Which one of the following is motivative force for growth ?a)Turgor pressureb)Root pressurec)Atmospheric pressured)Osmotic pressureCorrect answer is option 'A'. Can you explain this answer?

Question

Answer

Turgor pressure is help in cell growth by osmosis.

Answer

Turner pressure is write one because we know that when water enter the cell it start to swell and it doesn't rupture also it maintains its rigidity

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Turgor pressure - it is the pressure which push the plasma membrane against cell wall ... Due too which growth take place ...

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This pressure  is caused by the osmotic flow of water from an area of low solute concentration outside the cell into the cell vacuole, which has a higher solute concentration. Healthy plant cells are turgid and plants rely on turgidity to maintain rigidity.

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Turger pressure created by inflow of water into cell.when the cells become fully turgid it imparts pressure  on cell wall,for extension..on stimulated pressure plants show extensive cell growth.

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Turgor pressure is help in cell growth by osmosis.,

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Turgor pressure

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Turgur pressure

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Turgor Pressure: The Key Motivative Force for Growth
Turgor pressure is a critical factor that drives the growth of plant cells and overall plant development. Here’s a detailed explanation of why turgor pressure is considered the primary motivative force for growth.
What is Turgor Pressure?
- Turgor pressure is the pressure exerted by the fluid (mainly water) inside the central vacuole of a plant cell against the cell wall.
- This pressure is essential for maintaining the rigidity and structural integrity of plant cells.
How Does Turgor Pressure Facilitate Growth?
- Cell Expansion: When water enters the cell, it fills the vacuole, increasing turgor pressure. This pressure pushes the cell wall outward, leading to cell elongation, which is fundamental for plant growth.
- Support Structural Integrity: High turgor pressure keeps cells firm and prevents wilting, allowing plants to maintain upright structures, which is vital for sunlight absorption and photosynthesis.
- Nutrient Transport: Turgor pressure is also essential for the movement of nutrients and water within the plant, ensuring that all parts receive adequate resources for growth.
Comparative Analysis with Other Pressures
- Root Pressure: While root pressure helps in the movement of water and nutrients from roots to the rest of the plant, it is not the primary force driving cell expansion.
- Atmospheric Pressure: This does not directly influence cellular growth but can affect water availability.
- Osmotic Pressure: Although related to water movement, osmotic pressure primarily aids in water absorption rather than promoting cell expansion directly.
In conclusion, turgor pressure is the most significant motivative force for plant growth because it fundamentally supports cell expansion, maintains structural integrity, and facilitates nutrient transport.

Answer

Turgor pressure is the water pressure maintained by osmosis.
It is also known as the driving force for cell extension, any general theory of plant growth requires quantitative information on the relationship between steady irreversible growth rate and turgor pressure.
At constant turgor pressure, growth is irreversible.

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