Q. No.Which one of the following structures between two adjacent cells is an effective transport pathway?
1. Plasmodesmata
2. Plastoquinones
3. Endoplasmic reticulum
4. Plasmalemma
Subtopic: Cell Wall |
93%
Level 1: 80%+
AIPMT - 2010
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The middle lamella of plant cell wall is a layer mainly composed of:
1. Calcium pectate
2. Calcium carbonate
3. Calcium silicate
4. Calcium phosphate
1. Calcium pectate
2. Calcium carbonate
3. Calcium silicate
4. Calcium phosphate
Subtopic: Cell Wall |
93%
Level 1: 80%+
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Subtopic: Cell Wall |
92%
Level 1: 80%+
AIPMT - 2001
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Subtopic: Cell Wall |
92%
Level 1: 80%+
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The primary wall of a young plant cell is capable of __________ as the cell matures, while the __________ wall forms on the inner side of the cell, providing additional rigidity.
| 1. | shrinking, outer |
| 2. | breaking down, middle |
| 3. | growth, secondary |
| 4. | division, primary |
Subtopic: Cell Wall |
90%
Level 1: 80%+
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Galactans and mannans are the important component of cell wall of
1. Plant
2. Algae
3. Fungi
4. Bacteria
Subtopic: Cell Wall |
89%
Level 1: 80%+
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Thin, amorphous, and cementing layer between two adjacent cells, is
| 1. | Primary wall | 2. | Middle lamella |
| 3. | Secondary wall | 4. | Plasma membrane |
Subtopic: Cell Organisation | Cell Wall | Cell Membrane |
88%
Level 1: 80%+
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Which of the following cell wall comes early and disappears gradually in the life of plant?
| 1. | primary cell wall | 2. | secondary cell wall |
| 3. | tertiary cell wall | 4. | Both A and B |
Subtopic: Cell Wall |
88%
Level 1: 80%+
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intercellular matrix or common layer between the primary walls of adjacent cells is
1. Middle lamella
2. Primary wall
3. Secondary wall
4. Periplasmic space
1. Middle lamella
2. Primary wall
3. Secondary wall
4. Periplasmic space
Subtopic: Cell Wall |
88%
Level 1: 80%+
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Which of the following is not true about cell wall
1. protects cell from mechanical damage
2. permeable to water
3. It’s a living structure
4. absent in animals
Subtopic: Cell Wall |
84%
Level 1: 80%+
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