Consider the two statements:
Statement I:
Ribosomes are non-membrane bound organelles found in all cells.
Statement II:
Animal cells contain a non-membrane bound organelle called centrosome which helps in cell division.
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: Centrosomes | Ribosome and Inclusion Bodies |
84%
From NCERT
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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 |
79%
From NCERT
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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 |
57%
From NCERT
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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 |
82%
From NCERT
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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 |
90%
From NCERT
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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 |
56%
From NCERT
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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) |
64%
From NCERT
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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 membrane consists of cellulose, hemicellulose, pectins and proteins |
1. 2
2. 3
3. 4
4. 5
Subtopic: Cell Wall | Cell Membrane |
54%
From NCERT
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The famous aphorism ‘omnis cellula-e-cellula’ was added to the cell theory by:
1. Theodore Schwann
2. Matthias Schleiden
3. Robert Hooke
4. Rudolf Virchow
Subtopic: Cell Theory |
94%
From NCERT
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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 |
80%
From NCERT
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