Cell Wall Structure (MP DMAT)
Cell wall structure, composition, and components across plants, fungi, bacteria, archaea, and algae
Questions
Which organelle acts as a pressure vessel?
- Cell membrane
- Cell wall
- Vacuoles
- Protoplasm
The additional stiffness of secondary cell wall of xylem is due to
- suberin
- lignin
- pectin
- cellulose
Which of the following components is found in a fungal cell wall?
- Pectin
- Peptidoglycan
- Chitin
- Cellulose
The middle lamella of a cell wall is rich in
- lignin
- pectin
- suberin
- chitin
Which layer of cell wall is laid first during formation of a plant cell?
- Primary cell wall
- Middle lamella
- Secondary cell wall
- Tertiary cell wall
The hemicellulose only present in primary cell wall of most plants is
- arabinoxylan
- glucomannan
- xyloglucan
- glucuronoxylan
Hydroxyproline-rich glycoproteins are found in the cell wall of
- plants
- fungi
- bacteria
- algae
Which of the following polysaccharides is/are present in the cell wall of marine blue-green algae?
- Alginic acid
- Xylans
- Mannans
- Agarose
Cell wall of diatoms is composed of
- hemicellulose
- biogenic silica
- glycocalyx
- hyaluronic acid
Cells interact with each other through
- cell plate
- plasmodesmata
- Ca-pectate
- cellulose microfibrils
The rigidity of cell wall is due to
- tensile strength
- osmotic pressure
- hydraulic turgor pressure
- stiffness
Mannoproteins are found in the cell wall of
- moulds
- true fungi
- bacteria
- gymnosperms
Sulphonated polysaccharides are present in the cell walls of
- fungi
- plants
- algae
- mycoplasma
Which of the following components is present in water mold cell wall, but absent in fungal cell wall?
- Chitin
- Cellulose
- Glycans
- Hydroxyproline
Cell wall is not found in
- true fungi
- gram negative bacteria
- mycoplasma
- aquatic plants
Glycoprotein S-layers, pseudopeptidoglycan or polysaccharides are found in the cell walls of
- bacteria
- plant
- fungus
- archaea