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Downward movement of organic and inorganic solutes from leaves occurs through
- a)Phloem by diffusion
- b)Pholem by protoplasmic streaming
- c)Parenchymatous cells by diffusion
- d)Phloem by mass flow
Correct answer is option 'D'. Can you explain this answer?
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Downward movement of organic and inorganic solutes from leaves occurs ...
Phloem Mass Flow:
Phloem is responsible for the transport of organic solutes, such as sugars, from sources (like leaves) to sinks (such as roots, fruits, and flowers) in plants. Phloem sap moves through the plant in a process known as mass flow.
Mechanism of Phloem Mass Flow:
- Phloem sap is mainly composed of sugars and other organic compounds.
- The movement of phloem sap is driven by a pressure gradient created by the loading of sugars into the phloem at source regions (like leaves) and the unloading of sugars at sink regions.
- This pressure gradient creates a flow of phloem sap from source to sink regions, allowing for the transport of organic solutes throughout the plant.
Downward Movement of Solutes:
- In the case of leaves, organic and inorganic solutes are actively transported into the phloem at source regions.
- As a result of this loading process, the phloem sap in leaves becomes more concentrated, creating a pressure gradient that drives the downward movement of solutes through the phloem.
- This downward movement allows for the distribution of nutrients and other essential compounds to various parts of the plant, including roots, fruits, and flowers.
In conclusion, the downward movement of organic and inorganic solutes from leaves occurs through the phloem by mass flow, which is driven by pressure differentials established by the loading and unloading of solutes at different plant regions.
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Downward movement of organic and inorganic solutes from leaves occurs ...
Guard cells are specialized cells in the epidermis of leaves, stems and other organs that are used to control gas exchange. The guard cells are produced in pairs with a gap between them that forms a stomatal pore. Guard cells are dumbbell shaped in monocots (e.g grasses) and bean shaped in dicots.
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Downward movement of organic and inorganic solutes from leaves occurs througha) Phloem by diffusion b) Pholem by protoplasmic streaming c) Parenchymatous cells by diffusion d) Phloem by mass flow Correct answer is option 'D'. Can you explain this answer?
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Downward movement of organic and inorganic solutes from leaves occurs througha) Phloem by diffusion b) Pholem by protoplasmic streaming c) Parenchymatous cells by diffusion d) Phloem by mass flow Correct answer is option 'D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Downward movement of organic and inorganic solutes from leaves occurs througha) Phloem by diffusion b) Pholem by protoplasmic streaming c) Parenchymatous cells by diffusion d) Phloem by mass flow Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Downward movement of organic and inorganic solutes from leaves occurs througha) Phloem by diffusion b) Pholem by protoplasmic streaming c) Parenchymatous cells by diffusion d) Phloem by mass flow Correct answer is option 'D'. Can you explain this answer?.
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