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प्रश्न
Define the following term:
Wilting
उत्तर
The collapse of leaves and stems is frequently the result of excessive water loss through transpiration, which leads to wilting, the loss of turgidity in plant cells.
संबंधित प्रश्न
Give suitable explanation for the following:
Cork and bark of trees help in preventing loss of water
Give a reason.
What happens to the movement of the air-bubble if the apparatus shown above is kept in front of a fan?
Describe an experiment to prove that transpiration occurs more from the undersurface of dorsiventral leaves.
Name the cell that surrounds the stoma.
Guard cells are responsible for the opening and closing of stomata.
Boojho wanted to test the presence of starch in leaves. He performed the following steps.
- He took a leaf and boiled it in water.
- He placed the leaf in a petri dish and poured some iodine over it.
He did not get the expected result. Which step did he miss? Explain.
Analogy:
Photosynthesis: ______:: Transpiration: Stomata
Why is transpiration called a necessary evil?
Which one is not related to transpiration?
Describe briefly the three physical properties of water which helps in ascent of water in xylem.
