Plant growth and Development In One Shot - JEE/NEET/Class 11th Boards | Victory Batch
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Biology
Institution
This is the last chapter of 11th grade: plant growth and development. The title of the chapter itself suggests plant growth, so we are going to talk about plant growth.
Plant growth and Development In One
Shot - JEE/NEET/Class 11th Boards |
Victory Batch
Physics Wallah - English
Plant growth and development is the subject of the final chapter for the eleventh grade. The
title of the chapter itself suggests plant growth, so we are going to talk about plant growth.
Some plants, such as dicots and gymnosperms, have an indeterminate or open thickness.
The growth is due to the increase in the protoplasmic content of the cell, which cannot be
measured as a result. We measure the growth indirectly by studying the change that occurs
due to the increase in the amount of cell size and the volume of the cells, because of which
the cell will divide, resulting in an increase in the number of cells and thus the body growing.
There are three typical phases of growth:
● The zone of the meristem
● The phase of elongation
● The phase of maturation.
This phase of growth is characterized by increased evacuation and an increase in cell wall
thickness. The cell only has a primary cell wall, which is very thin and flexible, but as the cell
grows, it expands, giving space for more deposition of a secondary cell wall.
There are two ways to measure the growth rate.
● One type of growth rate is arithmetic - If the number of trophies increases, this is
known as arithmetic growth in plants. To understand what happens in arithmetic
growth, consider if there is one cell right now that is actively dividing and wants to
divide.
The graph of arithmetic growth is a straight line that does not pass through the
center because it has a y-intercept with a value equal to 1.
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