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
Subtopic:  Cell Wall |
 93%
Level 1: 80%+
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Element necessary for the middle lamella:
1.  Ca
2.  Zn
3.  K
4.  Cu

Subtopic:  Cell Wall |
 92%
Level 1: 80%+
AIPMT - 2001
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Select the odd one for plant cell wall

1. Cellulose

2. Hemicellulose

3. Pectin

4. Chitin

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
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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