Short Answer Type
Long Answer Type|
Apoplast pathway |
Symplast pathway |
|
1. Apoplast is the system of adjacent walls and continuous through the plant except at casparian strips. 2. There is no role of plasmodesmata. 3. It occurs through cell wall and intercellular spaces. Cell membrane is not crossed. 4. It is fast. 5. It is not aided by streaming movement of cytoplasm. 6. It does not involve osmosis. |
1. It is the system of interconnected protoplasts. 2. Continuity of protoplasm from one cell to another cell is through plasmodesmata. 3. It occurs through cell membrane. 4. It is slow. 5. It is aided by streaming movements of cytoplasm. 6. It involves osmosis. |
Short Answer TypeWith the help of well-labelled diagrams, describe the process of plasmolysis in plants, giving appropriate examples.
(b) Explain what will happen to a plant cell if it is kept in a solution having higher water potential.
Long Answer Type
Multiple Choice QuestionsWater vapour comes out from the plant leaf through stomatal opening. through the same stomatal opening. carbon dioxide diffuses into the plant during photosynthesis. Reason out the above statements using the following options
Both processes can happen together because the diffusion coefficient of water and CO2 is different
The above processes happen only during night time
One process occurs during day time and other at night
One process occurs during day time and other at night
Which of the following criteria dows not pertain to facilitate transport?
Requirement of special membrane proteins
High selectivity
Transport saturation
Transport saturation
Switch
