The size of the cells of an organism has no relation with the size of its body. Do you agree? Give reason for your answer. Open Answer »
Why do plant cells have an additional layer surrounding the cell membrane? What is this layer known as? Open Answer »
Cells consist of many organelles, yet we do not call any of these organelles as structural and functional unit of living organisms. Explain. Open Answer »
Observe the following diagram.(i) Does it represent a plant cell or an animal cell? (ii) Does it represent a prokaryotic cell or a eukaryotic cell? Open Answer »