• 281,145 lifetime views


Cell Structure And Functions | Living Science | Class 8

Question 1: In a unicellular organism, one cell performs all life activities. Do you agree? ANSWER: A unicellular organism is composed of a single cell. This single cell performs all the biological processes required for the maintenance of life activities of a cell. Thus, in case of unicellular organisms, all Read more…


Mitochondia | Class IX

Mitochondria: Mitochondrion is a rod-like cytoplasmic organelle which is the main site of cellular respiration. They are sources of energy and are often called as the power house of the cell. They have average length of 3-4 µ and diameter of 0.5-1 µ. Under light microscope, they appear as rod Read more…