With a neat labeled diagram describe the structure of a plant cell.
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Solution
Cell: A cell is a structural and functional unit of life.
Plant cell :
Plant cells are rigid and rectangular in shape because of the presence of a cell wall.
Plant cells have different cell organelles as follows :
1. Cell wall :
Cell wall is an outer rigid covering of the cell which is made up of cellulose.
Cell wall provides protection to the cell against mechanical shocks.
It gives shape and rigidity to the plant cell.
2. Cell membrane :
The cell membrane is a semipermeable membrane just inside the cell wall which concludes the protoplasm of the cell.
The cell membrane protects the cell.
It gives a definite shape to the cell.
Regulate the transport of substances in and out of the cell.
3. Cytoplasm :
The cytoplasm is a jelly-like substance that contains the cell organelles.
The cytoplasm contains membrane-bound organelles and cell inclusions.
It contains the essential element and nutrients required for the growth and development of the cell.
4. Nucleus :
The nucleus is a dense body found in the cell which controls all the activities of the cells.
The nucleus is made up of nuclear membrane, nucleoplasm, nucleolus, and chromosomes which contain genetic materials.
5. Mitochondria :
Mitochondria is a double-layered cell organelle that is one of the energy-producing organelles in the cell.
Mitochondria produces and stores energy in the form of ATP by cellular respiration.
Mitochondria are called as “powerhouse of the cell”.
6. Vacuoles :
Vacuoles are the membrane-bound cell organelles that are used for storage.
These are present in both animal and plant cells but plant cells contain larger vacuoles than the animal cell.
Vacuoles store food as well as the essential nutrients needed for cells.
Vacuoles also store waste material produced after the metabolic activities in the cell.
7. Plastids :
Plastids are the large cell organelles present only in plant cells.
There are three types of plastids: chromoplast, leucoplast, and chloroplast.
The plastids which are colorless are called leucoplast, which contains different colors are called chromoplast, and which contains a green pigment chlorophyll is called the chloroplast.
