🌾Agriculture MCQs
Agriculture MCQs
494 MCQs11
Humic acid is soluble in____________________?
AAcid
BAlkali
CBoth a & b
DNone of the above
12
In flood rice, snail feed on bacteria called__________________?
AHelix
BLimnea
CAzolla
DNone of the above
13
Which bacteria convert nitrite to nitrate___________________?
AFrankia
BNitrobacter
CPseudomonas
DNone of the above
14
Examples of macrobiota are______________________?
AEnchytrids
BFungus
CBacteria
DPlants
15
Part of soil which is in contact with root surface is called___________________?
ARhizoshpere
BLithoshpere
CAtmoshpere
DNone of the above
16
Point of zero change means____________________?
AAll the covalent bonds
BZero charge at surface
CAll are ionic bond
DNone of the above
17
The most abundant metal in the earth’s crust and toxic to plants in low concentration is____________________?
AMo
BAl
CFe
DAll the above
18
The salinity can be reduced by the application of___________________?
ALime
BSulphuric acid
CUrea
DAll the above
19
Soil moisture and ET losses are_________________?
AInversely related
BDirectly related
CNot related
DOccasionally related
20
Particular matter consists of____________________?
ASolid and gases
BCO2 & N
CSolid and liquid
DNone of the above