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Science CBSE Homework Assignments
Class 9
The fundamental unit of life
Components of cell
2.
Cell components - Nucleus, Plasma membrane, Cytoplasm, Cell wall and Nucleus
Question:
4.5
m.
Choose the correct property corresponding to the given cell components:
1
.
Plasmodesmata
Plant cells interact with each other through cytoplasmic channels called plasmodesmata.
Plant cells interact with each other through cytoplasmic channels called plasmalemma.
2
.
Cell wall
Cell wall permits the cells of plants and bacteria to withstand hypotonic conditions without bursting.
It is made up of protein and lipid bilayer.
3
.
Bacteria
In few organisms like bacteria, the nuclear region of the cell is not fully developed due to the absence of double-layered covering membrane. Such an undefined nuclear region is called Nucleoid
In few organisms like bacteria, the nuclear region of the cell is not fully developed due to the absence of double-layered covering membrane. Such an undefined nuclear region is called Nucleolus
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