The Fundamental Unit of Life

1. Who discovered cells, and how?

2. What is Cell Theory?

3. Why is the Cell called the structural and functional unit of life?

4. What do you mean by Unicellular Organisms?

5. What is the meaning of Multicellular organisms?

6. What is the difference between Unicellular and Multicellular organisms?

1. Write a short note on the shape and size of cells?

2. What do you know about the Division of labour in multicellular organisms?

3. What is a Cell Made Up of? What is the Structural Organisation of a Cell?

4. What do you mean by Cell organelles?

5. Why is the plasma membrane called a selectively permeable membrane?

6. What would happen if the plasma membrane ruptures or breaks down?

7. The plasma membrane is made up of which substances?

1. How do substances like CO2 and water move in and out of the cell? Discuss.

2. What is the meaning of Hypertonic, Hypotonic and Isotonic Solution?

3. What a living plant cell is placed in Hypertonic, Hypotonic and Isotonic solution?

4. What do you mean by Plasmolysis?

5. What is the meaning of Diffusion?

6. What is osmosis? What is the significance of osmosis?

1. Whether cell wall is found in animal cells? Discuss.

2. What do you know about Cytoplasm?

3. Nucleus is an important organelle found in the cell? Discuss.

4. Name of the two organelles that contain their own genetic material

5. If the organization of a cell is destroyed due to some physical or chemical influence, what will happen?

6. Why lysosomes are known as “suicide bags” of the cell? Whether lysosomes are present in plant cells?

7. Which organelle in the cell synthesizes proteins?

8. What would happen if there is no Golgi apparatus?

1. Which organelle in the cell is known as powerhouse of the cell?

2. Endoplasmic reticulum is of two types? What are those?

3. Ribosomes are attached to which type of Endoplasmic reticulum?

4. What is the meaning of plastids? Which type of plastids help in photosynthesis?

5. What do you know about Vacuole?

6. What is the meaning of Cell Division? What are the two main types of Cell Division?

7. What do you know about Mitosis and Meiosis?

1. Comparison between plant cells and animal cells

2. Difference between prokaryotic cell and eukaryotic cell

3. What would happen if the plasma membrane ruptures or breaks down?

4. What would happen to the life of a cell if there was no Golgi apparatus?

5. Which organelle is known as the powerhouse of the cell? Why?

6. Where do the lipids and proteins constituting the cell membrane get synthesised?

7. How does an amoeba obtain its food?

8. What is osmosis?

10. Which type of cell division is required for growth and repair of body and which type is involved in formation of gametes?

1. What is cell theory?

2. What is unicellular organism?

3. What is multicellular organism?

4. What is the shape and size of cells?

5. What is the meaning of division of labour in multicellular organisms?

6. How does the movement of substances take place into the cell? How do substances move out of the cell? Or Why diffusion is important?

7. Write a note on plastids? What are different types of plastids?

8. What is the meaning of ATP?

9. What is cell made up of? What is the structural organisation of a Cell? Or

What are the three important features in almost every cell?