Cell - The Unit of Life
Cell - The Unit of Life: Overview
This topic covers concepts such as Cell, Shape and Size of Cell, and Discovery of the Cell.
Important Questions on Cell - The Unit of Life
The nucleus of the cell was discovered by Robert Hooke.
Which of the following possesses the smallest cell?
Acetabularia (Umbrella plant) is long, single-celled marine green alga and
Who discovered the cell? (Robert Hooke/ Robert Koch)
Different cells have different sizes. Arrange the following cells in ascending order of their size and select the correct option.
(i) Mycoplasma
(ii) Ostrich eggs
(iii) Human RBCs
(iv) Bacteria
Mycoplasmas, the smallest cells, are only (i) μm in length while bacteria could be (ii) μm. Among multicellular organisms, human red blood cells are about (iii) μm in diameter. Identify (i), (ii), and (iii).
PPLO are the smallest cells in the living world. The extended form of PPLO is:
The study related to the structure and function of a cell is called
