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Q. No.Who proposed the fluid mosaic model of plasma membrane?
1. Camillo Golgi
2. Schleiden and Schwann
3. Singer and Nicolson
4. Robert Brown
Subtopic: Â Evidence for Fluidic Nature of Membrane |
 95%
Level 1: 80%+
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What is a tonoplast?
| 1. | outer membrane of mitochondria |
| 2. | inner membrane of mitochondria |
| 3. | membrane boundary of the vacuole of plant cell |
| 4. | cell membrane of plant cell |
Subtopic: Â Vacuole |
 94%
Level 1: 80%+
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Select which one is not true for ribosome
| 1. | Made up of two sub-units |
| 2. | Form polysome |
| 3. | May attach to mRNA |
| 4. | Have no role in protein synthesis |
Subtopic: Â Ribosome and Inclusion Bodies |
 93%
Level 1: 80%+
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Different cells have different sizes. Given are the following cells:
| I. | Mycoplasma |
| II. | Ostrich eggs |
| III. | Human RBC |
| IV. | Bacteria |
The correct ascending order of the size of the cells given above will be:
| 1. | I, IV, III, II | 2. | I, I, III, IV |
| 3. | II, I, III, IV | 4. | III, II, I, IV |
Subtopic: Â Cell Organisation |
 90%
Level 1: 80%+
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A common characteristic feature of plant sieve tube cells and most mammalian erythrocytes is
| 1. | absence of mitochondria |
| 2. | presence of cell wall |
| 3. | presence of haemoglobin |
| 4. | absence of nucleus |
Subtopic: Â Eukaryotic Cell Orgenelle |
 85%
Level 1: 80%+
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Which of the following is not true of a eukaryotic cell?
| 1. | Cell wall is made up of peptidoglycans |
| 2. | It has 80S type of ribosome present in the cytoplasm |
| 3. | Mitochondria contain circular DNA |
| 4. | Membrane bound organelles are present |
Subtopic: Â Cell Wall |
 78%
Level 2: 60%+
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Subtopic: Â Prokaryotic Cell Organisation |Â Eukaryotic Cell Architecture: Types |
 71%
Level 2: 60%+
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Which of the following statement is true for a secretory cell?
| 1. | Golgi apparatus is absent |
| 2. | Rough Endoplasmic Reticulum (RER) is easily observed in the cell. |
| 3. | Only Smooth Endoplasmic Reticulum (SER) is present. |
| 4. | Secretory granules are formed in nucleus. |
Subtopic: Â Endomembrane System |
 54%
Level 3: 35%-60%
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Which of the following features is common to prokaryotes and many eukaryotes?
| 1. | Chromatin material present |
| 2. | Cell wall present |
| 3. | Nuclear membrane present |
| 4. | Membrane bound sub-cellular organelles present |
Subtopic: Â Details of Prokaryotic Cell Structure |Â Eukaryotic Cell Orgenelle |
Level 3: 35%-60%
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Which of the following stain is not used for staining chromosomes?
1. Basic fuchsin
2. Safranin
3. Methylene blue
4. Carmine
Subtopic: Â Nucleus: Chromosomes |
Level 3: 35%-60%
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