Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
Transpiration: It is the loss of water in the form of water vapour usually during day time.
Following are its importance in plants:
1. It causes transpirational pull which helps in the absorption of water.
2. It produces a cooling effect.
3. It helps in the ascent of sap.
APPEARS IN
संबंधित प्रश्न
Describe an experiment to show that the plant loses water through its leaves.
Transpiration helps in creating ______ force and in eliminating excess ______.
(a) State whether the following statements are True Or False?
(b) Rewrite the false statements,in the correct form by changing either the first or the last word only .
Voltmeter is an instrument used for measuring the rate of transpiration in green plants.
Which of the following statements are true and which ones are false? Give reason in support of your answer.
Some desert plants have sunked stomata on their leaves.
Answer the following (only in few words);
In which form, water comes out in transpiration?
What are the disadvantages of transpiration?
Give Technical Term
The apparatus used to compare the rate of transpiration in cut shoot.
State the Location:
Hydathodes
Choose the Odd One Out
An outline sketch of a tree is shown in a diagram below. Study the same and answer the questions that follow:
- Name and define the phenomenon labelled A in the diagram.
- Write the significance of the process mentioned in A for the plants.
- What do the direction of the arrows in B and C indicate? Name the phenomena.
- Draw a neat and labelled diagram of an opened stomata.
