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प्रश्न
Define the term:
Guttation
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उत्तर
Guttation is defined as the loss of water in the form of water droplets from the leaves of intact plants. It is also called exudation.
संबंधित प्रश्न
Fill in the blank:
Water is lost from the leaves by__________.
Define the termTranspiration
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.
Name the cell that surrounds the stoma.
During transpiration, there is a loss of ______
Plants lose water by the process of transpiration.
Analogy:
Photosynthesis: ______:: Transpiration: Stomata
Why is transpiration called a necessary evil?
Which one is not related to transpiration?
Plants show temporary and permanent wilting. Differentiate between the two. Do any of them indicate the water status of the soil?
