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प्रश्न
When the cells of a plant are fully distended, the condition is called ______.
पर्याय
Flaccidity
Shrinkage
Plasmolysis
Deplasmolysis
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उत्तर
When the cells of a plant are fully distended, the condition is called deplasmolysis.
Explanation:
A plasmolyzed cell absorbs water and becomes totally distended in a hypotonic solution.
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संबंधित प्रश्न
The state of a cell in which the cell wall is rigid and stretched by the increase in volume due to the absorption of water is called.
Give the equivalent term for the following:
Loss of water through a cut stem.
Differentiate between the following:
Turgor pressure and wall pressure
What is the difference between ‘flaccid’ and ‘turgid’? Give one example of flaccid condition in plants.
Give reason for the following:
It is better to transplant seedlings in a flower-bed in the evening and not in the morning.
Give suitable biological reasons for the following statement:
Root hairs become flaccid and droop when excess fertilizers are added to the moist soil around them.
Distinguish between the following:
Flaccid condition and turgid condition
Name the following:
The process by which wilting or drooping of leaves occurs.
Excessive use of fertilisers in agricultural fields reduces the yield of crops. Justify the statement.
The figure given below is a diagrammatic representation of a part of the cross-section of the root in the root hair zone. Study the same and then answer the questions that follow:
- The parts labelled as 1, 2, 3 and 4 are:
- Root hair, Xylem vessel, Soil particles, Cortex respectively.
- Xylem vessel, Soil particles, Root hair, Cortex respectively.
- Root hair, Xylem vessel, Cortex, Soil particles respectively.
- Cortex, Soil particles, Xylem vessel, Root hair respectively.
- The process that enables the passage of water from soil into the root hair is:
- Diffusion
- Active transport
- Osmosis
- Passive absorption
- The kind of force which exists between a liquid and any surface is called as:
- Cohesive force
- Adhesive force
- Capillarity
- Suction force
- The kind of force between the same kind of liquid molecules is:
- Capillary force
- Transpirational pull
- Adhesive force
- Cohesive force
- Sometimes exudation of water occurs from the margin of the leaves in the early morning or night. It is termed as:
- Transpiration
- Guttation
- Bleeding
- Osmosis
