Advertisements
Advertisements
प्रश्न
Give a reason/suitable explanation.
More transpiration occurs from the under surface of a dicot leaf.
उत्तर
Because of its increased number of stomata, the lower surface of a dicot leaf experiences a greater amount of transpiration.
संबंधित प्रश्न
State the functions of guard cells.
Given below is an experimental set up to study a particular process:
(i) Name the process being studied.
(ii) Explain the process named in (i) above.
(iii) Why is the pot covered with a plastic sheet?
(iv) Mention one way in which this process is beneficial to the plant.
(v) Suggest a suitable control for this experiment.
Give Technical Term
Opening found on the undersurface of the dorsiventral leaf.
Complete the following sentence with appropriate word:
95% of the total transpiration takes place through ________.
Mark the most appropriate answer in the following:
Stomata open during day and close at night because:
How will you differentiate the different types of transpiration?
Guard cells help in regulating the ______.
Name the three kinds of transpiration.
Give a reason/suitable explanation.
Leaves of some plants wilt during midday and recover in the evening.
The given figure represents an experiment:
- Leaf A was coated with grease on both surfaces.
- Leaf B was coated with grease on the lower surface.
- Leaf C was coated with grease on the upper surface.
- Leaf D was left without any application of grease. All four leaves A, B, C and D were left in a room for about 24 hours.
- Which leaf dries first? Give reason.
- Which leaf dries last? Give reason.
