Q. No.The membrane of vacuole is called
1. plasma membrane
2. tonoplast
3. cytoplasm
4. tunicates
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe osmotic expansion of a cell kept in water is chiefly regulated by
1. mitochondria
2. vacuoles
3. plastids
4. ribosomes
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe contractile vacuole
| 1. | is present in Amoeba | 2. | helps in osmoregulation |
| 3. | helps in excretion | 4. | All of the above |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyVacuole 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect the mismatch.
1. Gas vacuoles — Green bacteria Cells
2. Large central vacuoles — Animal cells
3. Protists — Eukaryotes
4. Methanogens — Prokaryotes
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn plant cell the concentration of ions is more in
(1)cytoplasm
(2)vacuoles
(3)equal in both
(4)nucleus
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyRead 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
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