BRIDGE COURSE DIGITAL LESSONS
TOPIC:Cell,Tissues-Structure and Functions
L3(10th class) Biology Worksheet-1
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The fundamental organizational unit of life is the cell. ? Cells are enclosed by a plasma membrane composed of lipids and proteins. ? Plasma membrane is a selectively permeable membrane. ? In plant cells, a cell wall composed of cellulose is located outside the cell membrane.
Meristematic tissue is the dividing tissue, present in the growing regions.
? Meristematic tissue is mainly of three types. They are Apical meristem, Lateral
meristem and Intercalary meristem.
? Dermal tissue covers the plant body and gives protection.
? Ground tissue is abundant in all the parts of the plant and gives support and stores
food. It is of three types - Parenchyma, Collenchyma and Sclerenchyma.
? Vascular tissue helps in transportation. It is mainly of two types - Xylem and Phloem.
Other contents
Tissue is a group of cells similar in structure, and performing similar functions.
Differentiate between structure and function in plant and animal cell organelles, including cell membrane, cell wall, nucleus, cytoplasm, mitochondrion, chloroplast, and vacuole
1. Identifies different cell organelles and their functions.
2. Differentiates the structure of plant cell and animal cell.
3. Makes the model of an animal cell with locally available resource material.
4. Explains the functions of different cell organelles.
The fundamental organizational unit of life is the cell.
? Cells are enclosed by a plasma membrane composed of lipids and proteins.
? Plasma membrane is a selectively permeable membrane.