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Q. No.Consider the given two statements:
| Assertion (A): | Concentration of certain ions significantly higher in the vacuole than in the cytoplasm of a plant cell. |
| Reason (R): | In plant cells the vacuoles can occupy up to 90 per cent of the volume of the cell. |
| 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. | (A) is False but (R) is True. |
Subtopic: Â Vacuole |
 76%
From NCERT
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Which of the following pair of organelles does not contain DNA?
1. Nuclear envelope and Mitochondria
2. Mitochondria and Lysosomes
3. Chloroplast and Vacuoles
4. Lysosomes and vacuoles
Subtopic: Â Lysosomes |Â Vacuole |
 88%
From NCERT
NEET - 2019
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The osmotic expansion of a cell kept in water is chiefly regulated by:
1. Mitochondria
2. Vacuoles
3. Plastids
4. Ribosomes
Subtopic: Â Vacuole |
 93%
From NCERT
AIPMT - 2014
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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: Â Vacuole |
 72%
From NCERT
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