What is tonoplast?
1. The membrane surrounding the vacuole

2. A type of plastid involved in pigment synthesis

3. The double membrane of the nucleus
4. The outer membrane of the chloroplast
Subtopic:  Vacuole |
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Level 1: 80%+
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The membrane surrounding the central vacuole in plant cells, which regulates the transport of ions and other substances between cytoplasm and vacuole, is called:
1. Plasmalemma 2. Perisome
3. Tonoplast 4. Mesosome
Subtopic:  Vacuole |
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Match List I with List II
List I List II
A. Stroma I. Vacuole membrane
B. Plasmodesmata II. Infoldings in mitochondria
C. Tonoplast III. Fluid inside Chloroplast
D. Cristae IV. Cytoplasmic connections
Choose the correct answer from the options given below:
1.  A - (III); B - (II); C - (IV); D - (I)
2.  A - (I); B - (II); C - (III); D - (IV)
3.  A - (III); B - (IV); C - (I); D - (II)
4.  A - (III); B - (II); C - (I); D - (IV)
Subtopic:  Mitochondria | Vacuole |
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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:  Vacuole |
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Level 1: 80%+
AIPMT - 2014
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Identify the structure on the basis of below given features:

(a) Can occupy more than 90% volume of a plant cell
(b) Membrane bound space
(c) Help in excretion in Amoeba
1. Vacuole

2. Lysosome
3. Peroxisome
4. Nucleus

Subtopic:  Endomembrane System | Vacuole |
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What makes the vacuoles in plant cells distinct from those in protists like Amoeba?
1. Plant cell vacuoles facilitate osmoregulation, while protist vacuoles store ions.
2. Plant vacuoles maintain turgor pressure, while protist vacuoles are involved in food storage or osmoregulation.
3. Vacuoles in plant cells are surrounded by a double membrane, while those in protists have a single membrane.
4. Vacuoles in protists are larger than those in plant cells.
Subtopic:  Vacuole |
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Level 1: 80%+
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Why concentration of number of ions and other materials is higher in vacuole than cytoplasm?

1. Vacuolar membrane is permeable for all substances
2. Tonoplast facilitates transport against concentration gradient
3. Vacuole is non-membrane structure
4. Vacuoles store and synthesize ATP to absorb ions and materials 
Subtopic:  Intro to Endomembrane System: Endoplasmic Reticulum | Endomembrane System | Vacuole |
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Which of the following is true for vacuole

1. It is present in both plants and animals
2. Central vacuole is present in plant
3. It occupies 90% volume of the plants
4. All of these
Subtopic:  Vacuole |
 82%
Level 1: 80%+
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