The famous aphorism ‘omniscellula-e-cellula’ was added to the cell theory in 1855 by

1. Matthias Shcleiden 2. Theodore Schwann
3. J. B. S. Haldane 4. Rudolph Virchow

Subtopic:  Introduction to Cell |
 95%
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A basal body is a part of bacterial:

1. Inclusion bodies 2. Chromosomal DNA
3. Flagellum 4. Plasmid
Subtopic:  Cilia & Flagella |
 86%
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Identify the incorrect statement regarding bacterial ribosomes:

1. They are associated with plasma membrane
2. They are 70 S with two subunits being 30 S and 40 S
3. Several ribosomes may attach to a single mRNA
4. They translate the mRNA into proteins

Subtopic:  Ribosome and Inclusion Bodies |
 80%
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Reserve materials in prokaryotic cells are stored in the cytoplasm in the form of:

1. Non-membrane bound lysosomes 2. Gas vacuoles
3. Chromatophores 4. Inclusion bodies
Subtopic:  Ribosome and Inclusion Bodies |
 88%
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Which of the following is absent in almost all plant cells?

1. Plastid 2. Cell wall
3. A large central vacuole 4. Centriole
Subtopic:  Centrosomes |
 90%
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The lipid content of the cell membrane mainly consists of:

1. Phosphoglycerides 2. Cholesterol
3. Unsaturated fatty acids 4. Lipopolysaccharides
Subtopic:  Cell Wall |
 75%
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The measure of fluidity of a cell membrane is:

1. the ability of proteins to flip-flop between the two layers of phospholipids
2. the ability of proteins to move laterally within the membrane
3. the ability of lipids to flip-flop between the two layers of phospholipids
4. the ability of lipids to move laterally within the membrane
Subtopic:  Evidence for Fluidic Nature of Membrane |
 56%
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The endo-membrane system of a eukaryotic cell includes:

1. Lysosomes 2. Peroxisomes
3. Mitochondria 4. Chloroplasts
Subtopic:  Endomembrane System (Lysosomes) |
 81%
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Acid hydrolases are found in a single membrane bound organelle called:

1. Glyoxysome 2. Lysosome
3. Peroxisome 4. Ribosome
Subtopic:  Endomembrane System (Lysosomes) |
 93%
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A single membrane, tonoplast, binds the:

1. Inclusion bodies 2. Polysomes
3. Vacuoles 4. Lysosomes
Subtopic:  Vacuole |
 91%
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