Advertisements
Advertisements
प्रश्न
Fill in the Blank
Wilting and drooping of leaves is due to loss of ________.
Advertisements
उत्तर
Wilting and drooping of leaves is due to loss of Turgidity.
APPEARS IN
संबंधित प्रश्न
A plant cell may burst when :
Explain Turgor pressure
Give the equivalent terms for the following:
Loss of water through a cut stem.
Mention whether the following statement is true or false Correct the false statement by altering the last word only.
Cells that have lost their water content are said to be deplasmolysed.
Give reason for the following:
It is better to transplant seedlings in a flower-bed in the evening and not in the morning.
The below diagram represents a plant cell after being placed in a strong sugar solution. Guidelines 1 to 5 indicate the following:
1. Cell wall
2. Plasma membrane.
3. Protoplasm
4. Large vacuole
5. Nucleus
Study the diagram and answer the questions that follow :
(i) What is the state of the cell shown in the diagram?
(ii) Name the structure which acts as a selectively permeable membrane.
(iii) If the cell had been placed in distilled water instead of a strong sugar solution which features: would not have been present?
(iv) If the cell in the diagram possessed chloroplasts where would these be present?
(v) Name any one feature of this plant cell which is not present in animal cells.
Name the following:
The condition in which the contents of a cell exert pressure against the cell wall making it distended.
Fill in the Blank
The condition opposite to turgid is ___________.
Addition of salt to pickles is a method of killing the bacteria by ______.
Given below is the figure of a plant cell showing different kinds of pressure acting upon it. Study the figure and answer the questions that follow:
- In the figure, 1, 2 and 3 represent:
- Cytoplasm, Nucleus, Vacuole respectively
- Vacuole, Cytoplasm, Cell wall respectively.
- Cytoplasm, Cell membrane and vacuole respectively.
- Cytoplasm, Cell wall and Vacuole respectively.
- B in the figure represents:
- Osmotic pressure
- Turgor pressure
- Wall pressure
- Diffusion pressure
- A in the figure represents:
- irnbibition pressure
- Wall pressure
- Turgor pressure
- Osmotic pressure
- C in the figure represents:
- Turgor pressure
- Osmotic pressure
- Wall pressure
- Imbibition pressure
- Draw a neat and labelled diagram of a plasmolyzed plant cell.
