Anonymous
3 hours ago
What are the different types of parenchymatous tissues? Write their functions?
Biological science class 9th and 10th
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ChatGPT
3 hours ago
1. Simple Parenchyma: This type of parenchyma consists of thin-walled cells with a large central vacuole and a prominent nucleus. Its main function is to store food, water, and other substances, as well as provide support to the plant.
2. Aerenchyma: Aerenchyma is a type of parenchyma tissue that contains large air spaces. Its main function is to provide buoyancy to aquatic plants and facilitate gas exchange in roots and stems.
3. Chlorenchyma: Chlorenchyma is a type of parenchyma tissue that contains chloroplasts, allowing it to carry out photosynthesis. Its main function is to produce food for the plant through photosynthesis.
4. Transfer Parenchyma: Transfer parenchyma is a type of parenchyma tissue that is involved in the transport of water, nutrients, and other substances within the plant. Its main function is to facilitate the movement of substances between different parts of the plant.
5. Storage Parenchyma: Storage parenchyma is a type of parenchyma tissue that is specialized for storing various substances such as starch, oils, and proteins. Its main function is to store reserves of nutrients and water for the plant to use during times of need.
2. Aerenchyma: Aerenchyma is a type of parenchyma tissue that contains large air spaces. Its main function is to provide buoyancy to aquatic plants and facilitate gas exchange in roots and stems.
3. Chlorenchyma: Chlorenchyma is a type of parenchyma tissue that contains chloroplasts, allowing it to carry out photosynthesis. Its main function is to produce food for the plant through photosynthesis.
4. Transfer Parenchyma: Transfer parenchyma is a type of parenchyma tissue that is involved in the transport of water, nutrients, and other substances within the plant. Its main function is to facilitate the movement of substances between different parts of the plant.
5. Storage Parenchyma: Storage parenchyma is a type of parenchyma tissue that is specialized for storing various substances such as starch, oils, and proteins. Its main function is to store reserves of nutrients and water for the plant to use during times of need.
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Google Gemini AI
3 hours ago
Types of Parenchymatous Tissues and Their Functions:
1. Assimilatory Parenchyma (Chlorenchyma):
- Found in the leaves and stems of plants.
- Contains chloroplasts and is responsible for photosynthesis.
2. Aerenchyma:
- Found in aquatic plants, such as lotus.
- Has large air-filled canals or lacunae to provide buoyancy and gas exchange.
3. Storage Parenchyma:
- Found in various parts of the plant, such as tubers, roots, and fruits.
- Stores food materials like starch, sugars, and proteins.
4. Transfer Parenchyma:
- Found in regions where materials need to be transported rapidly.
- Has cells with thin cell walls and plasmodesmata to facilitate the passage of water, nutrients, and hormones.
5. Protective Parenchyma:
- Found in the outer layers of plant organs, such as the bark and epidermis.
- Has thick cell walls and may contain lignin or other substances to provide protection against mechanical damage and water loss.
6. Secretory Parenchyma:
- Found in plants that produce and secrete substances like enzymes, hormones, fragrances, or toxins.
- Has specialized cells with secretory structures such as glands or cells with specialized vesicles.
7. Hydrenchyma:
- Found in the mesophyll of leaves and stems of some plants.
- Has cells that are large and thin-walled, containing a large vacuole for water storage.
8. Pneumathochorechyma:
- Found in the cortex of some aquatic plants.
- Consists of large, air-filled cells that provide buoyancy and facilitate gas exchange.
9. Transfusion Parenchyma:
- Found in the leaf midrib of certain plants, such as conifers.
- Has elongated cells with numerous plasmodesmata to facilitate the movement of water and nutrients across the leaf.
1. Assimilatory Parenchyma (Chlorenchyma):
- Found in the leaves and stems of plants.
- Contains chloroplasts and is responsible for photosynthesis.
2. Aerenchyma:
- Found in aquatic plants, such as lotus.
- Has large air-filled canals or lacunae to provide buoyancy and gas exchange.
3. Storage Parenchyma:
- Found in various parts of the plant, such as tubers, roots, and fruits.
- Stores food materials like starch, sugars, and proteins.
4. Transfer Parenchyma:
- Found in regions where materials need to be transported rapidly.
- Has cells with thin cell walls and plasmodesmata to facilitate the passage of water, nutrients, and hormones.
5. Protective Parenchyma:
- Found in the outer layers of plant organs, such as the bark and epidermis.
- Has thick cell walls and may contain lignin or other substances to provide protection against mechanical damage and water loss.
6. Secretory Parenchyma:
- Found in plants that produce and secrete substances like enzymes, hormones, fragrances, or toxins.
- Has specialized cells with secretory structures such as glands or cells with specialized vesicles.
7. Hydrenchyma:
- Found in the mesophyll of leaves and stems of some plants.
- Has cells that are large and thin-walled, containing a large vacuole for water storage.
8. Pneumathochorechyma:
- Found in the cortex of some aquatic plants.
- Consists of large, air-filled cells that provide buoyancy and facilitate gas exchange.
9. Transfusion Parenchyma:
- Found in the leaf midrib of certain plants, such as conifers.
- Has elongated cells with numerous plasmodesmata to facilitate the movement of water and nutrients across the leaf.
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