🔬 Part 1: Cell Structure Knowledge

1. Which part of the cell controls all the cell's activities?

Cell membrane

Nucleus

Cytoplasm

Mitochondria

2. Which structures are found ONLY in plant cells? (Select all that apply)

Cell wall

Chloroplasts

Large vacuole

Nucleus

Cell membrane

3. What is the main function of mitochondria?

To make food for the plant

To control what enters and leaves the cell

To provide energy for the cell

To store water and nutrients

4. Fill in the blanks using the words: membrane, cytoplasm, organelles

The cell _____________ controls what substances can enter and leave the cell. The jelly-like substance that fills the cell is called _____________. Small structures inside the cell that have specific jobs are called _____________.

🌱 Part 2: Comparing Plant and Animal Cells

5. Complete the table by placing a tick (✓) in the correct columns:

Cell Structure	Plant Cell	Animal Cell
Nucleus
Cell wall
Chloroplasts
Mitochondria

6. Explain why plant cells need chloroplasts but animal cells do not:

7. Why do plant cells have a rigid cell wall while animal cells only have a flexible cell membrane?

🔬 Part 3: Cell Observation and Analysis

8. Draw and label a plant cell in the space below. Include at least 5 different organelles:

9. You are looking at a cell under a microscope. It has a nucleus, cell membrane, and mitochondria, but no cell wall or chloroplasts. What type of cell is this and how do you know?

10. Explain why cells are called the "building blocks of life":