A. Cellulose
B. Chitin
C. Inorganic salts silica waxes and ligin
D. Peptidoglycan or Murein.
Related Mcqs:
- Secondary cell wall of sclerenchyma cells is impregnated with_________________??
- The cell wall of oomycetes is chiefly composed of___________??
- ___________ component of cell wall has grreat affinity with water??
- Cyanobacteria have ________ cell wall??
- Chemical component/s less in eukaryotic cell as compared to prokaryotic cell is / are (i) lipids (ii) carbodydrates (iii) proteins (iv) DNA_________________??
- The face temperatures of a flat wall are 650?C and 450?C respectively and the thermal conductivity of wall material is 0.30 kcal/m-hr-?C. For a wall thickness of 20 cm, the rate of heat conduction per square meter of wall area will be
- The surface temperatures of a flat wall are 650?C and 450?C respectively and the thermal conductivity of the wall material is 0.30 kcal/m-hr-?C. The heat flux for a wall of 20 cm thickness will be
- The rate of heat loss through a furnace wall is 1000 kcal per hour when inside temperature is 1000?C and outside wall temperature is 500?C. What should be the wall thickness in case the thermal conductivity of wall material is 0.5 kcal/m-hr?C
- In prokaryotic cell the nucleus has:
- If thermal conductivity of a material of wall varies as ko (1 – ?t ). The temperature at the centre of the wall will be