(a) What are unicellular organisms? Name two unicellular organisms. (b) What are multicellular organisms? Name two multicellular organisms.
Does the cellular level in multicellular organisms also present in unicellular organisms?
Two very small organisms X and Y both by the method of budding. Organism X is industrially very important because it is used in making alcohol from sugar. It is also used in making bread. Organism Y lives in freshwater. If organism Y gets cut into a number of parts accidentally, each cut part can grow to form a complete organism. (a) What are organisms X and Y ? (b) What is the name of the process by which X converts sugar into alcohol? (c) To which class of organisms does X belong ? (d) Name an important body feature of organism Y. (e) Which organism is multicellular and which one is unicellular?