Amount of heat required to raise temperature of 1 gm soil from 14 to 15 ?C is known as:
A.Heat capacity
B.Specific heat
C.Thermal conductivity
D.None of the above
Category: Agriculture Engineering Mcqs
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Every ecosystem must have a continuous external source of:
A.Energy
B.Oxygen
C.Living organism
D.Bacteria
A form of low pruning to about 2 m up the stem:
A.Zero prunning
B.Brashing
C.Pollarding
D.None of the above
Zinc deficiency occurs in crops growing in soils having high phosphorous:
A.Light soils
B.Calcareous soils
C.Soils low in phosphorous
D.Soil having pH 7.5
Basic unit of classification is known:
A.Species
B.Genus
C.Family
D.Order
The extra high speed engines used in knapsack sprayers are powered by:
A.Kerosene
B.Diesel
C.Petrol
D.Dual fuel
An extension method in which systematic display of models. Specimens, charts, graphs, information, posters, etc. is done in a sequence so as to be significant in teaching or creating interest among the formers is called:
A.Group contact
B.Campaign
C.Exhibition
D.Tour and excursions
Mycoplasma is sensitive to:
A.Pencillin
B.Steptomycin
C.Bavistin
D.Tetracycline
A method of breeding most commonly used when the desired variation is required to be induced in a vegetatively propagated crop is:
A.Polyploidy
B.Pedigree method of breeding
C.Mutation breeding
D.Backcross method of breeding
2, 4-D is a herbicide:
A.Selective
B.Non-selective
C.Contact
D.Selective and systemic
