Class 9  >  CBSE Class 9 Biology(TISSUES)-Videos & documents by Letstute  >  Simple Permanent Tissues - Quiz time - Tissues - Class 9 - Science

Simple Permanent Tissues - Quiz time - Tissues - Class 9 - Science Video Lecture - CBSE Class 9 Biology(TISSUES)-Videos & documents by Letstute

11 videos|7 docs

FAQs on Simple Permanent Tissues - Quiz time - Tissues - Class 9 - Science Video Lecture - CBSE Class 9 Biology(TISSUES)-Videos & documents by Letstute

1. What are simple permanent tissues?
Ans. Simple permanent tissues are a type of plant tissue that is composed of cells that have stopped dividing and have attained their final shape and size. These tissues are responsible for providing support, strength, and storage in plants.
2. How are simple permanent tissues different from complex permanent tissues?
Ans. Simple permanent tissues consist of only one type of cells, while complex permanent tissues consist of two or more types of cells. Simple permanent tissues are responsible for basic functions like support and storage, while complex permanent tissues perform specialized functions like transportation and secretion.
3. What are the different types of simple permanent tissues?
Ans. The different types of simple permanent tissues are parenchyma, collenchyma, and sclerenchyma. Parenchyma tissues are involved in storage and photosynthesis, collenchyma tissues provide mechanical support to young plant parts, and sclerenchyma tissues provide mechanical support to mature plant parts.
4. How do parenchyma tissues differ from collenchyma and sclerenchyma tissues?
Ans. Parenchyma tissues have thin cell walls, large intercellular spaces, and are involved in various functions like photosynthesis, storage, and secretion. Collenchyma tissues have thickened cell walls, provide mechanical support to young plant parts, and are usually found beneath the epidermis. Sclerenchyma tissues have heavily thickened cell walls and provide mechanical support to mature plant parts.
5. What is the function of sclerenchyma tissues in plants?
Ans. Sclerenchyma tissues provide mechanical support to mature plant parts. These tissues have heavily thickened cell walls containing a substance called lignin, which makes them rigid and strong. Sclerenchyma tissues are commonly found in plant stems, leaves, and roots, providing strength and support to these structures.
11 videos|7 docs
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