72 questions · Class 9 · CBSE
Explain how the structure of a cell helps in performing its functions.
Why are organelles important for cell survival?
Explain the relationship between cells and tissues.
Why is the plasma membrane called a living membrane?
What are the main components of a cell?
Mention two similarities between plant and animal cells.
Why does a cell swell in a hypotonic solution?
What happens to a plant cell when placed in a concentrated salt solution?
Explain how the Golgi apparatus helps the cell.
Why are ribosomes called protein factories?