed. Photosynthesis takes place in the chloroplasts which are found mainly in the leaves.<\/span><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">The mechanism of photosynthesis is in two stages; light reaction (Kelvin reaction) and dark reaction.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Light_reaction\"><\/span><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB; mso-fareast-font-family: 'Times New Roman';\"><span style=\"mso-list: Ignore;\">1.<span style=\"font: 7pt 'Times New Roman';\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><\/span><\/span><\/b><!--[endif]--><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">Light reaction<\/span><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"\"><!-- [if !supportLists]--><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">During day time plants absorb sunlight using chlorophyll. In the leaf, light energy is converted into chemical energy. It is this chemical energy which is used to split water into hydrogen and <a href=\"https:\/\/educom360.blogspot.com\/2022\/03\/atmospheric-air.html\" target=\"_blank\" rel=\"noopener\">oxygen<\/a>. This reaction is reversible. It is during this reaction that oxygen is produced. The reaction is light controlled. It is sometimes called Calvin reaction because it was discovered by <b style=\"mso-bidi-font-weight: normal;\">Melvin Calvin<\/b> (1911-1997).<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Dark_reaction\"><\/span><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB; mso-fareast-font-family: 'Times New Roman';\"><span style=\"mso-list: Ignore;\">2.<span style=\"font: 7pt 'Times New Roman';\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><\/span><\/span><\/b><!--[endif]--><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">Dark reaction<\/span><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"\"><!-- [if !supportLists]--><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">In the second reaction the hydrogen from water chemically combines with carbon dioxide to form glucose. The process is long. This reaction is enzyme controlled and not light controlled. This is the reason why it is called dark reaction.<\/span><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">The chemical equation is as written below:<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/i0.wp.com\/cdn.kastatic.org\/ka-perseus-images\/0c5906e8ba557c05cb78b2fe333defcf65cfc010.png?ssl=1\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/cdn.kastatic.org\/ka-perseus-images\/0c5906e8ba557c05cb78b2fe333defcf65cfc010.png?ssl=1\" alt=\"Chemical equation  of photosynthesis\" title=\"Chemical equation  of photosynthesis\"\/><\/a><\/figure>\n\n\n\n<div style=\"clear: both; text-align: center;\"><\/div>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">Factors necessary for photosynthesis to take place are <a href=\"https:\/\/educom360.blogspot.com\/2022\/03\/atmospheric-air.html\" target=\"_blank\" rel=\"noopener\">carbon dioxide<\/a>, water, light and chlorophyll. Sugar and oxygen are the products of this chemical reaction.<\/span><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">Oxygen is essential for living organisms because it is used in respiration. Respiration is the process by which living cells produce energy from the combination of foods, such as glucose, with oxygen. The oxygen is released as a waste product. The sugar is used in three ways:<\/span><\/p>\n\n\n\n<p class=\"\"><!-- [if !supportLists]--><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB; mso-fareast-font-family: 'Times New Roman';\"><span style=\"mso-list: Ignore;\">i.<span style=\"font: 7pt 'Times New Roman';\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><\/span><\/span><!--[endif]--><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">Converted into starch and transported to other parts of the plant, in some plants it is stored in tubers or stems as food.<\/span><\/p>\n\n\n\n<p class=\"\"><!-- [if !supportLists]--><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB; mso-fareast-font-family: 'Times New Roman';\"><span style=\"mso-list: Ignore;\">ii.<span style=\"font: 7pt 'Times New Roman';\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><\/span><\/span><!--[endif]--><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">Converted into cellulose for the cell walls.<\/span><\/p>\n\n\n\n<p class=\"\"><!-- [if !supportLists]--><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB; mso-fareast-font-family: 'Times New Roman';\"><span style=\"mso-list: Ignore;\">iii.<span style=\"font: 7pt 'Times New Roman';\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><\/span><\/span><!--[endif]--><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">Used by the plant for its own respiration to provide <a href=\"https:\/\/www.educom360.com\/courses\/work-and-energy-and-power\/\" target=\"_blank\" rel=\"noopener\">energy<\/a> for other processes.<\/span><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">In addition, plants use glucose molecules made from photosynthesis as a starting point for making other more complex substances which are passed on in the food chain when plants are eaten by animals.<\/span><\/p>\n\n\n\n<p class=\"\"><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">EXPERIMENT 1<\/span><\/b><\/p>\n\n\n\n<p class=\"\"><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">How to test for starch in a leaf?<\/span><\/b><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">First of all, we have to suggested materials to use in this test. Here is the list of materials to use: A leaf, alcohol, boiling tube, beaker, water, tripod stand, wire gauze, spirit burner or Bunsen burner, Petri dish, test tube, test tube rack, iodine solution, dropper, and forceps.<\/span><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">Once we have the materials, then we plan how to carry out this test. This is called the method or procedure of the test. The method (procedure) is as follows:<\/span><\/p>\n\n\n\n<p class=\"\"><!-- [if !supportLists]--><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB; mso-fareast-font-family: 'Times New Roman';\"><span style=\"mso-list: Ignore;\">a.<span style=\"font: 7pt 'Times New Roman';\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><\/span><\/span><!--[endif]--><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">Detach a leaf from a plant that has been exposed to light and boil it in water for 1 to 4 minutes to make it soft and to stop the chemical reaction.<\/span><\/p>\n\n\n\n<p class=\"\"><!-- [if !supportLists]--><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB; mso-fareast-font-family: 'Times New Roman';\"><span style=\"mso-list: Ignore;\">b.<span style=\"font: 7pt 'Times New Roman';\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><\/span><\/span><!--[endif]--><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">Boil the leaf in alcohol using a water bath to remove chlorophyll<\/span><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><a style=\"margin-left: auto; margin-right: auto;\" href=\"https:\/\/i0.wp.com\/2.bp.blogspot.com\/_d1nJkEYl80o\/RlZQw1mKPMI\/AAAAAAAAA0Q\/aAWiI_qEZCE\/s329\/starchtest.jpg\"><img data-recalc-dims=\"1\" decoding=\"async\" title=\"Test for starch in a leaf\" src=\"https:\/\/i0.wp.com\/2.bp.blogspot.com\/_d1nJkEYl80o\/RlZQw1mKPMI\/AAAAAAAAA0Q\/aAWiI_qEZCE\/w278-h320\/starchtest.jpg?resize=278%2C320\" alt=\"Test for starch in a leaf\" width=\"278\" height=\"320\" border=\"0\" data-original-height=\"329\" data-original-width=\"286\"><\/a><\/td><\/tr><tr><td>Test for starch (Plant nutrition) in a leaf<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman', serif; text-indent: -18pt;\">c.<\/span><span style=\"font-family: 'Times New Roman', serif; mso-tab-count: 1; text-indent: -18pt;\">&nbsp;&nbsp; <\/span><span style=\"font-family: 'Times New Roman', serif; text-indent: -18pt;\">Wash the leaf in warm water to remove alcohol and to make it soft since alcohol makes the leaf brittle.<\/span><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">A. Spread the bleached leaf on a white tile and add drops of iodine solution. The <a href=\"https:\/\/www.reference.com\/science\/iodine-solution-22d4ce2f19432b24\" target=\"_blank\" rel=\"noopener\">iodine solution<\/a> turns blue\/black if starch is present in the leaf.<\/span><\/p>\n\n\n\n<p class=\"\"><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">EXPERIMENT 2<\/span><\/b><\/p>\n\n\n\n<p class=\"\"><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">AIM<\/span><\/b><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">To show that oxygen is given out during photosynthesis <\/span><\/p>\n\n\n\n<p class=\"\"><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">MATERIALS<\/span><\/b><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">Test tube and rack, wooden splint, pond weed, distilled water, sodium hydrogencarbonate, spatula, 250 cm<sup>3<\/sup> beaker, filter funnel and plasticine.<\/span><\/p>\n\n\n\n<p class=\"\"><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">PROCEDURE<\/span><\/b><\/p>\n\n\n\n<p class=\"\"><!-- [if !supportLists]--><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB; mso-fareast-font-family: 'Times New Roman';\"><span style=\"mso-list: Ignore;\">a.<span style=\"font: 7pt 'Times New Roman';\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><\/span><\/span><!--[endif]--><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">The apparatus is set as shown above. Sodium hydrogencarbonate is added to the water to increase the availability of carbon dioxide.<\/span><\/p>\n\n\n\n<p class=\"\"><!-- [if !supportLists]--><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB; mso-fareast-font-family: 'Times New Roman';\"><span style=\"mso-list: Ignore;\">b.<span style=\"font: 7pt 'Times New Roman';\">&nbsp;&nbsp;&nbsp;&nbsp; <\/span><\/span><\/span><!--[endif]--><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">The whole experiment is left in a well-lit place for a number of days and observation goes on.<\/span><\/p>\n\n\n\n<p class=\"\">&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><a style=\"margin-left: auto; margin-right: auto;\" href=\"https:\/\/blogger.googleusercontent.com\/img\/a\/AVvXsEhdjysEeaWZ5D5PWRnTxfdDtIq3-kFNifNqV4SpPtXWDOzOYz83kMgkhK1D1nCojU3SznIxhl7yNMnDQLDqfyqFtRwbc8PwcdrJfvPH54UmbwRSm5caWQgQFMU_f_Ef1RdANTgi-w-53XVBVDymSXji9gcGI1PwioJG0_Tu0Pu60tYf46pIsLuizPDW\"><img decoding=\"async\" title=\"oxygen is given out during photosynthesis\" src=\"https:\/\/blogger.googleusercontent.com\/img\/a\/AVvXsEhdjysEeaWZ5D5PWRnTxfdDtIq3-kFNifNqV4SpPtXWDOzOYz83kMgkhK1D1nCojU3SznIxhl7yNMnDQLDqfyqFtRwbc8PwcdrJfvPH54UmbwRSm5caWQgQFMU_f_Ef1RdANTgi-w-53XVBVDymSXji9gcGI1PwioJG0_Tu0Pu60tYf46pIsLuizPDW\" alt=\"oxygen is given out during photosynthesis\" width=\"240\" height=\"240\" data-original-height=\"391\" data-original-width=\"391\"><\/a><\/td><\/tr><tr><td><span style=\"font-family: 'Times New Roman', serif; text-align: justify;\">oxygen is given out during photosynthesis<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div style=\"clear: both; text-align: center;\">&nbsp;<\/div>\n\n\n\n<p class=\"\"><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">RESULTS<\/span><\/b><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">Bubbles of a gas are released from the plant and collect in the test tube. <\/span><\/p>\n\n\n\n<p class=\"\"><b><span style=\"background: white; border: 1pt none windowtext; font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB; mso-border-alt: none windowtext 0cm; padding: 0cm;\">Observation:<\/span><\/b><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\"><br><span style=\"background: white;\">Bubble of gas was noticed in experiment A. On passing a glowing splint over it, the splint was rekindle. In the set-up B, no bubbles were seen, and it could not rekindle a glowing splint.<\/span><\/span><\/p>\n\n\n\n<p class=\"\"><b><i><span style=\"background: white; border: 1pt none windowtext; font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB; mso-border-alt: none windowtext 0cm; padding: 0cm;\">Conclusion:<\/span><\/i><\/b><\/p>\n\n\n\n<p class=\"\"><span style=\"background: white; font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">The gas that evolved in A is oxygen because, it is a known test for oxygen that oxygen rekindles a glowing splint.<\/span><\/p>\n\n\n\n<p class=\"\">&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><a style=\"margin-left: auto; margin-right: auto;\" href=\"https:\/\/blogger.googleusercontent.com\/img\/a\/AVvXsEghOwnlWTeokQ6z-j5TV1a9U5G6wSSOq1aiZwR5ba1J-vQPkKNGWExB9nuH4cnP8W2P34WcUqPq1qswT_pN07wjnNSHRBgqHM-P_jr2bj6de4_kMYC5UC7GUOS0ZIhSUh3eK0n0ZPxhSg8scqcA1wkJN5a265URYCeyNj7czAnVKkCf8DuvgHNnIuCj\"><img loading=\"lazy\" decoding=\"async\" title=\"Oxygen Is Released During Photosynthesis\" src=\"https:\/\/blogger.googleusercontent.com\/img\/a\/AVvXsEghOwnlWTeokQ6z-j5TV1a9U5G6wSSOq1aiZwR5ba1J-vQPkKNGWExB9nuH4cnP8W2P34WcUqPq1qswT_pN07wjnNSHRBgqHM-P_jr2bj6de4_kMYC5UC7GUOS0ZIhSUh3eK0n0ZPxhSg8scqcA1wkJN5a265URYCeyNj7czAnVKkCf8DuvgHNnIuCj=w320-h239\" alt=\"Oxygen Is Released During Photosynthesis\" width=\"320\" height=\"239\" data-original-height=\"373\" data-original-width=\"500\"><\/a><\/td><\/tr><tr><td><span style=\"background-color: white; text-align: start;\">Oxygen Is Released During Photosynthesis<\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div style=\"clear: both; text-align: center;\">&nbsp;<\/div>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Experiment: To Demonstrate That Oxygen Is Released During Photosynthesis<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"\"><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">CONCLUSION<\/span><\/b><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">When the gas is tested with a glowing splint of wood, it relights. This shows that the gas is oxygen.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Factors_that_affect_the_rate_of_photosynthesis\"><\/span><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB; mso-fareast-font-family: 'Times New Roman';\"><span style=\"mso-list: Ignore;\">3.<span style=\"font: 7pt 'Times New Roman';\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><\/span><\/span><\/b><!--[endif]--><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">Factors that affect the rate of photosynthesis<\/span><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"\"><!-- [if !supportLists]--><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">The following factors have an effect on the rate of photosynthesis in green plants:<\/span><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">a.<span style=\"mso-tab-count: 1;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span>Light intensity<\/span><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">b.<span style=\"mso-tab-count: 1;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span>Carbon dioxide concentration<\/span><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">c.<span style=\"mso-tab-count: 1;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span>Temperature<\/span><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">d.<span style=\"mso-tab-count: 1;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span>Availability of water<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Planning_your_own_experiments\"><\/span><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">Planning your own experiments<\/span><\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">Use your knowledge of photosynthesis to plan experiments to show that carbon dioxide, chlorophyll, and light are necessary for photosynthesis. Each experiment will need a control. Here is an example:<\/span><\/p>\n\n\n\n<p class=\"\"><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">AIM<\/span><\/b><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">To show that light is necessary for photosynthesis.<\/span><\/p>\n\n\n\n<p class=\"\"><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">MATERIALS<\/span><\/b><\/p>\n\n\n\n<p class=\"\"><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">PROCEDURE<\/span><\/b><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">a.<span style=\"mso-tab-count: 1;\">&nbsp;&nbsp; <\/span>The plant is left in the dark for 24 hrs before the experiment starts to remove the starch. This is called de-starching.<\/span><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">b.<span style=\"mso-tab-count: 1;\">&nbsp;&nbsp; <\/span>It is removed from the dark and put in sunlight for 24 hours but with part of the leaf covered by an aluminium foil. What is the role of aluminium foil in the experiment above?<\/span><\/p>\n\n\n\n<p class=\"\">&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><a style=\"margin-left: auto; margin-right: auto;\" href=\"https:\/\/blogger.googleusercontent.com\/img\/a\/AVvXsEj9CaiW287AhMaatiFoc3RXhTd0F_GScjwSDb3jeeBxmJl7wOHgcAO4XwkqZny1bGL5887RVouVqrNEn7csH6amk5YV4PyEMXk51ZVW5_YU6M2ncGH2ZfpsAIMmf6slQJJYb8FIqZQN-r2n4ivFx7pvmNcIaDQVGgI4UA4c09YnNjW1THTpXQv_Hp3J\"><img loading=\"lazy\" decoding=\"async\" title=\"To show that light is necessary for photosynthesis\" src=\"https:\/\/blogger.googleusercontent.com\/img\/a\/AVvXsEj9CaiW287AhMaatiFoc3RXhTd0F_GScjwSDb3jeeBxmJl7wOHgcAO4XwkqZny1bGL5887RVouVqrNEn7csH6amk5YV4PyEMXk51ZVW5_YU6M2ncGH2ZfpsAIMmf6slQJJYb8FIqZQN-r2n4ivFx7pvmNcIaDQVGgI4UA4c09YnNjW1THTpXQv_Hp3J=w640-h480\" alt=\"To show that light is necessary for photosynthesis\" width=\"640\" height=\"480\" data-original-height=\"675\" data-original-width=\"900\"><\/a><\/td><\/tr><tr><td><span style=\"font-family: 'Times New Roman', serif; text-align: justify;\"><i>Light is necessary for photosynthesis<\/i><\/span><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div style=\"clear: both; text-align: center;\">&nbsp;<\/div>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">Holt in foil<\/span><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">c. The leaf is then tested for the presence of starch.<\/span><\/p>\n\n\n\n<p class=\"\"><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">RESULTS<\/span><\/b><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">The parts covered by the aluminium foil does not show the presence of starch but the part where there was a hole the iodine solution changes colour from yellow to blue black showing that starch is present.<\/span><\/p>\n\n\n\n<p class=\"\"><a name=\"bookmark19\"><\/a><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">CONCLUSION<\/span><\/b><b style=\"mso-bidi-font-weight: normal;\"><\/b><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">This showed that starch was made in the presence of light but not where the leaf remained in the dark.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Importance_of_photosynthesis\"><\/span><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB; mso-fareast-font-family: 'Times New Roman';\"><span style=\"mso-list: Ignore;\">4.<span style=\"font: 7pt 'Times New Roman';\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><\/span><\/span><\/b><!--[endif]--><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">Importance of photosynthesis <\/span><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"\"><!-- [if !supportLists]--><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">To all animals, photosynthesis is very important. The sun is the main source of energy on which all creation depends. However, it is only plants that can utilize this energy. When plants are eaten energy is transferred to other forms. All heterotrophs depend on plants for energy. Even when dead remains of plants decay, energy is never lost but changed into another form which is nutrients in the soil. In conclusion we would say that all animals depend on photosynthesis as they depend on plants.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Photosynthesis_and_cellular_respiration\"><\/span><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB; mso-fareast-font-family: 'Times New Roman';\"><span style=\"mso-list: Ignore;\">5.<span style=\"font: 7pt 'Times New Roman';\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><\/span><\/span><\/b><!--[endif]--><b style=\"mso-bidi-font-weight: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">Photosynthesis and cellular respiration<\/span><\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"\"><!-- [if !supportLists]--><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">Respiration involves a complicated chain of chemical breakdown of food to release energy. The energy produced is used for many chemical reactions in the living cell. There are two types of respiration &#8211; aerobic and anaerobic. Aerobic respiration involves the use of oxygen in the breakdown of glucose while anaerobic respiration does not use oxygen. Here we will look at aerobic respiration in plants.<\/span><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">Photosynthesis is the reverse of cellular respiration. Cellular respiration is the name given to the processes in cells that releases energy from food. Plants also use glucose molecules made from photosynthesis as starting point for making other more complex substances. These two chemical processes take place simultaneously in light in plants.&nbsp;<\/span><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">However, respiration takes place in the cytoplasm and mitochondria while photosynthesis takes place in the chloroplasts. In respiration, glucose and oxygen are used to produce carbon dioxide and water and release energy. In photosynthesis, carbon dioxide, water, and energy are used to produce glucose and to release oxygen. Cellular respiration releases chemical energy while photosynthesis captures light energy.<\/span><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">The chemical equation for cellular respiration is:<\/span><\/p>\n\n\n\n<p class=\"\"><b style=\"mso-bidi-font-weight: normal;\"><i style=\"mso-bidi-font-style: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">C<sub>6<\/sub>H<sub>l2<\/sub>0<sub>6<\/sub> + 60<sub>2<\/sub>&nbsp;<\/span><\/i><\/b><b style=\"mso-bidi-font-weight: normal;\"><i style=\"mso-bidi-font-style: normal;\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\"><span style=\"mso-spacerun: yes;\">\u27f6&nbsp;<\/span>6CO<sub>2<\/sub> + 6H<sub>2<\/sub>O + energy<\/span><\/i><\/b><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman', serif;\">The word equation is:<\/span><\/p>\n\n\n\n<p class=\"\"><!-- [if gte msEquation 12]><m:oMathPara><m:oMath><i   style='mso-bidi-font-style:normal'><span style='font-family:\"Cambria Math\",serif;   mso-bidi-font-family:\"Times New Roman\";color:windowtext;mso-ansi-language:   EN-GB'><m:r>Glucose<\/m:r><m:r> + <\/m:r><m:r>Oxygen<\/m:r><m:r> \u2192 <\/m:r><m:r>Carbon<\/m:r><m:r>   <\/m:r><m:r>dioxide<\/m:r><m:r> + <\/m:r><m:r>Water<\/m:r><m:r> + <\/m:r><m:r>Energy<\/m:r><\/span><\/i><\/m:oMath><\/m:oMathPara><![endif]--><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\"><b><i>Glucose + Oxygen \u2192 Carbon dioxide + Water + Energy<\/i><\/b><\/span><\/p>\n\n\n\n<p class=\"\"><span style=\"font-family: 'Times New Roman',serif; mso-ansi-language: EN-GB;\">From the equation above, it is clear that for respiration to take place, food and oxygen must be taken in and reacts together. The end products of respiration carbon dioxide and water must be removed constantly.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Green plants make food by a chemical process called photosynthesis. Photosynthesis is a process of capturing and transforming the energy [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"wds_primary_category":162,"footnotes":""},"categories":[55,162,58],"tags":[327],"class_list":["post-1199","post","type-post","status-publish","format-standard","hentry","category-biology","category-botany","category-integrated-science","tag-photosynthesis-and-respiration"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":1200,"url":"https:\/\/support.centreforelites.com\/en\/structure-and-types-of-stems\/","url_meta":{"origin":1199,"position":0},"title":"Structure and types of stems","author":"centreforelites","date":"March 8, 2022","format":false,"excerpt":"\u00a0There are basically two types of stems - herbaceous stems and woody stems. Herbaceous plants have soft, green, juicy stems that are called herbaceous stems. They have a life span of one to two years. The cells of apical meristems are the source of all the tissues of herbaceous plants.\u2026","rel":"","context":"In &quot;Biology&quot;","block_context":{"text":"Biology","link":"https:\/\/support.centreforelites.com\/en\/category\/blog\/biology\/"},"img":{"alt_text":"Structure and types of stems - Structure of woody stems","src":"https:\/\/i0.wp.com\/i.pinimg.com\/600x315\/8d\/3f\/e9\/8d3fe90b94d1d3334c020d1d71434dbc.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/i.pinimg.com\/600x315\/8d\/3f\/e9\/8d3fe90b94d1d3334c020d1d71434dbc.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/i.pinimg.com\/600x315\/8d\/3f\/e9\/8d3fe90b94d1d3334c020d1d71434dbc.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":1201,"url":"https:\/\/support.centreforelites.com\/en\/types-of-leaves-and-leaf-structure\/","url_meta":{"origin":1199,"position":1},"title":"Types of leaves and leaf structure","author":"centreforelites","date":"March 8, 2022","format":false,"excerpt":"https:\/\/www.youtube.com\/watch?v=qBdAKG-3V4o Leaves are specialised to capture light for photosynthesis. Mainly, it is observed that the environment determines the type of leaf plants possesses. A typical leaf has a thin, flat blade, and a stalk, or petiole which joins the leaf to the stem. There are two types of leaves; simple\u2026","rel":"","context":"In &quot;Biology&quot;","block_context":{"text":"Biology","link":"https:\/\/support.centreforelites.com\/en\/category\/blog\/biology\/"},"img":{"alt_text":"Internal structure of the leaf","src":"https:\/\/i0.wp.com\/support.centreforelites.com\/wp-content\/uploads\/2022\/03\/Internal-Structure-of-a-leaf.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":1211,"url":"https:\/\/support.centreforelites.com\/en\/feed-manufacturing-for-animals\/","url_meta":{"origin":1199,"position":2},"title":"Feed manufacturing for animals","author":"centreforelites","date":"March 8, 2022","format":false,"excerpt":"\u00a0Feed manufacturing refers to the process of producing animal feed\u00a0from raw agricultural products. 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