(i) To which division of Plantae do algae belong? Write one characteristic of the division. Give two examples.
(ii) Name the group
(a) Which includes unicellular eukaryotic organisms.
(b) In which, mode of nutrition is saprophytic.
(c) In which, seeds are not enclosed in fruits.
(iii) Classify flowering plants on the basis of number of cotyledons present in the seed.