The main arena of various types of activities of a cell is:
Plasma membrane
Mitochondrian
Cytoplasm
Nucleus
Cytoplasm -
Cytoplasm is the protoplasm of the cell present- between the plasma membrane and the nuclear envelope.
-
The cytoplasm is the main arena of cellular activities in both the plant and animal cells. Various chemical reactions occur in it to keep the cell in the ‘living state’. Though biochemical reactions occur all over a cell, important reactions related to maintaining osmolarity, resting potential (in neurons, muscles and othe electrically excitable cell) occur in cytoplasm - which keeps it 'alive.
Option 1)
Plasma membrane
Incorrect
Option 2)
Mitochondrian
Incorrect
Option 3)
Cytoplasm
Correct
Option 4)
Nucleus
Incorrect