A) 4
B) 6
C) 8
D) 10
Correct Answer: A
Solution :
According to Tippos classification of kingdom Plantae, there are four sub-phyla in Tracheata, i.e., Pteropsida, Lycopsida, Sphenopsida and Psilopsida.
You need to login to perform this action.
You will be redirected in
3 sec
