Question:
Of the following parts of a cell name the part that is common to plant cell, animal cell and a bacterial cell.
(a) Chloroplast
(b) Cell wall
(c) Cell membrane
(d) Nucleus
Solution:
(c) Cell membrane is the common part of every cell. It encloses the protoplasm, protects the cell, gives the cell its shape and control the entry and
exit of substances.