Plant Pathology Multiple Choice Questions (MCQ). Plant Pathology MCQ are most important for all agriculture exam [y] like ICAR-JRF Plant Science, JRF Entomology, JRF Horticulture, JRF Agronomy [y], BHU Pre-PG, Raj Pre-PG [y], IBPS-SO/AFO [y], NET [y], CCI, IFFCO, NSC, AO, AAO etc.
Q. 1. The reddish discoloration in sugarcane is the characteristic symptom of ?
a) Red rot
b) Sett rot
c) Rust
d) Wilt
b) Sett rot
Q. 2. The causing agent of head mold of cumbu is ?
a) Single fungi
b) Double fungi
c) Various fungi
d) Mycoplasma
c) Various fungi
Q. 3. The disease triangle may exclude ?
a) Host
b) Pathogen
c) Environment
d) Time
d) Time
Q. 4. The development of plant diseases is determined by ?
a) Host
b) Pathogen
c) Environment
d) All the option and, time is also involved
d) All the option and, time is also involved
Q. 5. Root disease is a type of ?
a) Systemic disease
b) Localized disease
c) Both
d) None of the above
a) Systemic disease
Q. 6. Trade name of carboxin is?
a) Plantvax
b) Arasan
c) Vitavax
d) None of these
c) Vitavax
Q. 7. Elemental sulphur is @..?
a) 10 kg/ha
b) 15 kg/ha
c) 20 kg/ha
d) 25 kg/ha
d) 25 kg/ha
Q. 8. Wheat rust is considered as..?
a) Endemic disease
b) Pandemic
c) Epidemic disease
d) Non of the above
c) Epidemic disease
Q. 9. The Bordeaux mixture was invented in..?
a) UK
b) France
c) Portugal
d) Sweden
b) France
Q. 10. Coffee rust in ….. was observed in…?
a) Sri Lanka, 1885
b) India, 1875
c) Ghana, 1885
d) Brazil, 1875
a) Sri Lanka, 1885