11-Hexudecenal is sex pheromone of:
A.Heliothis armigera
B.Spodoptera litura
C.Trichoplusia nigra
D.None of the above
Category: Agriculture Engineering Mcqs
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The following belong to the same trophic level:
A.Tiger and wild beer
B.Snake and earthworm
C.Deer and honey bee
D.Crow and cow
Alexander Fleming (1929) discovered:
A.Streptomycetease
B.Penicillin
C.Tyrocidine
D.Giseofulvin
Sugars present in DNA and RNA respectively are:
A.Glucose and Fructose
B.Deoxyribose and Ribose
C.Galactose and Raffinose
D.Erythrose and Starchyos
The specific gravity of high-speed diesel is:
A.0.73
B.0.87
C.0.92
D.0.95
The specific gravity of powering is:
A.0.82
B.0.88
C.0.91
D.None of these
The primary purpose of ring expander is to:
A.Make up for cylinder, wear
B.Increase static ring tension
C.Decrease dynamic ring tension
D.Reduce ring vibration
The diesel engine does not have:
A.Carburettor
B.Spark plug
C.Ignition coil
D.All are correct
_______ comprises important mechanisms of herbicide detoxification in soil under field conditions especially surface incorporation subsequent to rainfall or irrigation:
A.Thermo decomposition
B.Blodecomposition
C.Chemodecomposition
D.Photodecomposition
Quantity of single super phosphate needed for applying 80 kg P2O5/ha to sugarcane will be:
A.250 kg
B.500 kg
C.750 kg
D.1000 kg
