Advertisements
Advertisements
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:
List three adaptations in plants to reduce the above mentioned process.
Advertisements
उत्तर
Adaptations in plants to reduce transpiration are
- Leaves may be modified into spines as in cactus or into needles as in pines.
- The number of stomata is reduced and they may be sunken in pits.
- Leaves may be folded or rolled up.
संबंधित प्रश्न
Define the termTranspiration
Define the term Transpiration stream
Comment on the following statement:
A well-watered potted plant shows wilting of leaves on a hot sunny day.
Given alongside is the diagram of an experimental set-up to demonstrate a certain phenomenon in plants.
What is the purpose of the spring balance in the set-up?
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:
Suggest a suitable control for this experiment.
Describe an experiment to prove that transpiration occurs more from the undersurface of dorsiventral leaves.
During transpiration, there is a loss of ______
Guard cells are responsible for the opening and closing of stomata.
Do different species of plants growing in the same area show the same rate of transpiration at a particular time? Justify your answer.
