During Grams' staining which is incorrect?
(1) All bacteria take crystal violet stain
(2) Gram +ve bacteria take crystal violet stain
(3) Only Gram –ve bacteria take crystal violet stain
(4) Gram –ve bacteria lose this stain after alcohol
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Hammerling's experiments on Acetabularia involved exchanging
(1) Cytoplasm
(2) Nucleus
(3) Rhizoid and stalk
(4) Gametes
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A non-membrane bound organelle found exclusively in animal cells is:
1. Sphaerosome
2. Glyoxisome
3. Peroxisome
4. Centriole
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Which of the following are the largest constituentof a typical cell membrane and are also responsible for performing most of the functions of the membrane?
1.Proteins
2.Lipids
3.Glycolipids
4.Glycoproteins
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Cell is the fundamental structural and functional unit of all living organisms because:
(1) Anything less than a complete structure of a cell does not ensure independant living.
(2) The metabolic reactions can only occur inside a living cell.
(3) Nucleic acids present in the cells ensure living state.
(4) The membrane bound organelles cause differentiation for proper functioning.
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Who concluded, based on his studies on plant tissues, that the presence of cell wall is a unique character of plant cells ?
(1) Mathias Schleiden
(2) Theodore Schwann
(3) Rudolph Virchow
(4) Robert Hooke
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Mesosomes in prokaryotes do not help in:
1. Cell wall formation
2. DNA replication
3. Respiration
4. Photosynthesis
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The endomembrane system of a eukaryotic cell does not include:
1. Endoplasmic reticulum
2. Lysosome
3. Vacuole
4. Peroxisome
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The cis and trans faces of the Golgi Apparatus are:
1. Similar but not interconnected
2. Similar and interconnected
3. Entirely different but interconnected
4. Entirely diffrent and not interconnected
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Plastids used in storing proteins are called as:
(1) Amyloplasts
(2) Aleuroplasts
(3) Elaioplasts
(4) Chromoplasts
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