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प्रश्न
Name the following:
The openings on the barks of trees through which transpiration occurs.
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उत्तर
Lenticels
संबंधित प्रश्न
Choose the correct answer:
Stomata open during day time because guard cells
Give Reasons for the following:
Guard cells are small in size and are kidney-shaped in outline.
Differentiate Between Stomata and Hydathodes.
Given below are the diagrams of a certain structure in plants in two conditions.
(i) Name the structure shown.
(ii) Name the parts numbered 1-5.
(iii) What is the most apparent difference between A and B in the structure shown?
(iv) Describe the mechanism which brings about the change in the structure depicted in A and B.
Given below is an apparatus used to study a particular process in plants. Study the same and answer the questions that follow :
(i) Name the apparatus.
(ii) Mention one limitation of this apparatus.
(iii) Which phenomenon is studied with the help of this apparatus?
(iv) What is the function of the part marked ‘reservoir’?
(v) What is the role of the air bubble in the experiment?
Complete the following sentence with appropriate word:
Openings found on the undersurface of the dorsiventral leaf are ___________.
State the Location:
Stomata
Choose the Odd One Out
Name the three kinds of transpiration.
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.
