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प्रश्न
Which of the following helps in the upward movement of water and dissolved minerals from the roots to the leaves through the stem?
विकल्प
Transportation
Translocation
Tropic movement
Transpiration
उत्तर
Transpiration
Transpiration is the loss of water through the stomata of leaves and other aerial parts of the plants in the form of water vapour. It provides a transpirational pull, which is responsible for the upward movement of water and dissolved minerals from the roots to the leaves through the stem.
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संबंधित प्रश्न
How does transpiration help in the uptake of water from the soil?
(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.
Most transpiration occurs at midnight.
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On a bright sunny day, the leaves of certain plants roll up.
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The percentage of cuticular transpiration in plants is _____________
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:
Why was the pot covered with a plastic sheet?
What are stomata? What governs the opening and closing of stomata?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Moist cobalt chloride paper is blue in colour.
What causes the opening and closing of guard cells of stomata during transpiration?
Entry of water into root hair is the demonstration of which of the following process?
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?
