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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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%
From NCERT
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Identify the incorrect statement:
| 1. | Despite great morphological difference between eucaryotic cells and prokaryotes, they are remarkably similar metabolically. |
| 2. | The 80S ribosomes of eukaryotes are made up of 50S and 30S subunits. |
| 3. | The rough part of rough endoplasmic reticulum is caused by bound ribosomes in the process of synthesizing ER proteins. |
| 4. | The nucleolus is where the structural RNA for the cells ribosomes is transcribed from DNA. |
Subtopic: Ribosome and Inclusion Bodies |
85%
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When the centromere is located close to the end of a chromosome, the chromosome is known as:
1. Sub-metacentric
2. Acrocentric
3. Metacentric
4. Telocentric
1. Sub-metacentric
2. Acrocentric
3. Metacentric
4. Telocentric
Subtopic: Nucleus: Chromosomes |
72%
From NCERT
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