A) petiole
B) spa the
C) prothallus
D) ligule
Correct Answer: D
Solution :
Ligule in Selaginella is a tongue shaped outgrowth present at the base of each young leaf on its adaxial side. It is considered as a protective organ. Selaginella also shows seed habit. The ability to form seed is called seed habit. Seed habit is considered to be originated in pteridosperms (seed ferns) or cycadofilicales during Devonean carboniferous periods.
You need to login to perform this action.
You will be redirected in
3 sec
