Q. Which one of the following is wrongly matched?
A) Cassia – Imbricate aestivation
B) Root pressure – Guttation
C) Puccinia – Smut
D) Root – Exarch protoxylem
Explanation
[Solution from source] Puccinia causes rust disease of wheat; smuts are caused by Ustilago, so this pair is wrongly matched. Cassia does show imbricate aestivation, guttation is caused by root pressure, and roots have exarch protoxylem. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.