Description : A selectivity achieved due to manipulation of time of application is called a).Biochemical b). Chronological c). Chemical d). Physical
Last Answer : b). Chronological
Description : The _____________ selectivity is an ex ample of true selectivity a). Chronological b). Biochemical c). Chemical d). None
Last Answer : b). Biochemical
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
Last Answer : c). Both a and b
Description : Foundation for phenomenal achievement in modern chemical weed management a). Safeners b). Adjuvants c). Selectivity d). Herbicide combinations e). None
Last Answer : c). Selectivity
Description : The environment friendly weed control method a). Biological b). Physical c). Chemical d). None
Last Answer : a). Biological
Description : . Which of the following physiological proc ess influence the herbicide selectivity? a). Absorption and translocation b). Deactivation c). Phytotoxicity d). All of these
Last Answer : d). All of these
Description : Direct contact herbicide application can be achieved by a). Re-circulating sprayer b). Weed wick wiper c). Roller applicator d). All
Last Answer : d). All
Description : The authority associated with the first genetically modified plants the soybean resistant to glyphosate from Monsanto which achieved widespread success was a.) Rachel Carson (May 27, 1907 - April 14, 1964) b). ... Fraley (birthdate: 1953) d). Norman Borlaug (March 25, 1914 - September 12, 2009)
Last Answer : c). Robert Fraley (birthdate: 1953)
Description : The first genetically modified plants from Monsanto resistant to glyphosate which achieved widespread success were a). Maize b). Canola c). Cotton d). Soybeans
Last Answer : d). Soybeans
Description : The effective control of morphological similar Phalaris minor in wheat is achieved with a). 2,4-D b). Glyphosate c). Metsulfuron - methyl d). Isoproturon
Last Answer : d). Isoproturon
Description : The major means for herbicide dissipation is which type of following degradation a). Microbial b). Chemical c). photo d). Physical
Last Answer : a). Microbial
Description : .In functional allelopathy a). Toxic substances are released as such from the plants b). A precursor is released and is converted into active substances by some microorganisms c). No release of any toxic substance d). release of nitrogen from nodule of legume takes place
Last Answer : b). A precursor is released and is converted into active substances by some microorganisms
Description : Biological weed control is not successful because a). Not possible to eradicate weed b). Bioagents are weed specific c). Controlled only introduced weeds d). All of these
Description : Classical strategy of biological ap proach involves a). Biocontrol agent b). Bioherbicides c). Bio assay d). a & b
Last Answer : a). Biocontrol agent
Description : In a broadcast communication receiver, most of the receiver selectivity is achieved in: (1) RF section (2) IF section (3) Mixer (4) Local oscillator
Last Answer : In a broadcast communication receiver, most of the receiver selectivity is achieved in: RF section
Description : Ageism refers to a) Bias against older people based solely on chronological age Individuals demonstrating ageism base their beliefs and attitudes about older people based upon chronological age without consideration ... refers to the age-related loss of memory in the absence of a pathologic process.
Last Answer : a) Bias against older people based solely on chronological age Individuals demonstrating ageism base their beliefs and attitudes about older people based upon chronological age without consideration of functional capacity.
Description : Niche is (a) all the biological factors in the organism’s environment (b) the physical space where an organism lives (c) the range of temperature that the organism needs to live (d) the functional role played by the organism where it lives.
Last Answer : (d) the functional role played by the organism where it lives.
Description : Niche is (1) all the biological factors in the organism environment (2) the physical space where an organism live (3) the range of temperature that the organism needs to live (4) the functional role played by the organism where it lives
Last Answer : (4) the functional role played by the organism where it lives
Description : Marginal cost is defined as____ a). Cost that arises when the quantity produced changes by one unit b). Cost of producing one more unit of a good c). Increase in cost that accompanies a unit in crease in output d). All the above
Last Answer : d). All the above
Description : Spatial variation in horizontal and vertical directions is caused due to: (A) Physical weathering of rocks (B) Chemical weathering of rocks (C) Biological weathering of rocks (D) All of these
Last Answer : Answer: Option D
Description : Constant physical agitation of the spray liquid during field operations can be minimised by adding a). Emulsifiers b). Coupling agents c). Surfactants d). Humicants
Last Answer : a). Emulsifiers
Description : Physical removal/loss of herbicides a). Adsorption b). Hydrolysis c). Deamination d). Dealkylation
Last Answer : a). Adsorption
Description : Commonly used chemical fertilizer to con trol submerged weeds and water bloom non -selectively a). Anhydrous ammonia b). Ammonium sulphate c). Ammonium nitrate d). Urea
Last Answer : d). Urea
Description : Ammonium nitrate acts as chemical stimu lant to control a). Wild oats b). Eleusine indica c). Echinochloa colona d). All of these
Description : Chemical control of Parthenium hys terophorus a). Metsulfuron methyl b). Metribuzin c). Atrazine d). All
Description : Mimic type of research, Reseacher looks for a). Studies the way natural products work & then tries to make mole cules that act similarly b). New chemical enties c). None of the above d). Loopholes in patents
Last Answer : a). Studies the way natural products work & then tries to make mole cules that act similarly
Description : Metto type of research, Reseacher looks for a). Loopholes in patents b). Studies the way natural products work & then tries to make molecules that act similarly c). None of the above d). New chemical entities
Last Answer : a). Loopholes in patents
Description : In empirical type of research, Re seacher looks for a).New chemical entities b).Loopholes in patents c).Studies the ways natural products work & then tries to make molecules that act similarly d).None
Last Answer : a).New chemical entities
Description : A transport process in herbicide removal a).volatilization b).photo-decomposition c).chemical decomposition d).microbial degradation
Last Answer : a).volatilization
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 : What is the chemical name of MCPA ? a).2-(4-chloro-2 methylphenoxy acid b). 4-(4 chloro-2 methylphenoxy acid c). 4- chloro-2 –methylphenoxy acid d). 2,4-dichlorophenoxy acid
Last Answer : Deep germinating weed seeds are at depth of
Description : Application of organophosphorus group of pesticides along with which herbicides cause injury to crops a). Triazines b). Ureas c). Both d). None
Last Answer : c). Both
Description : Herbicides of which group are generally incorporated in soil? a). Carbamate b). Dinitroaniline c). Triazine d). Both a and b
Last Answer : d). Both a and b
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 : .Which group of allelochemicals con tains Quinones and Coumarines? a). Flavinoids b). Cinnamic acid derivatives c). Tannins d). None
Last Answer : b). Cinnamic acid derivatives
Description : Paraquat herbicide belong to which group a). Bipyridylium b). Benzoic c). Carboxalic d). Uraciles
Last Answer : a). Bipyridylium
Description : Triallate herbicide belong to which group? a). Triazines b). Benzoic c).Thiocarbomates d). Uracils
Last Answer : c).Thiocarbomates
Description : Metsulfron herbicide belong to which group a). Sulfonylureos b). Pyridines c). Benzoic d). Carboxalic group
Last Answer : a). Sulfonylureos
Description : Which herbicide belong to pyridines group ? a). Picoloram b). Dicamba c). Chloramben d). Imazethapyn
Last Answer : a). Picoloram
Description : Which herbicide group is photosynthesis inhibitor? a). Nitriles b). Carbamate c). Dicarboxylic acid d). Dinitroanilines
Last Answer : a). Nitriles
Description : Which herbicide not belong to triazine group a).Atrazine b).Metribuzin c).Bentazon d).Ametryn
Last Answer : c).Bentazon
Description : Which herbicide group inhibit the lipid synthesis? a). Cyclohexanedione b). Acetanilides c). Uracils d). Nitriles
Last Answer : a). Cyclohexanedione
Description : Which herbicide group inhibitor the photosynthesis reaction ? a). Thiocarbamates b). Triazines c). Cyclohexanedione d). Benzoic acid
Last Answer : b). Triazines
Description : A striking feature of living cells is a marked difference between the composition of the cytosol and the extracellular milieu. Which of the following statement(s) concerning the mechanisms of maintenance ... d. The selectivity of cell membranes relates only to ions and not organic compounds
Last Answer : Answer: a The survival of the cell requires that cytosolic composition be maintained within narrow limits, despite the constant influx of nutrients and the simultaneous outflow of waste. A ... be altered drastically as a result of regulatory or signaling processes that occur within the cell
Description : Tolerance of the rice plants to molinate is due to a).Reverse metabolism b). Protoplasmic resistance c). Conjugation d). Slow translocation
Last Answer : b). Protoplasmic resistance
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
Description : Which weed induces asthama in humans due to pollen spread? a). Ambrosia artemissifolia b). Franseria sp c). Both a and b d). None of these
Description : Cross resistance occurs due to a). genetic trait b). Plant height c). Roots d). Environmental factors
Last Answer : a). genetic trait
Description : There is a greater risk of damage of herbicide in protected environments due to a). absorption b). leaching c). runoff d). volatilization
Last Answer : d). volatilization
Description : Montmorillonite clays adsorb more herbicide as compared to other clays due to a). Expanding lattices b). more surface area c). More negatively charged sites d). All