Description : The mode of action of Isoproturon is a). Root inhibitor b). Shoot inhibitor c). Photosynthesis inhibition d). Amino acid inhibition
Last Answer : c). Photosynthesis inhibition
Description : The mode of action of thiocarbonates is a). Lipid inhibitor b). Cell membrane dispruption c). Pigment inhibitor d). Shoot inhibitor
Last Answer : d). Shoot inhibitor
Description : What is the mode of action of sulfonamide herbicide a). Amino acid synthesis inhibitor b). Photosynthesis inhibitor c). Lipid inhibitor d). Pigment inhibitor
Last Answer : a). Amino acid synthesis inhibitor
Description : What is the mode of action of diclofop a). Root inhibition b). Shoot inhibition c). lipid inhibition d). Photosynthesis inhibition
Last Answer : c). lipid inhibition
Description : Which herbicide group is photosynthesis inhibitor? a). Nitriles b). Carbamate c). Dicarboxylic acid d). Dinitroanilines
Last Answer : a). Nitriles
Description : The mode of action of paraquat is a). Amino acid synthesis inhibition b). Pigment inhibition c). Cell membrane disruption d). Shoot inhibition
Last Answer : c). Cell membrane disruption
Description : Which herbicide mode of action is pigment inhibitor? a). MCPA b). Fluchloralin c). Chlomazone d). 2,4-D
Last Answer : c). Chlomazone
Description : Which herbicide’s mode of action is root growth inhibition? a). Fluchloralin b). MCPA c). Glyphosate d). Alachlor
Last Answer : d). Alachlor
Description : A lipid inhibitor a).Diclofop b). Quizalofop c). Sethoxydim d). All
Last Answer : d). All
Description : Which herbicide is amino acid synthesis inhibitor a). Glyphosate b). 2,4-D c). MCPA d).Atrazine
Last Answer : a). Glyphosate
Description : Which of the following pre-emergence her bicides can be applied with herbicides that have efficacy with emerged weeds a). Chloracitamide b). Thiocarbamates c). Dinitroanilines d). All
Description : .Sorghum is bioassay species for which group of herbicide? a). Dinitroanilines b). Dicamba c). Triazines d). a & b
Last Answer : d). a & b
Description : Herbicides which avoids photodecomposition by being rapidly absorbed a.)Dinitroanilines b).Pinoxaden c).Sethoxydim d).quizalofop-p-ethyl
Last Answer : c).Sethoxydim
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 : A systemic pesticide ? a). kills anything it touches b). root absorbed c). Root/shoot absorbed & translocative d). shoot absorbed
Last Answer : c). Root/shoot absorbed & translocative
Description : Which herbicide group inhibitor the photosynthesis reaction ? a). Thiocarbamates b). Triazines c). Cyclohexanedione d). Benzoic acid
Last Answer : b). Triazines
Description : Mode of action of isoproturon a). PSII inhibition b). ACCase inhibition c). Glutamine synthatase inhibition d). Cell division inhibition
Last Answer : a). PSII inhibition
Description : . A pigment inhibitor a). Clomazone b). Alachlor c). Trifluralin d). All
Last Answer : a). Clomazone
Description : Which herbicide is photosynthesis inhibitor ? a). Bromacil b). Glyphosate c). Paraquat d). 2,4-D
Last Answer : a). Bromacil
Description : Which herbicide group inhibit the lipid synthesis? a). Cyclohexanedione b). Acetanilides c). Uracils d). Nitriles
Last Answer : a). Cyclohexanedione
Description : Growth of the weed is reduced due to root exudates of maize a). Chenopodium album b). Amaranthus retroflexus c). Both a and b d). None of these
Last Answer : c). Both a and b
Description : A amino acid derivative a).Paraquat b). Glyphosate c). 2,4-D d). None of these
Last Answer : b). Glyphosate
Description : Herbicides inhibiting amino acid synthesis a). Imadazolinone b). Sulfonamide c). aminoacid derivatives d). all
Last Answer : d). all
Description : Amino acid synthesis inhibitors a). Sulfonyl ureas b). Amides c). Triazines d). all
Last Answer : a). Sulfonyl ureas
Description : What is the chemical name of Dicamba ? a).3-amino-2,5-dichlorobenzoic acid b). 3,6-dichloro2-metoxybenzoic acid c). 2,3,6- trichlorobenzoic acid d). None of the above
Last Answer : b). 3,6-dichloro2-metoxybenzoic acid
Description : Root exudates of wheat and oats which has detrimental effects on wild mustard con tain a). Phenolic acid b). Alkaloids c). Sulphides d). Lactones
Last Answer : a). Phenolic acid
Description : .Phenolic acid as root exudates of which crop has detrimental effects on wild mustard? a). Wheat b). Oats c). Chickpea d). a & b
Description : Growth regulating herbicides that act simi lar to that of endogenous auxin (IAA) a). Benzoic acid b). pyridine carboxylic acid c). quinoline carboxylic acid d). All
Description : Answer: a, b, c, d Free oxygen radicals are chemical species that are intermediates in the normal process of cellular respiration. Oxidants that are free radicals have been implicated as initiators of ... a. C-reactive protein b. Serum amyloid c. a -Proteinase inhibitor d. Fibrinogen e. Albumin
Last Answer : Answer: a, b, c, d The acute-phase response is a series of homeostatic responses of the organism to tissue injury in infection and inflammation. After an inflammatory stimulus occurs, a number ... 30% to 50% of the level before injury. The reason for the decrease in production is poorly understood
Description : Which phase of growth is represented by root apex & shoot apex?
Last Answer : Which phase of growth is represented by root apex & shoot apex?
Description : Tunica corpus theory is connected with (a) root apex (b) root cap (c) shoot apex (d) secondary growth.
Last Answer : (c) shoot apex
Description : The donor plants release allelochemicals in the immediate environment as a). volatiles b). root exudates c). microbial decomposition products d). All
Description : . Klamath weed (Hypericum perforatum) is controlled by an insect a). Chrysolina hyperici (Beetle) b). Chrysolina gamellata (Beetle) c). Agrilus hyperici (Root borer) d). All of these
Last Answer : d). All of these
Description : . Hydrilla verticillata is propagated by a). Root stocks b). Runners c). Turions d). Bulbils
Last Answer : c). Turions
Description : The weed propagated through rhizomes/ root stock a). Agropyron repens b). Cynodon dactylon c). Typha angustata d). All of these
Description : An alternate host of root knot nematode in vegetables a). Brassica kaber b). Cleome viscosa c). Carthamus oxyacantha d). All of these
Description : Devine produce lethal root and collar rot in a).Velvet leaf b). Joint vetch c). Strangler wine d). Dodder
Last Answer : c). Strangler wine
Description : .Strigol, a witch weed stimulant isolated from the root exudates of a). Cotton b). Sorghum c). Alfaalfa d). Cowpea
Last Answer : a). Cotton
Description : Root exudates of which crop has allelo pathic effect on Chenopodium album? a). Wheat b). Oat c). Pea d). All
Description : Deficiency of biotin results in decrease in (A) Amino acid synthesis (B) Lipid synthesis (C) Kidney (D) Fatty acid synthesis
Last Answer : Answer : D
Description : GABA(gama amino butyric acid) is (A) Post-synaptic excitatory transmitter (B) Post-synaptic inhibitor transmitter (C) activator of glia-cell function (D) inhibitor of glia-cell function
Last Answer : Answer : B
Description : The last step in synthesis of peptidoglycan is A- attachment of a peptide to muramic acid B- attaching two amino acids to form a cross-link C- attachment of a portion of peptidoglycan to a membrane lipid D- binding of penicillin to a membrane protein
Last Answer : attaching two amino acids to form a cross-link
Description : Prohexadione calcium a plant growth regu lator affect efficacy of which of the following herbicides in peanut a). acifluorfen b). bentazon c). imazethapyr d). None
Last Answer : d). None
Description : Allelo-chemicals interfere with survival and growth of a).Neighbouring plants b). succeeding plants c). The donor plants themselves d). All
Description : Which type of herbicides act as growth pro moter under sub-lethal dose a). Phenoxys b). Triazines c). Ureas and uracils d). All
Description : . October sowing of berseem/lucerne pro motes the growth of a). Amaranthus sp b). Trianthema sp c). Both a and b d). None of these
Description : .Which weed is considered as biopesti cide and severely inhibit the growth of water hyacinth? a). Parthenium b). Echinochloa c). Cuscuta d). Lantana
Last Answer : c). Cuscuta
Description : Factors affecting weed-crop interference are a). Period of weed growth b). Soil and climate influence c). Plant species effects d). All
Description : Two or more species coexist in a place due to the reason a). Different nutritional requirement b). Different causes of mortality c). Different time demand for growth factors d). All
Description : The additional cost from taking a cost of action is called a). Total cost b). Opportunity cost c). Variable cost d). Marginal cost
Last Answer : d). Marginal cost