The branch of botany which deals with the study of tissues is called
Myology
Histology
Karyology
Phytogeography
Which of the following is the earliest land plant?
Rhynia
Riccia
Pinus
Cordaites
Which of the following statement is correct about organic molecules of life?
They always show covalent bonding
They always contain Carbon and Hydrogen
They are often associated with non-living element
None of these
Diversification in plant life appeared.
By seed dispersal
Suddenly on earth
Due to abrupt mutations
Due to long periods of evolutionary changes.