Dear Aspirants,
Welcome to D2G’s IBPS Agriculture Officer Quiz Section.
1. Which one of the following is a sexual spore of fungi??
a) Chlamydospores
b) Sporangiospore
c) Zoospore
d) Zygospores
2. Loose smut of barley is a?
a) internally seed borne disease
b) externally seed borne disease
c) soil borne
d) all of these
3. Early blight of potato is a?
a) soil borne disease
b) air borne
c) seed borne
d) all of the above
4. The nematodes lack organs for?
a) circulation
b) respiration
c) both (a) and (b)
d) excretory
5. Citrus greening is caused by?
a) fastidious bacteria
b) fungi
c) virus
d) MLO
6. Phyllody diease of sesamum spread by?
a) leaf hopper
b) jassid
c) aphid
d) whitefly
7. Panama wilt is a disease of?
a) mango
b) citrus
c) sugarcane
d) banana
8. Sulphur dioxide is toxic to plant at or above?
a) 0.1-0.3 ppm
b) 0.3-0.5 ppm
c) 0.5-0.7 ppm
d) 1ppm
9. Which fungicide is used against downey mildew?
a) metalaxyl
b) karathane
c) oxathin
d) streptomycin
10. Which one of the following can not be dtected by ELISA technique?
a) virus
b) bacteria
c) viroid
d) fungus