In the plant kingdom how many phylums are there, Orders,Classes?
What is the effect of heavy metal concentration on algae?
Name the root which perform photosynthesis.
what is the definition of a tracheophyte?
How can you tell how old a tree is without cutting it?
what is homology?
can you give the scientific and common names of some plants which grow well in diffused light?
What are the characteristic features of Kaloxylon?
What is a mangrove?
which flowers have no chance of being pollinated, bright colored flowers or white flowers?
what is the maximum height that tress can grow?
Define photophosphorylation?
Is it good to sleep under a tree during the day?