Cell Theory and Cell as the Basic Unit of Life ( Plant Cell and Animal Cell; Cell Envelope, Cell Membrane, Cell Wall; Cell Organelles Structure and Function; Mitochondria, Ribosomes, Plastids, Micro Bodies; Cytoskeleton, Cilia, Flagella, Centrioles... NEET Questions

Biology - Cell Structure and Function

Cell Theory and Cell as the Basic Unit of Life ( Plant Cell and Animal Cell; Cell Envelope, Cell Membrane, Cell Wall; Cell Organelles Structure and Function; Mitochondria, Ribosomes, Plastids, Micro Bodies; Cytoskeleton, Cilia, Flagella, Centrioles... MCQ Questions


7.
Schwann concluded that the unique character of plant cells is:
A.
Presence of cell wall
B.
Presence of cytoplasm
C.
Presence of plasma membrane
D.
Presence of nucleus
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ANSWER :
A. Presence of cell wall
8.
Cell is the fundamental:
A.
Structural and functional unit of all living organisms
B.
Only functional unit
C.
Only structural unit
D.
Genetic unit only
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ANSWER :
A. Structural and functional unit of all living organisms
9.
The smallest cells known are:
A.
Viruses
B.
PPLO/Mycoplasma
C.
Bacteria
D.
Red blood cells
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ANSWER :
B. PPLO/Mycoplasma
10.
The largest isolated single cell is:
A.
Ostrich egg
B.
Human RBC
C.
Amoeba
D.
Human nerve cell
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ANSWER :
A. Ostrich egg
11.
The size of a typical bacterium ranges from:
A.
10-20 µm
B.
0.1-0.3 µm
C.
3-5 µm
D.
100-200 µm
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ANSWER :
C. 3-5 µm
12.
Human red blood cells have a diameter of approximately:
A.
70 µm
B.
0.07 µm
C.
0.7 µm
D.
7.0 µm
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ANSWER :
D. 7.0 µm