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Q. No.The concept of "Omnis cellula-e-cellula" regarding cell division was first proposed by:
1. Aristotle
2. Rudolf Virchow
3. Theodore Schwann
4. Schleiden
1. Aristotle
2. Rudolf Virchow
3. Theodore Schwann
4. Schleiden
Subtopic: Cell Theory |
94%
From NCERT
NEET - 2019
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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 |
87%
From NCERT
NEET - 2019
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Which of the following statements is not correct?
| 1. | Lysosomes are formed by the process of packaging in the endoplasmic reticulum. |
| 2. | Lysosomes have numerous hydrolytic enzymes |
| 3. | The hydrolytic enzyme of lysosomes are active under acidic pH |
| 4. | Lysosomes are membrane bound structure. |
Subtopic: Lysosomes |
76%
From NCERT
NEET - 2019
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Select the wrong statement from the following:
| 1. | Both chloroplast and mitochondria contain an inner and an outer membrane |
| 2. | Both chloroplasts and mitochondria have an internal compartment, the thylakoid space bounded by the thylakoid membrane |
| 3. | Both chloroplasts and mitochondria contain DNA |
| 4. | The chloroplasts are generally much larger than mitochondria |
Subtopic: Mitochondria |
79%
From NCERT
AIPMT - 2007
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Which one of the following is not a constituent of the cell membrane?
1. Cholesterol
2. Glycolipids
3. Proline
4. Phospholipids
Subtopic: Cell Membrane |
86%
From NCERT
AIPMT - 2007
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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 |
86%
From NCERT
AIPMT - 2008
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Polysome is formed by:
| 1. | several ribosomes attached to a single mRNA |
| 2. | many ribosomes attached to a strand of endoplasmic reticulum |
| 3. | a ribosome with several subunits |
| 4. | ribosomes attached in a linear arrangement |
Subtopic: Ribosome and Inclusion Bodies |
89%
From NCERT
AIPMT - 2008
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The cytoskeleton is made up of:
1. calcium carbonate granules
2. callose deposits
3. cellulosic microfibrils
4. proteinaceous filaments
Subtopic: Cytoskeleton |
77%
From NCERT
AIPMT - 2009
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Plasmodesmata are:
| 1. | lignified cemented layers between cells |
| 2. | locomotory structures |
| 3. | membranes connecting the nucleus with plasmalemma |
| 4. | connections between adjacent cells |
Subtopic: Cell Wall |
84%
From NCERT
AIPMT - 2009
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Middle lamella is mainly composed of:
1. hemicellulose
2. muramic acid
3. calcium pectate
4. phosphoglycerides
Subtopic: Cell Wall |
93%
From NCERT
AIPMT - 2009
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