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Q. No.Mesosomes, extensions of plasma membrane into the cell, help bacterium in all the following processes except:
1. Photosynthesis in cyanobacteria
2. Respiration
3. DNA replication
4. Cell wall formation
1. Photosynthesis in cyanobacteria
2. Respiration
3. DNA replication
4. Cell wall formation
Subtopic: Prokaryotic Cell Organisation |
77%
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Eukaryotic cells differ from prokaryotic cells in all the following features except:
1. Extensive compartmentalisation of cytoplasm.
2. The presence of membrane bound organelles.
3. An organised nucleus with a nuclear envelope.
4. Genetic material organised into chromosomes.
1. Extensive compartmentalisation of cytoplasm.
2. The presence of membrane bound organelles.
3. An organised nucleus with a nuclear envelope.
4. Genetic material organised into chromosomes.
Subtopic: Introduction to Cell | Cell Organisation |
62%
From NCERT
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A non-membrane bound organelle found in all cells is:
| 1. | Centriole | 2. | Lysosome |
| 3. | Vacuole | 4. | Ribosome |
Subtopic: Ribosome and Inclusion Bodies |
90%
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Identify the correct statement regarding the given figure?
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| I: | ‘A’ links a pair of sister chromatids together during cell division. |
| II: | ‘B’ is a disc-shaped protein structure associated with duplicated chromatids in eukaryotic cells where the spindle fibers attach during cell division to pull sister chromatids apart. |
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Nucleus: Chromosomes |
88%
From NCERT
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The middle lamella is a layer of the cell wall complex in plant cells and is composed mainly of:
| 1. | Sodium alginate | 2. | Magnesium silicate |
| 3. | calcium pectate | 4. | Aluminium hydroxide |
Subtopic: Cell Wall |
93%
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Name the German botanist who, for the first time, stated that all plant tissues are composed of individual cells:
1. Theodor Schwann
2. Rudolf Virchow
3. Matthias Schleiden
4. Alfred Russel Wallace
2. Rudolf Virchow
3. Matthias Schleiden
4. Alfred Russel Wallace
Subtopic: Cell Theory |
85%
From NCERT
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Bacterial cells, if motile, will move with the help of:
| 1. | Cilia | 2. | Flagella |
| 3. | Myocytes | 4. | Pseudopodia |
Subtopic: Details of Prokaryotic Cell Structure |
89%
From NCERT
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Which one of the following organelle in the figure correctly matches with its function?
| 1. | Golgi apparatus, protein synthesis |
| 2. | Golgi apparatus, formation of glycolipids |
| 3. | Rough endoplasmic reticulum, protein synthesis |
| 4. | Rough endoplasmic reticulum, formation of glycoproteins |
Subtopic: Endomembrane System (Endoplasmic Reticulum) |
84%
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Tonoplast is:
1. the internal membrane in chloroplast
2. membrane of vacuole
3. membrane of lysosomes
4. membrane of glyoxysomes
1. the internal membrane in chloroplast
2. membrane of vacuole
3. membrane of lysosomes
4. membrane of glyoxysomes
Subtopic: Vacuole |
88%
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Consider the given two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | Larger and more numerous nucleoli are present in cells actively carrying out lipid synthesis. |
| Statement II: | RER is frequently observed in the cells actively involved in protein synthesis and secretion. |
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Nucleus | Endomembrane System (Endoplasmic Reticulum) |
90%
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