Advertisements
Advertisements
प्रश्न
What causes the opening and closing of guard cells of stomata during transpiration?
उत्तर
During transpiration, the movement of (Potassium) ions, in and out of the guard cells, causes the opening and closing of the stomate. When the water moves inside the guard cells, causing them to swell up and become turgid, making the stomata open. When guard cells cause water to move out of the cell, make guard cells shrunk, and the stomata pore closes.
APPEARS IN
संबंधित प्रश्न
Which of the following helps in the upward movement of water and dissolved minerals from the roots to the leaves through the stem?
Transpiration is defined as:
State whether the following statement is true or false. Rewrite the false statement correctly.
Transpiration cools the plant when it is hot outside.
How does transpiration help the roots absorb water and minerals from the soil?
Define the termTranspiration
Design an experiment to demonstrate the transpiration process.
During transpiration, there is a loss of ______
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.
Plants show temporary and permanent wilting. Differentiate between the two. Do any of them indicate the water status of the soil?
Define the following term:
Wilting