Question:

Guttation takes place through

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Guttation, which is often confused with the dew drop, can be defined as the drops of xylem sap on the edges of the leaves of some vascular plants, such as grasses or a number of fungi. 

Updated On: Sep 12, 2022
  • Cuticle
  • Stomata
  • Lenticels
  • Hydathodes
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The Correct Option is D

Solution and Explanation

The correct answer is (d) Hydathodes

Guttation is the loss of water that takes place in the form of dilute solution from the openings present on the margins of the leaves. It occurs through stomata or hydathodes, when the root pressure increases and the soil is well watered but humidity is high. Increased root pressure forces the xylem sap to move out of the specialized opening in the leaf margin.

Therefore, option (d) Hydathodes is the correct option.

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Concepts Used:

Transport in Plants

The two types of conducting tissues that are used to transport the water and minerals in plants such as:

Xylem:

Xylem is a long, non-living tube running from the roots to the leaves via the stem. The water is absorbed by the root hair and goes through cell-to-cell movement by osmosis until it reaches the xylem. This water is then transported throughout the xylem vessels to the leaves and is evaporated by the process of transpiration.

The xylem is also composed of lengthened cells like the phloem. However, the xylem is mainly accountable for transporting water to all plant parts from the roots. Since they serve such a vital function, a single tree would have a lot of xylem tissues.

Phloem:

The phloem is accountable for the translocation of nutrients and sugar like carbohydrates, produced by the leaves to areas of the plant that are metabolically in force. It is powered by living cells. The cell walls of these cells structurize small holes at the ends of the cells known as sieve plates.

Means of Transportation in Plants:

Transportation in plants is by 3 means, they are as follows:

  • Diffusion
  • Facilitated diffusion
  • Active Transport