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प्रश्न
Differentiate between Transpiration and Evaporation
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उत्तर
| Transpiration | Evaporation | ||
| 1 | It occurs in plants | 1 | It occurs from any free surface and involves living and non-living surfaces. |
| 2 | It is a physiological process. | 2 | It is a physical process. |
| 3 | It occurs mainly through the stomatal pores on plant leaves. | 3 | It is occurs through any free surface |
| 4 | It is controlled by environmental factors as well as physiological factors of plants such as root-shoot ratio and number of stomata. | 4 | It is entirely driven by environmental factors |
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संबंधित प्रश्न
Water reaches great heights in the trees because of suction pull caused by ______.
Under what conditions do plant transpire more quickly?
Briefly explain, how transpiration helps in upward conduction of water in plants?
State whether the following statement is true or false. Rewrite the false statement correctly.
Transpiration is the loss of water from the roots of the plant.
State whether the following statement is true or false. Rewrite the false statement correctly.
Transpiration cools the plant when it is hot outside.
Define the termTranspiration
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.
An apparatus as shown below was set up to investigate a physiological process in plants. The setup was kept in sunlight for two hours. Droplets of water were then seen inside the bell jar. Answer the questions that follow:
Suggest a suitable control for this experiment.
An apparatus as shown below was set up to investigate a physiological process in plants. The setup was kept in sunlight for two hours. Droplets of water were then seen inside the bell jar. Answer the questions that follow:
Mention two ways in which this process is beneficial to plants.
What are stomata? What governs the opening and closing of stomata?
Define the following term:
Transpiration
Name the cell that surrounds the stoma.
Guard cells are responsible for the opening and closing of stomata.
Boojho’s uncle was hospitalised and put on dialysis after a severe infection in both of his kidneys.
What is dialysis?
Write a note on Transpiration.
Keep some freshly cut flowers in a solution of food colour. Wait for sometime for the dye to rise in the flower, when the stem of the flower is held up in light, coloured strands can be seen inside. Can this experiment demonstrate which tissue is conducting water up the stem?
Water molecule is very polar. Polar end of molecule attracts opposite charges on another water molecule (acts like magnet). How will you explain this property of water with reference to upward movement of water? Comment on the upward movement of water given the intermolecular hydrogen bonding in water.
A root hair is derived from ______ cell.
Name the structures through which Transpiration occur in a plant.
