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Diagrame of plant cell and animal cell - Class 9 PDF Download
Diagrame of plant cell and animal cell?
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Cells have often been referred to as "the building blocks of life", which indeed they are. All forms of life, from simple bacteria to human beings, are made up of cells. What is remarkable is that, despite their apparent differences, plant and animal life are made up of cells that are actually the same in most respects.
The most important structures of plant and animal cells are shown in the diagrams below, which provide a clear illustration of how much these cells have in common. The significant differences between plant and animal cells are also shown. The diagrams are followed by more in-depth information.
The structures within the cell, such as the nucleus and mitochondria, are known as organelles. The diagram above is of a "generic" animal cell. In both animals and plants, cells generally become specialized to perform certain functions. Nerve cells, bone cells and liver cells, for example, all develop in ways that enable them to better perform their specific duties. Most animal cells, however, contain the structures shown in the diagram.
Below is a "generic" plant cell diagram. The structure of plant cells can vary during the early stages of growth. This diagram depicts a mature plant cell.
FAQs on Diagrame of plant cell and animal cell - Class 9
| 1. What are the main differences between a plant cell and an animal cell? |  |
Ans. Plant cells have cell walls, chloroplasts for photosynthesis, and large central vacuoles, whereas animal cells do not have cell walls, chloroplasts, or central vacuoles. Animal cells may have centrioles, which are absent in plant cells.
| 2. What is the function of the cell wall in a plant cell? | |
Ans. The cell wall in a plant cell provides structural support and protection. It helps the plant cell maintain its shape and prevents it from bursting under osmotic pressure. The cell wall also allows for cell-cell communication and plays a role in plant growth and development.
| 3. How do chloroplasts in plant cells contribute to their function? | |
Ans. Chloroplasts are responsible for photosynthesis, the process by which plants convert sunlight into energy-rich molecules such as glucose. They contain chlorophyll, a pigment that captures light energy, and other molecules that facilitate the conversion of light energy into chemical energy.
| 4. What is the role of the central vacuole in a plant cell? | |
Ans. The central vacuole in a plant cell stores water, ions, nutrients, and waste products. It helps maintain turgor pressure, which is essential for plant support and rigidity. The central vacuole also plays a role in regulating cell volume and storing pigments and toxins.
| 5. Do animal cells have any structures that are absent in plant cells? | |
Ans. Yes, animal cells have centrioles, which are cylindrical structures involved in cell division. Centrioles help in the formation of the spindle apparatus during mitosis and play a crucial role in organizing the microtubules in animal cells. Plant cells do not have centrioles.
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