Question

three types of plasmolysis occur in plants ​

Answer 1

No only two types of plasmolysis is occur in plants......

Plasmolysis is mainly known as shrinking of cell membrane in hypertonic solution and great pressure. Plasmolysis can be of two types, either concave plasmolysis or convex plasmolysis. Convex plasmolysis is always irreversible while concave plasmolysis is usually reversible

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Answer 2

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Plasmolysis

is defined as the process of contraction or shrinkage of the protoplasm of a plant cell and is caused due to the loss of water in the cell. Plasmolysis is one of the outcomes of osmosis and rarely occurs in nature.

Types of Plasmolysis:-

There are two different types of plasmolysis and this classification is mainly based on the final structure of the cytoplasm.

Concave Plasmolysis

During the concave plasmolysis, both the cell membrane and protoplasm shrink away and begins to detach from the cell wall, which is caused due to the loss of water. Concave plasmolysis is a reversible process and it can be revised by placing the cell in a hypotonic solution, which helps calls to regain the water back into the cell.

Convex plasmolysis

During the convex plasmolysis, both the cell membrane and protoplasm lose so much water that they completely get detach from the cell wall. Later, the cell wall collapses and results in the destruction of the cell. Alike concave plasmolysis, convex plasmolysis cannot be reversed, and this happens when a plant wilts and dies from lack of water. This type of plasmolysis is more complex compared to convex plasmolysis.

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