The membrane of vacuole is called

(1)plasma membrane

(2)tonoplast

(3)cytoplasm

(4)tunicates

Subtopic:  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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The contractile vacuole

(1) is present in Amoeba

(2)helps in osmoregulation

(3)helps in excretion

(4)All of the above

Subtopic:  Vacuole |
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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:  Lysosomes | Vacuole |
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Vacuole in a plant cell:

1. is membrane-bound and contains storage proteins and lipids

2. is membrane-bound and contains water and excretory substances

3. lacks membrane and contains air

4. lacks membrane and contains water and excretory substances

Subtopic:  Vacuole |
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Select the mismatch.

1. Gas vacuoles — Green bacteria Cells

2. Large central vacuoles — Animal cells

3. Protists — Eukaryotes

4. Methanogens — Prokaryotes

Subtopic:  Vacuole |
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In plant cell the concentration of ions is more in

(1)cytoplasm

(2)vacuoles

(3)equal in both

(4)nucleus

Subtopic:  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 |
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Select the wrong statement about eukaryotic cells.

1. They have well defined nucleus

2. Possess 70S ribosomes

3. May have a cell wall

4. No organelles are single membrane bound

Subtopic:  Eukaryotic Cell Architecture: Types | Vacuole |
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Read the statements carefully and select the set of correct statements

a.  Palade particles are found in all cellular organisms

b.  A membrane bound structure in nucleus is the site of ribosomal RNA synthesis

c.  The mitochondria can be divide meiotically to produce daughter mitochondria

d.  Vacuoles can occupy about 90% of the volume of a plant cell

1.  All except b

2.  a & c

3,  b & d

4.  a & d 

Subtopic:  Mitochondria | Nucleus | Vacuole |
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