In this worksheet, you will explore the various parts of a plant cell and understand their functions. Each part plays a crucial role in helping the plant survive and grow. Study the diagram carefully and label each part of the plant cell. This activity is designed for Grade 6 to Grade 8 students. Hope you will like it. You can download this worksheet (PDF) using the link at the worksheet’s end.
Join our Telegram channel for free books, journals, quizzes, and printable worksheets.
Label Each Part Of The Plant Cell
Read More: Label Parts of Animal Cell Worksheet
A plant cell is the basic unit of life in plants and has unique structures that help it carry out functions essential for plant growth, nutrition, and survival. Plant cells differ from animal cells because they have specific parts that support photosynthesis, structure, and storage.
Parts of a Plant Cell and Their Functions:
1. Cell Wall: A rigid outer layer that surrounds the cell membrane, providing support, structure, and protection. It helps the cell maintain its shape and withstand pressure from water inside the cell.
2. Cell Membrane: A thin, flexible layer inside the cell wall that controls what enters and exits the cell, allowing nutrients in and waste products out.
3. Nucleus: The control center of the cell, containing DNA. It regulates cell functions and contains the genetic instructions for growth, reproduction, and response to the environment.
4. Chloroplasts: Organelles containing chlorophyll, which gives plants their green color and allows them to perform photosynthesis. They convert sunlight into energy (glucose) for the plant.
5. Vacuole: A large, central sac filled with water, nutrients, and waste. It helps maintain cell pressure, supports the structure, and stores substances the cell needs or will dispose of.
6. Mitochondria: Known as the powerhouse of the cell, mitochondria produce energy by breaking down sugars. They supply energy for various cell activities and growth.
7. Golgi Apparatus: An organelle that modifies, sorts, and packages proteins and other molecules for storage or transport out of the cell. It acts as the cell’s shipping and receiving center.
8. Plasmodesmata: Small channels that pass through cell walls, allowing communication and transport of substances between plant cells.
9. Amyloplasts: Organelles that store starch, a source of energy. They are especially common in root cells, where they store nutrients for the plant.
10. Endoplasmic Reticulum (ER): The endoplasmic reticulum (ER) in a plant cell is a network of membranes involved in producing, processing, and transporting molecules. It has two types:
- Rough ER: Covered in ribosomes, it helps make proteins that are used inside and outside the cell.
- Smooth ER: Lacks ribosomes and is involved in producing lipids (fats) and detoxifying harmful substances.
Together, the ER plays a critical role in building molecules the cell needs, storing them, and helping transport them to where they are required.
11. Nucleolus: The nucleolus is a small, dense structure inside the nucleus of a plant cell. Its main role is to produce ribosomes, which are essential for protein synthesis. The nucleolus assembles ribosomal RNA (rRNA) and proteins to create ribosome units, supporting the cell’s protein production and overall function.
In conclusion, each part of a plant cell has an important job that helps the plant grow, produce energy, and stay healthy. Understanding these parts, like the cell wall, chloroplasts, and nucleus, helps us appreciate how plants function and survive in their environment.
