Biological Classification

Q1. Which of the following is not true regarding the structure of the cell wall in members of various Kingdoms in Whittaker’s classification system?
  • It is composed of polysaccharides and amino acids in Monera.
  • All members of Kingdom Protista have a cell wall, usually cellulosic.
  • Cell wall with chitin is present in Fungi.
  • Animals lack a cell wall in their cells.
Q2. Identify the incorrect statement regarding cyanobacteria:
  • They have chlorophyll a (similar to green plants)
  • They are unicellular and never colonial or filamentous
  • They often form blooms in polluted water bodies
  • Some of them can fix atmospheric nitrogen