{"id":689571,"date":"2023-10-10T16:35:57","date_gmt":"2023-10-10T11:05:57","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=689571"},"modified":"2024-11-02T14:31:47","modified_gmt":"2024-11-02T09:01:47","slug":"top-25-questions-on-plant-physiology-with-answers","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/","title":{"rendered":"Top 25 Questions on Plant Physiology with Answers"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_37 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;\"><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><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' style='display:block'><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Top_25_Questions_Related_to_Plant_Physiology\" title=\"Top 25 Questions Related to Plant Physiology\">Top 25 Questions Related to Plant Physiology<\/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:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q1_What_is_plant_physiology\" title=\"Q1. What is plant physiology?\">Q1. What is plant physiology?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Top_25_Questions_on_Plant_Physiology_Video_Session\" title=\"Top 25 Questions on Plant Physiology Video Session\">Top 25 Questions on Plant Physiology Video Session<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q2_What_is_photosynthesis_and_how_does_it_work\" title=\"Q2. What is photosynthesis, and how does it work?\">Q2. What is photosynthesis, and how does it work?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q3_What_is_transpiration\" title=\"Q3. What is transpiration?\">Q3. What is transpiration?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q4_What_is_the_role_of_plant_hormones\" title=\"Q4. What is the role of plant hormones?\">Q4. What is the role of plant hormones?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q5_How_do_plants_absorb_nutrients\" title=\"Q5. How do plants absorb nutrients?\">Q5. How do plants absorb nutrients?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q6_What_is_the_importance_of_soil_pH_for_plant_growth\" title=\"Q6. What is the importance of soil pH for plant growth?\">Q6. What is the importance of soil pH for plant growth?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q7_What_is_the_role_of_gibberellins_in_plant_growth\" title=\"Q7. What is the role of gibberellins in plant growth?\">Q7. What is the role of gibberellins in plant growth?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q8_What_are_the_effects_of_excess_fertiliser_use_on_plants\" title=\"Q8. What are the effects of excess fertiliser use on plants?\">Q8. What are the effects of excess fertiliser use on plants?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q9_What_is_the_role_of_the_plant_cell_wall\" title=\"Q9. What is the role of the plant cell wall?\">Q9. What is the role of the plant cell wall?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q10_How_do_plants_defend_themselves_against_herbivores_and_pathogens\" title=\"Q10. How do plants defend themselves against herbivores and pathogens?\">Q10. How do plants defend themselves against herbivores and pathogens?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q11_What_is_the_difference_between_anaerobic_and_aerobic_respiration_in_plants\" title=\"Q11. What is the difference between anaerobic and  aerobic respiration in plants?\">Q11. What is the difference between anaerobic and  aerobic respiration in plants?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q12_How_do_plants_adapt_to_environmental_stress\" title=\"Q12. How do plants adapt to environmental stress?\">Q12. How do plants adapt to environmental stress?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q13_What_is_the_role_of_chlorophyll_in_photosynthesis\" title=\"Q13. What is the role of chlorophyll in photosynthesis?\">Q13. What is the role of chlorophyll in photosynthesis?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q14_What_are_stomata_and_what_is_their_function\" title=\"Q14. What are stomata, and what is their function?\">Q14. What are stomata, and what is their function?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q15_How_do_plants_respond_to_light_and_gravity\" title=\"Q15. How do plants respond to light and gravity?\">Q15. How do plants respond to light and gravity?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q16_What_is_the_role_of_mycorrhizal_associations_in_plants\" title=\"Q16. What is the role of mycorrhizal associations in plants?\">Q16. What is the role of mycorrhizal associations in plants?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q17_How_do_plants_transport_water_and_nutrients_from_roots_to_leaves\" title=\"Q17. How do plants transport water and nutrients from roots to leaves?\">Q17. How do plants transport water and nutrients from roots to leaves?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q18_What_is_the_significance_of_plant_reproduction\" title=\"Q18. What is the significance of plant reproduction?\">Q18. What is the significance of plant reproduction?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q19_What_are_the_main_functions_of_plant_roots\" title=\"Q19. What are the main functions of plant roots?\">Q19. What are the main functions of plant roots?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q20_How_do_plants_respond_to_environmental_cues_like_temperature_and_photoperiod\" title=\"Q20. How do plants respond to environmental cues like temperature and photoperiod?\">Q20. How do plants respond to environmental cues like temperature and photoperiod?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q21_What_is_the_role_of_nitrogen_fixation_in_plants\" title=\"Q21. What is the role of nitrogen fixation in plants?\">Q21. What is the role of nitrogen fixation in plants?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q22_What_is_the_relationship_between_light_intensity_and_plant_photosynthesis\" title=\"Q22. What is the relationship between light intensity and plant photosynthesis?\">Q22. What is the relationship between light intensity and plant photosynthesis?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q23_How_do_plants_respond_to_water_stress\" title=\"Q23. How do plants respond to water stress?\">Q23. How do plants respond to water stress?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q24_What_is_the_role_of_abscisic_acid_in_plant_stress_responses\" title=\"Q24. What is the role of abscisic acid in plant stress responses?\">Q24. What is the role of abscisic acid in plant stress responses?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Q25_How_do_plants_sense_and_respond_to_gravity\" title=\"Q25. How do plants sense and respond to gravity?\">Q25. How do plants sense and respond to gravity?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Conclusion\" title=\"Conclusion\">Conclusion<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#Frequently_Asked_Questions_on_Plant_Physiology\" title=\"Frequently Asked Questions on Plant Physiology\">Frequently Asked Questions on Plant Physiology<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#What_is_plant_physiology\" title=\"What is plant physiology?\">What is plant physiology?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#What_is_photosynthesis_and_how_does_it_work\" title=\"What is photosynthesis, and how does it work?\">What is photosynthesis, and how does it work?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#What_is_transpiration\" title=\"What is transpiration?\">What is transpiration?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#What_are_plant_hormones_and_what_roles_do_they_play\" title=\"What are plant hormones, and what roles do they play?\">What are plant hormones, and what roles do they play?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/infinitylearn.com\/surge\/blog\/top-25-questions-on-plant-physiology-with-answers\/#How_do_plants_absorb_nutrients\" title=\"How do plants absorb nutrients?\">How do plants absorb nutrients?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p>Plant physiology is the study of how plants function and grow, encompassing a wide range of processes such as <strong><a href=\"https:\/\/infinitylearn.com\/surge\/articles\/photosynthesis\/\">photosynthesis<\/a><\/strong>, <a href=\"https:\/\/infinitylearn.com\/surge\/articles\/respiration\/\"><strong>respiration<\/strong><\/a>, nutrient absorption, and more. The study of plants and their behaviour, including their responses to environmental stimuli, is typically referred to as &#8220;<a href=\"https:\/\/infinitylearn.com\/surge\/biology\/plant-physiology\/\"><strong>plant physiology<\/strong><\/a>&#8221; or &#8220;botany.&#8221; In this article, we&#8217;ll explore and provide detailed answers to help you understand these fundamental concepts.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Top_25_Questions_Related_to_Plant_Physiology\"><\/span>Top 25 Questions Related to Plant Physiology<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Q1_What_is_plant_physiology\"><\/span>Q1. What is plant physiology?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> Plant physiology is the study of how plants function, including their growth, development, and response to environmental factors.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Top_25_Questions_on_Plant_Physiology_Video_Session\"><\/span>Top 25 Questions on Plant Physiology Video Session<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/q1PzrjsZQK0?si=hQHJbv7XNvfeL0vQ\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q2_What_is_photosynthesis_and_how_does_it_work\"><\/span>Q2. What is photosynthesis, and how does it work?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> Photosynthesis, occurring in chloroplasts, is the pivotal process through which green plants, algae, and certain bacteria transform sunlight, carbon dioxide, and water into glucose and oxygen. It relies on chlorophyll&#8217;s light absorption to split water molecules, generating oxygen and essential chemical compounds that culminate in glucose production. This fundamental process sustains oxygen levels and fuels energy for diverse life forms on our planet.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q3_What_is_transpiration\"><\/span>Q3. What is transpiration?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> Transpiration is the loss of water vapour from plant leaves through tiny pores called stomata, which helps in nutrient uptake and cooling.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q4_What_is_the_role_of_plant_hormones\"><\/span>Q4. What is the role of plant hormones?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> Plant hormones, also known as phytohormones, play a crucial role in regulating various growth and developmental processes in plants. They control activities like cell division, elongation, differentiation, and responses to environmental stimuli. Plant hormones include auxins, gibberellins, cytokinins, abscisic acid, and ethylene, each with specific functions in processes such as seed germination, root and shoot growth, flowering, and stress responses, ensuring plants adapt to their surroundings and maintain their overall health and survival.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q5_How_do_plants_absorb_nutrients\"><\/span>Q5. How do plants absorb nutrients?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> Plants absorb nutrients through their roots via a process called active transport, utilising specialised transport proteins to uptake essential minerals and water from the soil. This allows them to fuel growth and maintain their vital functions.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q6_What_is_the_importance_of_soil_pH_for_plant_growth\"><\/span>Q6. What is the importance of soil pH for plant growth?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> Soil pH is essential for plant growth as it impacts nutrient accessibility. Plants generally flourish within a slightly acidic to neutral pH range (approximately 6 to 7). Extreme pH levels can hinder nutrient absorption, resulting in stunted growth and reduced vitality. Maintaining the appropriate soil pH guarantees that plants can obtain vital nutrients for their best growth.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q7_What_is_the_role_of_gibberellins_in_plant_growth\"><\/span>Q7. What is the role of gibberellins in plant growth?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong><strong>Gibberellins<\/strong><\/a> promote stem elongation, fruit development, and seed germination in plants.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q8_What_are_the_effects_of_excess_fertiliser_use_on_plants\"><\/span>Q8. What are the effects of excess fertiliser use on plants?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> Over-fertilization can lead to nutrient imbalances, soil degradation, and environmental pollution.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q9_What_is_the_role_of_the_plant_cell_wall\"><\/span>Q9. What is the role of the plant cell wall?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> The plant cell wall provides structural support and protection, allowing cells to maintain their shape.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q10_How_do_plants_defend_themselves_against_herbivores_and_pathogens\"><\/span>Q10. How do plants defend themselves against herbivores and pathogens?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> Plants employ physical barriers, chemical toxins, and signaling molecules to deter herbivores and pathogens.<\/p>\n<h3>Q11. What is the difference between anaerobic and  aerobic respiration in plants?<\/h3>\n<p><strong>Ans.<\/strong> Aerobic respiration in plants occurs in the presence of oxygen and produces energy more efficiently, yielding more ATP. In contrast, anaerobic respiration occurs in the absence of oxygen and is less efficient, producing less ATP and often leading to the accumulation of toxic byproducts like ethanol.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q12_How_do_plants_adapt_to_environmental_stress\"><\/span>Q12. How do plants adapt to environmental stress?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> Plants adapt to stress through mechanisms like drought tolerance, cold resistance, and altering their growth patterns.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q13_What_is_the_role_of_chlorophyll_in_photosynthesis\"><\/span>Q13. What is the role of chlorophyll in photosynthesis?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> Chlorophyll molecules capture light energy and convert it into chemical energy, initiating the photosynthesis process.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q14_What_are_stomata_and_what_is_their_function\"><\/span>Q14. What are stomata, and what is their function?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> Stomata are small openings in plant leaves that regulate gas exchange, including the uptake of carbon dioxide and release of oxygen.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q15_How_do_plants_respond_to_light_and_gravity\"><\/span>Q15. How do plants respond to light and gravity?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> Plants exhibit phototropism (growth towards light) and gravitropism (response to gravity) through hormone-controlled growth.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q16_What_is_the_role_of_mycorrhizal_associations_in_plants\"><\/span>Q16. What is the role of mycorrhizal associations in plants?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> Mycorrhizal fungi form symbiotic relationships with plant roots, enhancing nutrient absorption and plant health.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q17_How_do_plants_transport_water_and_nutrients_from_roots_to_leaves\"><\/span>Q17. How do plants transport water and nutrients from roots to leaves?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> The transpiration-cohesion-adhesion mechanism allows water and nutrients to move from roots to leaves through the xylem.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q18_What_is_the_significance_of_plant_reproduction\"><\/span>Q18. What is the significance of plant reproduction?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> Plant reproduction ensures the continuation of species through processes like pollination, seed formation, and vegetative propagation.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q19_What_are_the_main_functions_of_plant_roots\"><\/span>Q19. What are the main functions of plant roots?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> Plant roots serve vital roles in a plant&#8217;s life. They anchor the plant securely in the soil, providing stability and support. These roots also act as nature&#8217;s nutrient sponge, absorbing water and essential nutrients to fuel the plant&#8217;s growth and overall health. Additionally, roots function as a storage unit, storing carbohydrates and other valuable resources to ensure the plant&#8217;s continuous nourishment and development.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q20_How_do_plants_respond_to_environmental_cues_like_temperature_and_photoperiod\"><\/span>Q20. How do plants respond to environmental cues like temperature and photoperiod?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> Plants exhibit phenotypic plasticity, adjusting their growth and development in response to changing environmental conditions.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q21_What_is_the_role_of_nitrogen_fixation_in_plants\"><\/span>Q21. What is the role of nitrogen fixation in plants?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> Nitrogen-fixing bacteria help convert atmospheric nitrogen into a usable form for plants, promoting their growth.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q22_What_is_the_relationship_between_light_intensity_and_plant_photosynthesis\"><\/span>Q22. What is the relationship between light intensity and plant photosynthesis?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> Light intensity directly affects the rate of photosynthesis, with plants requiring adequate light for optimal growth.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q23_How_do_plants_respond_to_water_stress\"><\/span>Q23. How do plants respond to water stress?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> Plants employ strategies like closing stomata and adjusting their growth to conserve water during drought conditions.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q24_What_is_the_role_of_abscisic_acid_in_plant_stress_responses\"><\/span>Q24. What is the role of abscisic acid in plant stress responses?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> Abscisic acid helps plants respond to stress by regulating stomatal closure and initiating protective mechanisms.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Q25_How_do_plants_sense_and_respond_to_gravity\"><\/span>Q25. How do plants sense and respond to gravity?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Ans.<\/strong> Plants sense gravity through specialised cells called osteocytes in their roots and stems, which contain dense organelles called statoliths. When these statoliths settle due to gravity, they trigger signals that guide the plant&#8217;s growth and orientation, allowing it to respond by growing roots downward and shoots upward.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Plant physiology is a fascinating field that delves into the intricate mechanisms governing the life and growth of plants. Understanding how plants function, from photosynthesis to hormonal regulation and responses to environmental cues, is crucial not only for agricultural and ecological purposes but also for our planet&#8217;s overall well-being. Plants are the foundation of terrestrial ecosystems, providing food, oxygen, and countless resources. By exploring these top 25 questions and answers on plant physiology, we gain valuable insights into the remarkable adaptations and processes that allow plants to thrive in diverse environments and sustain life on Earth. Studying plant physiology is not only a scientific endeavour but also an appreciation of the incredible complexity and resilience of the plant kingdom.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions_on_Plant_Physiology\"><\/span>Frequently Asked Questions on Plant Physiology<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_is_plant_physiology\"><\/span>What is plant physiology?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tPlant physiology is the study of how plants function, including their growth, development, and response to environmental factors. \t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_is_photosynthesis_and_how_does_it_work\"><\/span>What is photosynthesis, and how does it work?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tPhotosynthesis is the process by which plants convert sunlight, carbon dioxide, and water into glucose and oxygen. It occurs in chloroplasts and is essential for sustaining life on Earth. \t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_is_transpiration\"><\/span>What is transpiration?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tTranspiration is the loss of water vapour from plant leaves through tiny pores called stomata, which aids in nutrient uptake and cooling.\t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"What_are_plant_hormones_and_what_roles_do_they_play\"><\/span>What are plant hormones, and what roles do they play?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tPlant hormones, also known as phytohormones, regulate various growth and developmental processes in plants, including cell division, elongation, and responses to environmental stimuli. \t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"sc_fs_faq sc_card \">\n\t\t\t<div>\n\t\t\t\t<h3><span class=\"ez-toc-section\" id=\"How_do_plants_absorb_nutrients\"><\/span>How do plants absorb nutrients?<span class=\"ez-toc-section-end\"><\/span><\/h3>\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t<p>\n\t\t\t\t\t\tPlants absorb nutrients through their roots via a process called active transport, utilising specialised transport proteins to uptake minerals and water from the soil. \t\t\t\t\t<\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/section>\n\t\t\n<script type=\"application\/ld+json\">\n\t{\n\t\t\"@context\": \"https:\/\/schema.org\",\n\t\t\"@type\": \"FAQPage\",\n\t\t\"mainEntity\": [\n\t\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What is plant physiology?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Plant physiology is the study of how plants function, including their growth, development, and response to environmental factors.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What is photosynthesis, and how does it work?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Photosynthesis is the process by which plants convert sunlight, carbon dioxide, and water into glucose and oxygen. It occurs in chloroplasts and is essential for sustaining life on Earth.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What is transpiration?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Transpiration is the loss of water vapour from plant leaves through tiny pores called stomata, which aids in nutrient uptake and cooling.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"What are plant hormones, and what roles do they play?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Plant hormones, also known as phytohormones, regulate various growth and developmental processes in plants, including cell division, elongation, and responses to environmental stimuli.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t,\t\t\t\t{\n\t\t\t\t\"@type\": \"Question\",\n\t\t\t\t\"name\": \"How do plants absorb nutrients?\",\n\t\t\t\t\"acceptedAnswer\": {\n\t\t\t\t\t\"@type\": \"Answer\",\n\t\t\t\t\t\"text\": \"Plants absorb nutrients through their roots via a process called active transport, utilising specialised transport proteins to uptake minerals and water from the soil.\"\n\t\t\t\t\t\t\t\t\t}\n\t\t\t}\n\t\t\t\t\t\t]\n\t}\n<\/script>\n\n","protected":false},"excerpt":{"rendered":"<p>Plant physiology is the study of how plants function and grow, encompassing a wide range of processes such as photosynthesis, [&hellip;]<\/p>\n","protected":false},"author":53,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"Plant physiology","_yoast_wpseo_title":"Top 25 Plant Physiology Questions with Expert Answers","_yoast_wpseo_metadesc":"Plant physiology is the study of how plants function and grow, encompassing a wide range of processes such as photosynthesis, respiration, nutrient absorption, and 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