State any three differences between cryptogamae and phanerogamae.

What are gymnosperms? Give two characteristics.

$A$ plant specimen was found with rhizoids instead of differentiated roots.
$(a)$ Identify the group to which it belongs.
$(b)$ Write any two characteristics of this group.
$(c)$ Draw the diagram of a plant belonging to this group.

Thallophyta,Bryophyta,and Pteridophyta are called 'Cryptogams'. Gymnosperms and Angiosperms are called 'Phanerogams'. Discuss why? Draw or describe one example of a Gymnosperm.

Which among the following has specialised tissue for conduction of water?
$(i)$ Thallophyta
$(ii)$ Bryophyta
$(iii)$ Pteridophyta
$(iv)$ Gymnosperms

$(i)$ 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 the mode of nutrition is saprophytic.
$(c)$ In which seeds are not enclosed in fruit.
$(iii)$ Classify flowering plants on the basis of the number of cotyledons present in the seed.