Mesosomes extensions can be present in the form of
1. vesicles
2. tubules
3. lamellae
4. All of the above
If glycocalyx is loose then it is called as ____________and if it’s tough and thick then it is called as _________
(1)slime layer, capsule
(2)slime mould ,capsule
(3)capsule, slime layer
(4)capsule, slime mould
Which of the following connects the cell wall of the neighbouring cells?
1. plasmodesmata
2. Desmosomes
3. Gap junction
4. Tight junction
Galactans and mannans are the important component of cell wall of
1. Plant
2. Algae
3. Fungi
4. Bacteria
Which of the following is the part of cell envelope?
1. glycocalyx
2. cell wall and cell membrane
3. Both A and B
4. Glycocalyx and cell wall
Which of the following is true about cell wall except
1. | determines shape of the cell |
2. | prevent cell from bursting and collapsing |
3. | selective permeable in nature |
4. | provides strong structural support |
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 1 and 2 |
Which of the following holds the neighbouring cells together
1. calcium pectate
2. sodium pectate
3. Both A and B
4. manganese pectate
How many layers are present in cell envelope of prokaryotes?
1. 4
2. 3
3. 2
4. 1
The common component between the cell wall of algae and plants is
1. cellulose
2. Hemicellulose
3. Both A and B
4. Mannans