Advertisements
Advertisements
प्रश्न
Transpiration is defined as:
विकल्प
the rise of water up to the stem of a plant.
the elimination of water with dissolved water products.
the loss of water as water vapour from the aerial parts of a plant.
the loss of water as water vapour from the roots as well as the leaves of the plant.
उत्तर
the loss of water as water vapour from the aerial parts of a plant.
APPEARS IN
संबंधित प्रश्न
Fill in the blank with the suitable term given below:
Transpiration is more when the wind is blowing _____.
Multiple choice question. Tick (✓) the correct choice:
The loss of water through the stomata of leaves is called
(a) transpiration
(b) wilting
(c) evaporation
(d) osmosis
Transpiration is the loss of water as water ______ from the ______ parts of the plant.
Comment on the following statement:
A well-watered potted plant shows wilting of leaves on a hot sunny day.
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:
Explain the process named above in 7.1.
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:
List three adaptations in plants to reduce the above mentioned process.
Answer the following question.
Define and or explain the term:
Guttation
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.
Observe the following diagram and identify the process and its significance from the following options: