Description : A synergistic herbicide combination a). 2,4-D + Docamba b). 2,4-D + atrazine c). Atrazine + alachlor d). All
Last Answer : d). All
Description : Present day versatile herbicide to control difficult, perennial, broadleaved weeds and brushes in grasslands a). Alachlor b). Atrazine c). Picloram d). All
Last Answer : c). Picloram
Description : a very successful pre-emergence herbicide in banana in India a). Atrazine b). Alachlor c). Glyphosate d). Dalapon
Last Answer : b). Alachlor
Description : A broad-spectrum herbicide in groundnut a). Fluchloralin b). Atrazine c). Alachlor d). 2,4-D
Last Answer : a). Fluchloralin
Description : Herbicidal control for Lantana a). Glyphosate b). Atrazine c). Pendimethalin d). Alachlor
Last Answer : a). Glyphosate
Description : Epinasty of cotton is used to measure qualitative assay of a). Atrazine b). 2,4-D c). Diuron d). Alachlor
Last Answer : b). 2,4-D
Description : To control broad-leaved weeds in barley, which of the herbicide is most suitable a). 2,4-D b). Metsulfuron c). Alachlor d). Both a and b
Last Answer : d). Both a and b
Description : Which herbicide is pre - plant applied herbicides ? a). Dalapon b). 2,4-D c). Alachlor d). All
Last Answer : a). Dalapon
Description : . Which is the widely used herbicide to con trol broadleaved weeds in winter grains? a). 2,4-D b). MCPA c). Both a and b d). Atrazine
Last Answer : c). Both a and b
Description : . Herbicide effectively controls Saccharum and Sorghum halepense only at pre flowering stage a). Diuron b). Atrazine c). Amitrole d). Both a and c
Last Answer : d). Both a and c
Description : . Commonly used post-emergence herbicide in wheat a). 2,4-D b). Isoproturon c). Atrazine d). Both a and b
Description : Most common herbicide used in maize ? a Atrazine b Simazine c Alachlor d Pendimethalin
Last Answer : b Simazine
Description : An important benzoic acid herbicide a).Dicamba b). 2,4-D c). Atrazine d). None of these
Last Answer : a).Dicamba
Description : A herbicide move through water conducting tissue a).Paraquat b). DSMA c). Glyphosate d). Atrazine
Last Answer : d). Atrazine
Description : A herbicide requiring good spray coverage of all foliage for effective control of a weed population a).Paraquat b). Glyphosate c). Atrazine d). Isoproturon
Last Answer : a).Paraquat
Description : Herbicide which increase tuber size be sides weed control in potato a). EPTC b). Fluchloralin c). Pendimethalin d). Atrazine
Last Answer : a). EPTC
Description : Largest pre-emergence herbicide for weed control in citrus and pineapple orchards a). Atrazine b). Metham c). Allyl d). All
Last Answer : b). Metham
Description : Which is the contact, non-selective and zero persistent herbicide in soils? a). Paraquat b). Atrazine c). 2,4-D d). Bromacil
Last Answer : a). Paraquat
Description : A very potent herbicide for the control of perennial, broad-leaved weed and brushes a). Atrazine b). 2,4-D c). Picloram d). Amitrole
Description : hich is the less toxic herbicide? a). Atrazine b). 2,4-D c). Simazine d). All of these
Last Answer : d). All of these
Description : .____________ is a selective post – emergence herbicide used for weed control in rice a). Bispyribac-sodium b). Butachlor c). Pretilachlor d). Atrazine
Last Answer : a). Bispyribac-sodium
Description : . Which of these is not a broad spec trum herbicide a). Atrazine b). Paraquat c). Bromoxynil d). Glyphosate
Last Answer : c). Bromoxynil
Description : Which herbicide not belong to triazine group a).Atrazine b).Metribuzin c).Bentazon d).Ametryn
Last Answer : c).Bentazon
Description : Which herbicide is amino acid synthesis inhibitor a). Glyphosate b). 2,4-D c). MCPA d).Atrazine
Description : Which herbicide is systemic and translocated type ? a). Atrazine b). Diuron c). Paraquat d). Glyphosate
Last Answer : d). Glyphosate
Description : Herbicide residue in soil are undesirable because of a). Injury to sensitive crops b). Accumulate in the produce c). Inhibit soil micro-organisma d). All
Description : Alachlor is an effective pre-emergence her bicide in ______ a). Maize b). Soybean c). Both d). None
Last Answer : c). Both
Description : . A pigment inhibitor a). Clomazone b). Alachlor c). Trifluralin d). All
Last Answer : a). Clomazone
Description : Mid morning application of which of the herbicides is better than its evening applica tion a). Butachlor b). Alachlor c). Glyphosate d). Paraquat
Last Answer : d). Paraquat
Description : Amount of Alachlor 50% EC for spray ing 12 ha maize field (given the dose 1.5 kg ai/ha) a). 36 kg b). 18 kg c). 54 kg d).12 kg
Last Answer : a). 36 kg
Description : Which of the following herbicides will be tightly bound to the soil? a). Trifluralin KOC(mL/g)= 7000 b). Paraquat KOC(mL/g)= 10,00,000 c). Glyphosate KOC(mL/g)= 24,000 d). Alachlor KOC(mL/g)= 124
Last Answer : b). Paraquat KOC(mL/g)= 10,00,000
Description : Which herbicide’s mode of action is root growth inhibition? a). Fluchloralin b). MCPA c). Glyphosate d). Alachlor
Last Answer : d). Alachlor
Description : Herbicide commonly available as fumigant is a). Methyl bromide b). Metham c). Allyl alcohol d). All of these
Description : How many times atrazine is more soluble than simazine? a). 1 b). 2 c). 4 d). 6
Last Answer : d). 6
Description : he earliest attempt to control weeds by herbicides was made in 1937 in Pun jab to control Carthamus oxyacantha by using a). Sulfosulfuron b). Atrazine c). Sodium arsenate d). 2,4-D
Last Answer : c). Sodium arsenate
Description : Chemical control of Parthenium hys terophorus a). Metsulfuron methyl b). Metribuzin c). Atrazine d). All
Description : A weed escape/resist pre-emergence atrazine application in maize under mid hill conditions of Himachal Pradesh a). Ageratum conuzoides b). Commelina banghalensis c). Brachiaria ramosa d). All of the above
Last Answer : d). All of the above
Description : .Atrazine recommended to be applied as _________application in maize a). Pre-emergence b). Early post-emergence c). Post-emergence d). All of the above
Description : .Atrazine recommended to be applied as ____________application in maize a). Pre-emergence b). Early post-emergence c). Post-emergence d).All of the above
Last Answer : .All of the above
Description : . Monocot are natural resistant to a). Triazine b). Pyrimidine c). Pyridine d). Atrazine
Last Answer : a). Triazine
Description : Simazine or atrazine is added to glyphosate solution then glyphosate activity a). constant b). enhanced c). reduced d). None of the above
Last Answer : c). reduced
Description : The mode of action of Atrazine is a). Pigment inhibition b). Cell membrane disruption c). Seedling growth inhibition d). Photosynthesis inhibition
Last Answer : d). Photosynthesis inhibition
Description : Symptoms where shoots/leaves are bleached white are caused due to a). Atrazine b). Glufosinate c). Tembotrione d). Fluazifop-p-butyl
Last Answer : c). Tembotrione
Description : The most commonly used herbicide in rub ber plantation a). Amitrole T b). Paraquat c). Both d). None
Description : Application of which herbicide at 5-10% of emergence in potato is more common in India? a). Paraquat b). Diquat c). EPTC d). Both a and b
Description : Inhibition of electron transfer in photosys tem II is the reason for herbicide action in a). Nitriles b). Ureas c). Both a and b d). None
Last Answer : d). None
Description : . Herbicide deactivation of selectivity in plants is achieved by a). Herbicide metabolism b). Herbicide conjugation c). Both a and b d). None of these
Description : A herbicide both soil and foliage active a). 2,4-D b). Isoproturon c). Diuron d). All of these
Description : Which is foliage acting herbicide? a). Glyphosate b). Paraquat c). EPTC d). Both a and b
Description : Which is soil acting herbicide? a). Fluchloralin b). EPTC c). Both a and b d). Glyphosate