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प्रश्न
Given alongside is the diagram of an experimental set-up to demonstrate a certain phenomenon in plants.
Name the phenomenon being demonstrated.
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उत्तर
Transpiration
संबंधित प्रश्न
What are stomata?
The loss of water in the form of water vapour through stomata on leaves is known as ___________.
State whether the following statement is true or false. Rewrite the false statement correctly.
Transpiration cools the plant when it is hot outside.
Transpiration is the loss of water as water ______ from the ______ parts of the plant.
A well watered healthy potted plant with variegated leaves was kept in darkness for about 24 hours. It was then set up as shown in the diagram and exposed to light for about 12 hours. At the end of this time, leaf x and y were tested for starch. Study the diagram and answer the questions that follow:
(i) Why was the plant initially kept in darkness for 24 hours?
(ii) What is the function of sodium hydroxide solution in the flask?
(iii) Select the correct leaf from the five available choices shown in the diagram as a, b, c, d and e. Rewrite the correct answer by filling in the appropriate letter for the questions that follow:
1. After the starch test, leaf x would look like ______.
2. After the starch test, leaf y would look like ______.
(iv) The experiment with leaf y shows that photosynthesis requires the presence of certain factors. Mention any one factor.
Give the importance of transpiration?
Stamen has two parts called ______ and ______.
Analogy:
Photosynthesis: ______:: Transpiration: Stomata
Entry of water into root hair is the demonstration of which of the following process?
(a) State whether the following statement are True or False.
(b) Rewrite the false statement in the correct form by changing either the first or the last word only.
Transpiration helps to cool the body of the plant.
