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Consider the two statements:
Assertion (A):
In a plant cell, the concentration of a number of ions is significantly higher in the vacuole than in the cytoplasm.
Reason (R):
The tonoplast facilitates the transport of a number of ions and other materials against concentration gradients into the vacuole.
1.
Both (A) and (R) are True and (R) is the correct explanation of (A).
2.
Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.
(A) is True but (R) is False.
4.
Both (A) and (R) are False.
Subtopic: Vacuole |
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Consider the two statements:
| Statement I: | The axoneme of cilia and flagella usually has nine triplets of radially arranged peripheral microtubules, and a centrally located proteinaceous hub. |
| Statement II: | Each of the peripheral fibrils in a centriole is a doublet and the centriole also has a pair of centrally located microtubules. |
| 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: Cilia & Flagella |
59%
Level 3: 35%-60%
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Consider the given two statements:
| Statement I: | All prokaryotes have a cell wall surrounding the cell membrane except in mycoplasma. |
| Statement II: | No organelles, like the ones in eukaryotes, are found in prokaryotic cells except for ribosomes. |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is incorrect; Statement II is correct |
| 3. | Statement I is correct; Statement II is incorrect |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Prokaryotic Cell Organisation | Details of Prokaryotic Cell Structure |
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Level 1: 80%+
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The membranes of which of the following cell organelle are not included in the endomembrane system of a eukaryotic cell?
1. Vacuole
2. Lysosome
3. Plastid
4. Endoplasmic reticulum
1. Vacuole
2. Lysosome
3. Plastid
4. Endoplasmic reticulum
Subtopic: Endomembrane System |
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Level 1: 80%+
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Consider the two statements:
| Assertion (A): | The Golgi apparatus, also known as the Golgi body, is like a post office. |
| Reason (R): | The Golgi apparatus is an important site for the formation of glycoproteins and glycolipids. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Golgi Apparatus |
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Level 3: 35%-60%
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Lysosomes:
| Statement I: | are membrane bound vesicular structures formed in the rough endoplasmic reticulum. |
| Statement II: | are very rich in almost all types of hydrolytic enzymes optimally active at the basic pH. |
| 1. | Statement I is incorrect; Statement II is incorrect |
| 2. | Statement I is incorrect; Statement II is correct |
| 3. | Statement I is correct; Statement II is incorrect |
| 4. | Statement I is correct; Statement II is correct |
Subtopic: Endomembrane System (Lysosomes) |
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Level 2: 60%+
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How many of the given statements are correct?
1. 2
2. 3
3. 4
4. 5
| I: | The major lipids in cell membrane are phospholipids that are arranged in a bilayer. |
| II: | The ability of lipids and carbohydrates to move laterally within the membrane is measured by its fluidity. |
| III: | In addition to phospholipids, the animal cell membrane also contains cholesterol. |
| IV: | Algae have a cell wall, made of cellulose, galactans, mannans, and minerals like calcium carbonate. |
| V: | In plants other than algae, cell wall consists of cellulose, hemicellulose, pectins and proteins |
1. 2
2. 3
3. 4
4. 5
Subtopic: Cell Wall | Cell Membrane |
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Level 3: 35%-60%
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The famous aphorism ‘omnis cellula-e-cellula’ was added to the cell theory by:
1. Theodor Schwann
2. Matthias Schleiden
3. Robert Hooke
4. Rudolf Virchow
Subtopic: Cell Theory |
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Level 1: 80%+
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All bacterial cells are:
| 1. | motile. |
| 2. | enclosed by peptidoglycan cell wall. |
| 3. | prokaryotic. |
| 4. | capable of fixing atmospheric nitrogen. |
Subtopic: Prokaryotic Cell Organisation | Details of Prokaryotic Cell Structure |
81%
Level 1: 80%+
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Consider the two statements:
| Statement I: | Plant cells possess cell walls, plastids and a large central vacuole which are absent in animal cells. |
| Statement II: | Animal cells have centrioles which are absent in almost all plant cells. |
| 1. | Statement I is correct; Statement II is incorrect |
| 2. | Statement I is correct; Statement II is correct |
| 3. | Statement II is incorrect; Statement I is correct |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Eukaryotic Cell Architecture: Types |
91%
Level 1: 80%+
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