Biological Classification Question 106
106. Which of the following is not correctly matched?
(a) Root knot disease - Meloidogyne javanica
(b) Smut of bajra - Tolysporium penicillariae
(c) Covered smut of barley - Ustilago nuda
(d) Late blight of potato - Phytophthora infestans
Show Answer
Answer : c
Hints & Solutions
(c) Covered smut of barley is caused by Ustilago hordei, not by Ustilago nuda. This disease is purely externally seed borne.
