Biology
Grade-9
Easy
Question
In which of the following cells, a cell wall is present?
- Plant and animal cell
- Plant cell and mycoplasma
- Animal cell only
- Plant and bacterial cell
Hint:
Monera, Protista, fungi, and Plantae have cell walls. It helps in giving the proper shape to the cell and protects the cell from mechanical damage.
The correct answer is: Plant and bacterial cell
- In monera, the cell wall is made of polysaccharides. The cell wall of the fungi is made up of chitin. Protists may or may not have cell walls.
- Water molds (fungi) have cell walls composed of cellulose and glycans. The cell wall is absent in all the members of the kingdom Animalia.
- If animals had cell walls as plants do, then the cells would become stiff and they would be incapable of movement.
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