Advertisements
Advertisements
Question
Name the following:
openings on the stem through which transpiration occurs.
Solution
Lenticels
APPEARS IN
RELATED QUESTIONS
State the functions of guard cells.
How do stomata differ from a lenticel?
The figure below represents the vertical section of a leaf:
(i) Name the parts labeled 1 to 5.
(ii) What do the two arrows (dotted and solid) indicate in the day time and at night?
(iii) Could you add one more arrow in the figure? If yes, what for?
(iv) How many leaf veins have been shown in this section?
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.
Draw a labeled diagram of the stomatal apparatus and label the following in it: Stoma, Guard cells, Chloroplast, Epidermal cells, and Cell wall.
Write the functional activity of the following structure:
Stomata
Mark the most appropriate answer in the following:
Stomata open during day and close at night because:
Name the following:
The openings on the barks of trees through which transpiration occurs.
Name the three kinds of transpiration.
Given below is the figure of a stoma. Study the same and answer the following questions:
- Label the guidelines A and B.
- Write the exact location of the above-mentioned structures.
- Mention one important role of structure A.
- Write three important roles for structure B.
- Redraw the same figure when structures A are in flaccid condition. When does the flaccid condition occur?
