Given is an image of onion peel under microscope. Identify A and B in the figure and match them with their function.
A: Nucleus contains chromosomes which carry genes and help in inheritance or transfer of characters from the parents to the offspring.
B: Cytoplasm - It is the jelly-like substance present between the cell membrane and the nucleus. Various other components, or organelles of cells are present in the cytoplasm. These are mitochondria, golgi bodies, ribosome, etc. It helps in maintaining cell structure that is helps the cell membrane to form spherical shape and prevent collapsing of cell.