Identify the incorrectly matched pair:
I
Chloroplasts
contain chlorophyll and carotenoid pigments
II
Amyloplasts
store carbohydrates
III
Elaioplasts
store oils and fats
IV
Aleuroplasts
store proteins
1. Only I
2. Only II, III and IV
3. None, all are correctly matched
4. Only III and IV
Subtopic: Plastids |
87%
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The isolated lysosomal vesicles have been found to be very rich in:
| 1. | phosphate and chloride ions |
| 2. | cytoprotective pigment molecules |
| 3. | lymphokines like interleukins and interferons |
| 4. | acid hydrolases |
Subtopic: Lysosomes |
93%
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Subtopic: Details of Prokaryotic Cell Structure |
80%
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Which is the correct sequence of modification and transport of secretory vesicles?
| 1. | RER→cell membrane→ secretory vesicles→Golgi body |
| 2. | RER→secretory vesicles →Golgi body →cell membrane |
| 3. | RER→Golgi body→secretory vesicles→cell membrane |
| 4. | SER→Golgi body →cell membrane →secretory vesicles |
Subtopic: Golgi Apparatus |
68%
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Which is incorrect with reference to chloroplast?
| 1. | presence of algae and plants |
| 2. | Release O2 |
| 3. | Occurs only in cells with aerobic respiration |
| 4. | None of the above |
Subtopic: Plastids |
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What is the role of sterol in cell membrane?
1. Stability
2. Communication with other cell
3. Secretion
4. Transport
1. Stability
2. Communication with other cell
3. Secretion
4. Transport
Subtopic: Cell Membrane |
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The vacuole is lined by a membrane called?
| 1. | tonoplast | 2. | jacket |
| 3. | cell membrane | 4. | tonoplast |
Subtopic: Vacuole |
88%
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L-shaped chromosomes are also called
1. acrocentric
2. telocentric
3. sub-metacentric
4. None of these
1. acrocentric
2. telocentric
3. sub-metacentric
4. None of these
Subtopic: Nucleus: Chromosomes |
69%
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Balbiani rings are the structural features of:
1. allosomes
2. Polytene chromosomes
3. autosomes
4. lampbrush chromosomes
1. allosomes
2. Polytene chromosomes
3. autosomes
4. lampbrush chromosomes
Subtopic: Nucleus: Chromosomes |
59%
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The endoplasmic reticulum is in continuation with?
1. Golgi body
2. nuclear wall
3. mitochondria
4. cell wall
1. Golgi body
2. nuclear wall
3. mitochondria
4. cell wall
Subtopic: Endomembrane System (Endoplasmic Reticulum) |
70%
From NCERT
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