Q. Which one of the following is wrongly matched ?
(a) Root – Exarch protoxylem
(b) Cassia – Imbricate aestivation
(c) Root pressure – Guttation
(d) Puccinia – Smut
Solution : Correct option : D Puccinia is called as rust fungus. Smut is caused by Ustilago. Both rust and smut causing fungi belong to the class Basidiomycetes.