D:-Fertilizer application
Correct Answer:- Option-B
Question29:-The following is an example for igneous rock
A:-Sand stone
B:-Lime stone
C:-Marble
D:-Granite
Correct Answer:- Option-D
Question30:-The organic matter richest horizon in a soil profile is
A:-0 horizon
B:-A horizon
C:-B horizon
D:-C horizon
Correct Answer:- Option-A
Question31:-1 ppmis
മ: gflitre
B:-10 mg/litre
C:-1 mg/litre
D:-10 gflitre
Correct Answer:- Option-C
Question32:-Method of grafting where both root stock and scion have their own root system till the graft union 15 achieved
A:-stone grafting
B:-approach grafting
C:-softwood grafting
D:-side grafting
Correct Answer:- Option-B
Question33:-Cyrtobagous salviniae is used as a biocontrol agent against
A:-Water hyacinth
B:-African payal
C:-Water lily
D:-None of the above
Correct Answer:- Option-B
Question34:-Bunchy top disease of banana is transmitted by
A:-Aphid
B:-White fly
C:-Pseudostem weevil
D:-Nematode
Correct Answer:- Option-A
Question35:-Lime application is done to
A:-increase alkalinity of soil

C:-increase acidity of soil
D:-decrease acidity of soil
Correct Answer:- Option-D
Question36:-A single window system that functions to ensure the availability of farm labor, inputs, planting materials plant
protection agents etc is
A:-Biopharmacy
B:-Agriclinics
C:-Agroservice centre
D:-None of the above
Correct Answer:- Option-C
Question37:-Which of the following is used to remove pesticide residue from fruits and vegetables before consumption?
A:-Common salt
B:-Turmeric powder
C:-Vinegar
D:-All the above
Correct Answer:- Option-D
Question38:-The branch of agriculture which deals with pests of crops and their management
A:-Agricultural entomology