Five kingdom system of classification suggested by R.H. Whittaker is based on:

1. Complexity of body organisation

2. Mode of reproduction

3. Mode of nutrition

4. All of the above

Which one of the following living organisms completely lacks a cell wall?

1. Cyanobacteria

2. Sea- fan (Gorgonia)

3. Saccharomyces

4. Coelenterata algae

In the five-kingdom classification, Chlamydomonas and Chlorella have been included in:

Evolutionary history of an organism is known as:

1. Phylogeny

2. Ancestry

3. Palaeontology

4. Ontogeny