Chauncey Goodrich was the first _____ to publish a paper dealing with resistance of potatoes to the blight diseases:
A.Britisher
B.German
C.Dutch
D.American
Category: Agriculture Engineering Mcqs
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The cycling of elements in an ecosystem is called:
A.Chemical cycle
B.Biogeochemical cycle
C.Geological cycle
D.Geochemical cycle
ABA (abscic acid) appears to be universal among:
A.Algae
B.Liveworts
C.Vascular plants
D.All mosses
A combination of many taxonomic units like soil series, phase or types is called:
A.Soil variant
B.Soil series
C.Soil complex
D.Soil association
0.03 N, NH4 F + 0.025 N, NCl, is called__________?
A.Bray No. 1 extractant
B.Olsen extractant
C.Bray No. 2 extractant
D.None of these
Anthracnose of Grape is also known as:
A.Bird’s-eye disease
B.Buck eye rot
C.Black spot
D.Both (a) & (c)
During the photosynthesis the oxygen in glucose comes from:
A.Carbon dioxide
B.Water
C.Both from carbon dioxide and water
D.Oxygen in the air
The best hydrocarbons from detonation point of view are:
A.Paraffin
B.Naphthenes
C.Aromatics
D.Olefins
Which one of the following factors causes an increase in transpiration rate?
A.A hot dry windy day
B.A cool damp windy day
C.A hot damp windy day
D.None of the above
Energy flow and energy transformations in living systems strictly conform to the:
A.Law of limiting factors
B.Liebig’s law of minimum
C.Laws of thermody namics
D.Shelford’s law of tolerance
E.Biogenetic law
