🌾Agriculture MCQs
Agriculture MCQs
494 MCQs41
The EC: SAR and RSC values suggested by WAPDA for 3rd class irrigation water(C,S,R,) are____________________?
AECi:
BECi:>1.5, SAR > 10 & RSC> 2.5
CECi:>1.5, SAR 2.5
DBoth a & b
42
The exact chemical formula of DAP fertilizer is___________________?
A(NH2) HPO4
BNH4H2PO4
CNH4H2PO4
DBoth a & c
43
Nitrification is the microbial conversion of____________________?
ANH nitrogen the NO3 nitrogen in soil
BNO2 to NO3 nitrogen in soil
CNO3 nitrogen to NH4 + in soil
DNone of the above
44
Radiation can be detected by the blankening of photographic film or by using___________________?
ARatio autoanalyser
BGM counter
CNeutron probe
DDosimeter
45
The complex fertilizer Nitrophos available in the market contains_____________________?
A25%N & 23% P2O3
B46%N & 23% P2O3
C23%N & 23% P2O3
DNone of the above
46
Extraction of humic substance can be done by______________________?
ANaOH
BNH4Cl
CNH4OH
DNone of the above
47
Who gave the defination of humic acid ?
AGapon
BFelbeek
CNeir
DLiekig
48
Which compound decay slowly______________________?
AAmino acid
BLignin
Cfats
DCellulose
49
Widely spread saprophytic fungi is________________________?
ABasidiomycetes
BAscomycetes
CEndospore
DNone of the above
50
Which bacteria causes fermentation__________________?
AAzotobacter
BBacillus
CPseudomonas
DCorey