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Q. No.A single membrane, tonoplast, binds the:
| 1. Inclusion bodies | 2. Polysomes |
| 3. Vacuoles | 4. Lysosomes |
Subtopic: Vacuole |
91%
From NCERT
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Consider the two statements:
| Statement I: | Concentration of ions is significantly higher in the vacuole than in the cytoplasm. |
| Statement II: | In plant cells, the vacuoles occupy up to 90 % of the volume of the cell. |
| 1. | Statement I is correct and Statement II is incorrect |
| 2. | Both Statement I and Statement II are correct but Statement II does not explain Statement I |
| 3. | Both Statement I and Statement II are correct and Statement II correctly explains Statement I |
| 4. | Only Statement II is correct |
Subtopic: Vacuole |
66%
From NCERT
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The vacuole is bound by tonoplast which is:
1. a single membrane.
2. a double layered membrane with pore complexes.
3. a protein rich S layer.
4. freely permeable to all ions.
1. a single membrane.
2. a double layered membrane with pore complexes.
3. a protein rich S layer.
4. freely permeable to all ions.
Subtopic: Vacuole |
91%
From NCERT
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A contractile vacuole will especially be highly useful for osmoregulation in:
1. a unicellular marine water organism.
2. a multicellular marine water organism.
3. a unicellular fresh water organism.
4. a multicellular large fresh water organism.
1. a unicellular marine water organism.
2. a multicellular marine water organism.
3. a unicellular fresh water organism.
4. a multicellular large fresh water organism.
Subtopic: Vacuole |
From NCERT
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Q. No.
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