Question1) Answer all the questions:
a) Explain alternation of generation.
b) What do you mean by Laplo-diplo-biontic life cycle?
c) Write down characteristics of seed plants.
d) Write down economic importance of Gymnosperms
e) What do you mean by endo-sperm?
Question2) Explain the life cycle of selaginella in detail.
Question3) Write down significant characteristics of psilopsida.
Question4) Describe the distribution and structure of equisetum.