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plant growth and development chapter 15

What is plant growth and development in short notes?
Plant growth is a process characterized by the irreversible change in the size of cells and organs that is a result of cell division and enlargement.
Plant development is the process of progression from seed germination to maturation.
Is growth measurable class 11 notes?
15.
2) Growth is Measurable
At the cellular level, growth is defined as a rise in protoplasm.
This rise is difficult to measure.
Hence, we can track the growth of the cell, its number, and its size.
The increase in fresh weight, length, dry weight, area, volume, and cell number determines growth.
What is the conclusion of plant growth and development?
Conclusion.
Plants grow through a combination of cell division and cell growth.
Cell division increases the number of cells through cell mitosis, and cell growth increases the cell size.
The growth phases are divided into 3 phases: The meristematic phase, elongation phase, and maturation phase.
The stages that plants go through are from seed to sprout, then through vegetative, budding, flowering, and ripening stages.
Similarly, the nutritional needs of people and plants change as they grow.

What is plant growth and development in short notes?