When yeast and certain bacteria carry on anaerobic respiration they produce:
A.Carbon dioxide
B.Nitrogen
C.Water
D.Oxygen
Category: Agriculture Engineering Mcqs
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Air injection pumps are mostly used in:
A.Tractor engine
B.Railway engine
C.Aircraft engine
D.Heavy duty stationary engine
Which of the following is non-renewable source of energy:
A.Mineral
B.Water
C.Forest
D.Solar energy
Nitrogen is applied into transplanted rice in the proportion of:
A.50% at basal + Nil at tillering + 50% at panicle emergence stage
B.Nil at basal + 50% at tillering 50% at panicle emergence stage
C.25% at basal + 50% at tillering + 25% at panicle emergence stage
D.50% at basal + 25% at tillering + 25% at panicle emergence
A ten human power equals to:
A.0.1 hp
B.0.5 hp
C.1.0 hp
D.10.0 hp
_______is considered to be most important of the soil organisms bringing about the conversion of NH4+ to NO2-
A.Nitrosomonas
B.Nitrobacter
C.Azotobacter
D.Azospirillum
A surface horizon, which has very high organic matter, is:
A.Hisitic epipedon
B.Ochric epipedon
C.Umbric epipedon
D.None of the above
Auxins:
A.Induce elongation in shoot cells
B.Resemble indole-3-acetic acid in physiological action
C.Are generally acids with an unsaturated cyclic nucleus
D.All of the above
Betjertnckia may be present in the soils having pH:
A.3?9
B.1?5
C.7?12
D.None of these
