
Define the term chemotaxonomy.
Important Questions on Plant Kingdom

Multicellular, much reduced and dependent gametophyte
Siphonogamous fertilization
Fusion of male gametes with egg cell and secondary nucleus
Development of ovule into seed

Read the following combinations and arrange the below chronologically in the light of evolution.
i) Vascular Cryptogams - Ramenta
ii) Embryophytic non-archegoniate phanerogams - the presence of companion cells in the phloem
iii) Plant amphibians - elaters
iv) Tracheophytic archegoniate phanerogams - no vessels in the xylem
The correct sequence is

Equal distribution of water and air in the habitat
Adaptation to excessive water and extensive dryness
Do not show adaptation to extensive dryness
Grow in excessive water and extensive dry areas

In which of the following books, characters of evolutionary importance were not considered while classifying plants?
A) Species plantarum
B) Families of flowering plants
C) Genera plantarum
D) Die Naturlichen Pflanzenfamilien















