B:-Smut
C:-Anthracnose
D:-Scab
Correct Answer:- Option-B
Question78:-Siderophores are produced by P. flurescens which
A:-induced systemic resistance is host plants
B:-sequester iron
C:-have antibiotic properties
D:-compete for nutrition and food with pathogens
Correct Answer:- Option-B
Question79:-Sulphur containing fungicides are mainly used for the management of
A:-Downy mildews
-Powdery mildews
C:-Rusts
D:-Antracnose
Correct Answer:- Option-B
Question80:-The causal organism of blister blight of tea is
A:-Pestalotia theae
-Phellinus noxius
C:-Exobasidium vexans
D:-Hemileia vastatrix
Correct Answer:- Option-C
Question81:-Latest element added to the list of essential for plant growth is
A:Ni
-Mo
பே
D:-Zn
Correct Answer:- Option-A
Question82:-The most popular and important soil and water conservation method practiced in India is
A:-Compartmental bunding
B:-Bench terracing
C:-Strip cropping
D:-Contour bunding
Correct Answer:- Option-D
Question83:-Goal 23.5% Ec is a commercial formation of herbicide
A:-Diuron
B:-Glyphosate
C:-Pendimethalin
D:-Oxyfluorfen
Correct Answer:- Option-D
Question84:-A selective post emergence herbicide recommended for the control of Echinochloa species in rice crop is
A:-Butachlor
B:-2,4, -D
C:-Cyhalofop butyl
D:-Glyphosate
Correct Answer:- Option-C
Question85:-The average C:N ratio of the top most plough depth layer of soil varies from
A:-20:1 to 30:1
B:-10:1 to 12:1
C:-30:1 to 40:1
D:-100:1 to 110:1
Correct Answer:- Option-B
Question86:-The WR (Water Requirement) of sugarcane crop with a growing duration of 300 days is___s mm
A:-500
B:-1000
C:-1500
D:-2000
Correct Answer:- Option-D
Question87:-Low salinity water which is good for most crops and soils has an EC range (d°S*-1") of