Difference between Sieve Cells and Sieve Tubes - BYJU'S
The sieve tubes are largely dispersed with plasmodesmata in groups in their walls that later develop into sieve plates. The sieve tubes are very long and have horizontal end walls. The …
What is the function of sieve plates? - BYJU'S
Sieve plates: Sieve plates are the connecting links between the sieve tubes in vascular plants. These are often found overlapping the cell walls of adjacent cells. Functions of sieve plates: …
Why sieve tubes are called sieve plates? - BYJU'S
Sieve plates: The sieve tubes consist of thick primary walls with perforated end walls, transverse or oblique. The transverse end wall of the sieve tube is called the sieve plate, which is …
A Detailed Overview of Phloem - BYJU'S
The sieve plates also serve as a barrier to stop sap loss when the phloem is cut or harmed, which is frequently done by an insect or herbivore. Gymnosperms contain more primitive sieve …
Diagram of Phloem Tissue - BYJU'S
Phloem is a living vascular conducting tissue found in angiosperms and gymnosperms. It is composed of three types of cells, sieve elements, parenchyma cells and the supportive cells. …
Definition & Process, Sieving Method Of Separation with Videos
These sieve plates allow the fine flour particles to pass through the holes of the sieve plate while the bigger impurities are unable to pass through it and remain on the sieve. This method of …
Study the diagram given below and then answer the questions
4 → Sieve plate (c) The phloem is a food-conducting tissue and is likely to be found in the leaves and stem of plants to carry the food manufactured in the leaves to various parts of the plant. …
Identify A, B and C of phloem - BYJU'S
The correct option is B A = Sieve tube, B = Phloem parenchyma, C = companion cell A - Sieve tube elements are long tube like structures arranged longitudinally and are associated with the …
Sieve tubes are characterised by: - BYJU'S
Sieve plate (oblique transverse perforated septa) is present between the two sieve tube elements at their end wall. It is porous. Materials are transported through these pores. Callose deposited …
Why are perforated walls present in sieve tubes which is a ... - BYJU'S
Sieve tubes: Sieve tubes act as the conducting structure of the phloem. Phloem is responsible for the transport of organic molecules to the different parts of the plant. Therefore, the molecules …