Biological Classification Question 110
110. Claviceps purpurea is causal organism of
(a) Smut of Barley
(b) Rust of Wheat
(c) Ergot of Rye
(d) Powdery Mildew of Pea.
Show Answer
Answer : c
Hints & Solutions
(c) The fungus that causes the disease ‘Ergot of Rye’ is Claviceps purpurea. It contains many poisonous alkaloids. The hallucinogenic drug LSD is extracted from this fungi.
- Rust of wheat is used by Puccinia graminis.
- Powdery mildew ofpeais causedby Erysiphae.
