Biology
Hydathodes are located on:
- At the petiole
- Upper surface of leaves
- Lower surface of leaves
- Margins of leaves
Transpiration
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Answer
Margins of leaves
Reason — Hydathodes are the tiny pores located on leaf margins. They are responsible for guttation.
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Related Questions
The upper layer of mesophyll in a leaf consists of elongated ground tissue called:
- Spongy parenchyma.
- Palisade cells
- Xylem cells
- Phloem cells
Transpiration is significant for all except:
- Cooling effect
- Suction pull
- Ascent of sap
- Translocation of food
When guard cells are flaccid, the stoma must be:
- Open
- Neither open nor closed
- Closed
- None of these
Name the following:
(a) Openings on the stem through which transpiration occurs.
(b) The process by which the intact plant loses water in the form of droplets.
(c) An instrument used to find the rate of transpiration.
(d) A plant in which the stomata are sunken.
(e) The apparatus to record the rate of transpiration in a cut shoot.
(f) Any two parts of a leaf which allow transpiration.
(g) The structure in a leaf that allows guttation.
(h) Loss of water as droplets from the margins of certain leaves.