Which part of the endomembranous system of a eukaryotic cell is rich in acid hydrolases?
1. Peroxisome
2. Lysosome
3. Vacuole
4. Golgi apparatus
Subtopic: Â Lysosomes |
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Level 1: 80%+
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In a plant cell:
| 1. | there are multiple vacuoles, each small in size |
| 2. | centrioles play prominent role in organization of microtubules |
| 3. | cytokinesis occurs through cleavage furrow |
| 4. | Secondary cell wall is formed on the inner [towards membrane] side of the cell |
Subtopic: Â Cell Wall |
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Level 2: 60%+
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Cells in the human body that secrete products like lipids and steroids are likely to have an abundance of:
| 1. | Smooth endoplasmic reticulum |
| 2. | Rough endoplasmic reticulum |
| 3. | Lysosomes |
| 4. | Mitochondria |
Subtopic: Â Intro to Endomembrane System: Endoplasmic Reticulum |Â Endomembrane System (Endoplasmic Reticulum) |
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What type of chromosomes will not have a short and a long arm?
1. Acrocentric
2. Metacentric
3. Sub-metacentric
4. Both 1 and 2
1. Acrocentric
2. Metacentric
3. Sub-metacentric
4. Both 1 and 2
Subtopic: Â Nucleus: Chromosomes |
 76%
Level 2: 60%+
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Fimbriae in bacterial cells:
| 1. | play an important role in motility |
| 2. | attach the cell to the rocks in a stream and also to the host tissues |
| 3. | provide surface area for the location of enzymes |
| 4. | form a tube like structure for passage of DNA during bacterial conjugation |
Subtopic: Â Prokaryotic Cell Organisation |Â Details of Prokaryotic Cell Structure |
 87%
Level 1: 80%+
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Like mitochondria, the chloroplasts:
| 1. | are found only in plant cells |
| 2. | do not have 70 S ribosomes |
| 3. | are also double membrane bound |
| 4. | are unable to carry out phosphorylation of ADP |
Subtopic: Â Plastids |
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Level 1: 80%+
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Regarding cell membrane:
| I: | The lipid content mainly is phosphoglycerides |
| II: | Proteins can move laterally within the overall bilayer |
| III: | The membrane is selectively permeable |
| 1. | Only I and II are correct |
| 2. | Only I and III are correct |
| 3. | Only II and III are correct |
| 4. | I, II and III are correct |
Subtopic: Â Cell Membrane |
 72%
Level 2: 60%+
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Often described as infoldings of bacterial cell membrane, which of the following structures help in cell wall formation and DNA replication?
1. Inclusion bodies
2. Chromatophores
3. Fimbriae
4. Mesosomes
1. Inclusion bodies
2. Chromatophores
3. Fimbriae
4. Mesosomes
Subtopic: Â Prokaryotic Cell Organisation |Â Details of Prokaryotic Cell Structure |
 90%
Level 1: 80%+
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Which component of the endomembrane system of a eukaryotic cell is frequently observed in cells involved in protein synthesis and secretion?
| 1. | Rough endoplasmic reticulum |
| 2. | Golgi complex |
| 3. | Smooth endoplasmic reticulum |
| 4. | Chloroplasts |
Subtopic: Â Endomembrane System (Endoplasmic Reticulum) |
 90%
Level 1: 80%+
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A characteristic 9 + 2 arrangement of axonemal microtubules is seen in:
1. Cilia and flagella
2. Centriole
3. Filaments in axons of neurons
4. Actin myofilaments
1. Cilia and flagella
2. Centriole
3. Filaments in axons of neurons
4. Actin myofilaments
Subtopic: Â Cytoskeleton |
 88%
Level 1: 80%+
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