Class 9 Exam > Class 9 Videos > Science Class 9 > Permanent Tissues, Plant Tissues (Easy Explanation)
Permanent Tissues, Plant Tissues (Easy Explanation) Video Lecture | Science Class 9
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FAQs on Permanent Tissues, Plant Tissues (Easy Explanation) Video Lecture - Science Class 9
| 1. What are permanent tissues in plants? |  |
Ans. Permanent tissues in plants are specialized cells that have lost their ability to divide and have attained a specific form and function. These tissues are responsible for providing support, conducting water and nutrients, storing food, and protecting the plant.
| 2. How are plant tissues different from animal tissues? | |
Ans. Plant tissues differ from animal tissues in several ways. Firstly, plant tissues have a rigid cell wall made up of cellulose, while animal tissues lack cell walls. Secondly, plant tissues have chloroplasts, which are responsible for photosynthesis, while animal tissues do not have chloroplasts. Lastly, plant tissues have a large central vacuole, which helps maintain the turgidity of the cells, while animal tissues have smaller vacuoles or none at all.
| 3. What are the types of permanent tissues in plants? | |
Ans. There are two main types of permanent tissues in plants: meristematic tissues and permanent or non-meristematic tissues. Meristematic tissues are responsible for the growth and development of the plant, while permanent tissues are formed from meristematic tissues and have specialized functions such as providing support, conducting materials, and storing food.
| 4. How do permanent tissues contribute to the growth of plants? | |
Ans. Permanent tissues contribute to the growth of plants by providing structural support and conducting materials throughout the plant. For example, the xylem tissue transports water and minerals from the roots to the leaves, while the phloem tissue transports sugars and other organic compounds from the leaves to other parts of the plant. Additionally, permanent tissues such as collenchyma and sclerenchyma provide mechanical support to the plant.
| 5. Can permanent tissues in plants undergo cell division? | |
Ans. No, permanent tissues in plants cannot undergo cell division. Once a cell differentiates into a permanent tissue, it loses its ability to divide. This is because the cells of permanent tissues have specialized structures and functions that are necessary for their specific roles in the plant. However, meristematic tissues, which are found in the growing regions of plants, are capable of cell division and give rise to new cells that can differentiate into permanent tissues.
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Dec 25, 2024 Last updated |
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