Question:
The plant, which bears clinging roots, is
The plant, which bears clinging roots, is
Updated On: Jul 25, 2024
- screw pine
- Podostemon
- Trapa
- orchid.
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The Correct Option is D
Solution and Explanation
Clinging roots arise from the nodes of stem and penetrate the stem of the host plant. It helps in fixing the plant to the host. It is found in orchids. Orchids bear three types of roots - clinging roots for fixation, absorbing roots for absorbing mineral salts and water and epiphytic roots for absorbing moisture from air. Screw pine (Pandanus tinctorius) has stilt roots which are formed from the nodes of lowermost portion of the stem and provide mechanical support to the plant. Trapa has assimilatory roots which manufacture food after developing chlorophyll. Podostemon is a hydrophyte in which the root performs the function of assimilation and reproduction.
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Concepts Used:
Root
A Root refers to the vascular part of any plant which is pinpointed or discovered at the lowest level and is entirely responsible for connecting the plant with the soil. It absorbs water (H20), minerals, nutrients, etc., and further feeds the plant for its development. Roots are also responsible for acting as the repository for food and nutrients of the plant.
Read More: Plant Roots
Characteristics of Roots:
- Roots are homogeneous in nature due to their potential to work towards producing similar organs like secondary or tertiary roots from the pericycle.
- Roots can be examined as positively Geotropic and Hydrotropic but negatively Phototropic.
Functions of Roots:
- The roots are in charge of providing a systematic connection to the different parts of the plant.
- It is also accountable for the storage of the reserved food material and the synthesis for the growth of the plant.