Table of Contents
What substances are transported by phloem?
Substance transported through phloem tissue are sucrose and amino acid. Phloem is the living tissue in vascular plants that transports the soluble organic compounds made during photosynthesis and known as photosynthates, in particular the sugar sucrose, to parts of the plant where needed.
What carbohydrate is translocated in the phloem?
Carbohydrates are mainly transported in the phloem in the form of sucrose. The cell membrane of the sieve cells contains pump proteins that actively convey sucrose into the vascular pathways.
How is the food translocated in the phloem?
The food (sugar) made in leaves is loaded into the sieve tubes of phloem tissue by using the energy derived from ATP. As a result, the osmotic pressure in the tissue increases, causing the water to move into it. This process is helpful in moving the food materials according to the needs of the plant.
What is meant by translocation in plant?
Answer: Translocation is a biological mechanism involving the transfer of water and other soluble nutrients from one part of the plant to another through the xylem and phloem, which occurs in all plants.
What does phloem carry up the stem?
The xylem and the phloem make up the vascular tissue of a plant and transports water, sugars, and other important substances around a plant. Phloem is responsible for transporting food produced from photosynthesis from leaves to non-photosynthesizing parts of a plant such as roots and stems.
What are plant assimilates?
In the process of photosynthesis, carbon dioxide (CO2) and water (H2O) are trans-formed into sugars or assimilates, with the help of energy from sunlight. These sugars can be used as building blocks for plant tissue production and to make new cells, for instance.
How are sugars transported by the phloem?
The mechanism by which sugars are transported through the phloem, from sources to sinks, is called pressure flow. At the sources (usually the leaves), sugar molecules are moved into the sieve elements (phloem cells) through active transport.
What are the substances translocated in the phloem Class 10?
THROUGH PHLOEM The transport of food/glucose and also amino acids and other substances from the leaves to the different parts of the plant body is called TRANSLOCATION.
What is food translocated in plants?
Translocation is the movement of nutrients and other materials from leaves to other tissues throughout the plant. Plants produce carbohydrates (sugars) in their leaves by photosynthesis, but nonphotosynthetic parts of the plant also require carbohydrates and other organic and nonorganic materials.
What is ment by translocation?
Transport of soluble product of photosynthesis or food from leaves to other parts of plants is called translocation.
Where are the substances translocated by the phloem delivered Class 10?
The food substances translocated by phloem are delivered to all the parts of the plant mainly parts concerned with storage such as roots and stems so that it can be stored for future use.