Pteridophyta do not have

State reasons for the following:
$(a)$ Bryophytes are called amphibians of the plant kingdom.
$(b)$ Gymnosperms are called so (naked-seeded plants).
$(c)$ Birds have wings and feathers.

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

You are provided with the seeds of gram,wheat,rice,pumpkin,maize,and pea. Classify them into monocot and dicot seeds.

State whether the following statement is true or false:
Cryptogamae means those with open reproductive organs.

Name two plants for each of the following types:
$(i)$ Vascular cryptogams
$(ii)$ Naked seeded plants
$(iii)$ Flowering plants