Advertisements
Advertisements
प्रश्न
The process of evaporative loss of water from the aerial parts of a plant is ______.
विकल्प
Ascent of sap
Translocation
Transpiration
Exudation
उत्तर
The process of evaporative loss of water from the aerial parts of a plant is transpiration.
Explanation:
Transpiration is the loss of water in the form of vapour from the aerial regions of a plant through the stomata, lenticel and cuticle.
संबंधित प्रश्न
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:
- Name the process being studied.
- Explain the process named above in Q.3(a)(i).
- Why was the pot covered with a plastic sheet?
- Suggest a suitable control for this experiment.
- Mention two ways in which this process is beneficial to plants.
- List three adaptations in plants to reduce the above mentioned process.
Distinguish between the following :
Cuticular transpiration and lenticular transpiration
What are stomata? What governs the opening and closing of stomata?
Describe an experiment to prove that transpiration occurs more from the undersurface of dorsiventral leaves.
Answer the following question.
Define and or explain the term:
Guttation
Answer the following question.
Define and or explain the term:
Transpiration
Stomata of a plant open due to ______.
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?
A root hair is derived from ______ cell.
