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Q. No.Microtubules, microfilaments and intermediate filaments:
1.
are ribonucleoproteins.
2.
are part of cytoskeleton in both eukaryotic and prokaryotic cells.
3.
are involved in many functions such as mechanical support, motility, maintenance of the shape of the eukaryotic cell.
4.
are always deposited on cell surface and are never found in the cytoplasm.
Subtopic: Cytoskeleton | Cilia & Flagella | Microbodies |
84%
From NCERT
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The organelles in a eukaryotic cell that have their own genome are:
1. RER and SER
2. Mitochondria and chloroplasts
3. Plasmids and plastids
4. Nucleus and ribosomes
Subtopic: Plastids | Mitochondria |
91%
From NCERT
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Consider the two statements:
| Assertion (A): | The cells of testes and ovaries have abundance of Smooth Endoplasmic Reticulum. |
| Reason (R): | The cells of testes and ovaries secrete steroid hormones. |
| 1. | Both (A) and (R) are true and (R) correctly explains (A). |
| 2. | (A) is true but (R) is False. |
| 3. | Both (A) and (R) are true but the (R) does not explain (A). |
| 4. | (A) is false but Reason is true. |
Subtopic: Intro to Endomembrane System: Endoplasmic Reticulum | Endomembrane System | Endomembrane System (Endoplasmic Reticulum) |
85%
From NCERT
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Golgi apparatus:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | is an important site of formation of glycoproteins and glycolipids. |
| II: | is not a part of the endomembrane system of a eukaryotic cell. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Golgi Apparatus |
92%
From NCERT
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Consider the given two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is correct; Statement II is incorrect
| Statement I: | The content of nucleolus is continuous with the rest of the nucleoplasm as it is not a membrane bound structure. |
| Statement II: | The outer nuclear membrane usually remains continuous with the endoplasmic reticulum but does not bear ribosomes on it. |
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is correct; Statement II is incorrect
Subtopic: Nucleus |
70%
From NCERT
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In the sectional view of chloroplast shown below, the location of enzymes required for the synthesis of carbohydrates and proteins, is shown by the letter:
1. A
2. B
3. C
4. D
1. A2. B
3. C
4. D
Subtopic: Plastids |
78%
From NCERT
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In a prokaryotic cell, phosphate granules, cyanophycean granules and glycogen granules are examples of:
1. inclusion bodies.
2. subunits of ribosomes.
3. enzyme rich locations in cell membrane.
4. products of plasmid genes.
1. inclusion bodies.
2. subunits of ribosomes.
3. enzyme rich locations in cell membrane.
4. products of plasmid genes.
Subtopic: Ribosome and Inclusion Bodies |
97%
From NCERT
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In Amoeba, contractile vacuoles:
| 1. | contains water, sap, excretory product and other materials not useful for the cell. |
| 2. | store enzymes capable of digesting carbohydrates, proteins, lipids and nucleic acids. |
| 3. | are formed by engulfing the food particles. |
| 4. | are important for osmoregulation and excretion. |
Subtopic: Vacuole |
72%
From NCERT
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What would be true regarding the names of chromosomes described in the given table?
1. A and B only
2. A and C only
3. C and D only
4. B and D only
| I: | Centromere placement very close to the top, p arms not visible |
| II: | q arms are much longer than the p arms. |
| III: | p and q arms are very close in length but not equal. |
| IV: | p and q arms are equal in length. |
| A: | I is Acrocentric and II is Telocentric |
| B: | III is Metacentric and IV is Sub-metacentric |
| C: | I is Telocentroic and II is Acrocentric |
| D: | III is sub-metacentric and IV is Metacentric |
1. A and B only
2. A and C only
3. C and D only
4. B and D only
Subtopic: Nucleus: Chromosomes |
90%
From NCERT
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Consider the given two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is correct; Statement II is incorrect
| Statement I: | Mature sieve tube elements of vascular plants and mature human erythrocytes are not considered as ‘living’ cells. |
| Statement II: | Mature sieve tube elements of vascular plants and mature human erythrocytes lack a nucleus. |
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is correct; Statement II is incorrect
Subtopic: Nucleus |
69%
From NCERT
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