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 »
Classify the following terms into cells, tissues and organs and write in the tabular column given below. RBC, WBC, nerve cell, blood vessels, brain, heart, hand, blood, muscle, nerve.CellTissueOrgan——–——–——–——–——–——–——–——–——– 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 »
(i) Does it represent a plant cell or an animal cell? (ii) Does it represent a prokaryotic cell or a eukaryotic cell?