Both onion and cheek cells have cell membranes, cytoplasm and a nucleus. Onion cells have a cell wall and are rectangular, while cheek cells lack a cell wall and appear rounded or irregular.
Class 8 NCERT Science Curiosity Chapter 2 The Invisible Living World: Beyond Our Naked Eye solutions
class 8 science chapter 2 the invisible living world beyond our naked eye question answer
Onion and cheek cells share features like a nucleus, cytoplasm and cell membrane. However, onion cells (plant cells) also have a rigid cell wall and sometimes chloroplasts, making them rectangular. Cheek cells (animal cells) do not have a cell wall and are irregular in shape. These differences help in identifying whether the cell is from a plant or an animal.
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