Description : Physical removal/loss of herbicides a). Adsorption b). Hydrolysis c). Deamination d). Dealkylation
Last Answer : a). Adsorption
Description : Naphthalic anhydride represented a major pathway of its degradation in soil through a). hydrolysis b). dealkylation c). oxidation d).decarboxylation
Last Answer : d).decarboxylation
Description : Amino acid synthesis inhibitors a). Sulfonyl ureas b). Amides c). Triazines d). all
Last Answer : a). Sulfonyl ureas
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 : Which type of herbicides act as growth pro moter under sub-lethal dose a). Phenoxys b). Triazines c). Ureas and uracils d). All
Last Answer : 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 : .Which crop is an indicator plant for the bio assay of Triazines and Aliphatics? a). Sugarbeet b). Sorghum c). Cotton d). Mustard
Last Answer : a). Sugarbeet
Description : Triallate herbicide belong to which group? a). Triazines b). Benzoic c).Thiocarbomates d). Uracils
Last Answer : c).Thiocarbomates
Description : Which herbicide group inhibitor the photosynthesis reaction ? a). Thiocarbamates b). Triazines c). Cyclohexanedione d). Benzoic acid
Last Answer : b). Triazines
Description : The major carbon compound formed from the incomplete combustion of a hydrocarbon in air is (a) carbon dioxide (b) carbon monoxide (c) water (d) alkyl chains
Last Answer : carbon monoxide
Description : A degradative process in herbicide removal from a site a).leaching b).photo-decomposition c).volatilization d).adsorption
Last Answer : b).photo-decomposition
Description : A transport process in herbicide removal a).volatilization b).photo-decomposition c).chemical decomposition d).microbial degradation
Last Answer : a).volatilization
Description : Biological control component is central to advanced agricultural production. Which of the following is used as a third generation pesticide? (a) Insect repellants (b) Organophosphate and carbamates (c) Pathogens (d) Pheromones
Last Answer : (d) Pheromones
Description : Percent reduction in yield in case of onion due to weeds is a). 20-30 b). 30-35 c). 60-70 d).15-20
Last Answer : c). 60-70
Description : In case of combined application of herbicides, application rate can be reduced in which of the following interaction a). Antagonistic b). Synergistic c). Additive d). None
Last Answer : b). Synergistic
Description : Hydroxylation is common among a). Phenoxys b). Benzoics c). Substituted ureas d). All
Description : Decarboxylation is most common in a). Phenoxy’s b). Benzoics c). Substituted ureas d). All
Description : Dehalogenation is the most common inacti vation reaction in which of the following a).Simazine b). Glyphosate c). Pendimethalin d). Bispyribac
Last Answer : a).Simazine
Description : The most common mechanism of herbicide resistance is a). Enhanced metabolism b). Altered target site c). Sequestration d). All
Last Answer : b). Altered target site
Description : The most common species of Typha is In dia is a). T. angustata b). T. latifolia c). T. elephantina d). All
Last Answer : a). T. angustata
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
Last Answer : d). Both a and b
Description : . Common weed in pasture land a). Tephrosia procumbens b). Boerhaavia diffusa c). Both a and b d). None of these
Last Answer : c). Both a and b
Description : Weed responsible for dermal allergies on human is a). Carrot grass b). Common rag weed c). Sneeze weed d). All of these
Last Answer : d). All of these
Description : . A common weed of lowland rice a). Phalaris minor b). Avena fatua c). Monochoria vginalis d). Lolium temulentum
Last Answer : c). Monochoria vginalis
Description : The most common weed in wheat a). Avena ludoviciana b). Echinochloa colona c). Panicum dichotomiflorum d). Eleusine indica
Last Answer : a). Avena ludoviciana
Description : Study the following statements regarding food chains and select the correct ones. (i) Removal of 80% tigers from an area resulted in greatly increased
Last Answer : Study the following statements regarding food chains and select the correct ones. (i) Removal of 80% tigers from an area ... . a, b C. b, c D. c, d
Description : Consider the following statements concerning food chains. A. Removal of 80% tigers from an area resulted in greatly increased growth of vegetation. B. Removal of most of the carnivores resulted in an increased population of deers. C. ... are correct? (a) A, D (b) A, B (c) B, C (d) C, D
Last Answer : (c) B, C
Description : Which of the following is not a ground for suspension or removal of members of BOA? a. Negligence in the performance of duties, or lack of professional competence. b. Intolerance of ... . Final judgment of crimes involving moral turpitude. d. Rigging of the CPA licensure examination results.
Last Answer : Intolerance of violations of the Philippine Accountancy Act.
Description : Urea derivative triazines are used as
Last Answer : Urea derivative triazines are used as A. Insecticides B. Herbicides C. Nematocides D. Rodenticides
Description : Which of the following is not an insecticide? a. Parathion b. Aldrin c. Triazines d. Baygon
Last Answer : c. Triazines
Description : The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent. (A) Cationic (B) Anionic (C) Amphoteric (D) Semi polar
Last Answer : (B) Anionic
Description : In a 100 quadrat study of 1 sqm each Cyperus rotundus was found in 80 quadrats with overall of 5640 individuals. The frequency (%), abun dance and density (m2) would be a). 70.5, 80.0 and 56.4 b). 56.4, 70.5 and 80.0 c). 80.0, 70.5 and 56.4 d). 80.0, 56.4 and 70.5
Last Answer : c). 80.0, 70.5 and 56.4
Description : If Echinochloa falls in frequency class ‘E’, the weed community is said to be a). Contiguous b). Heterogenous c). Homogenous d). Random
Last Answer : c). Homogenous
Description : Out of 50 quadrats studied, if Echinochloa is found in 26 quadrats, its frequency of occurrence would be a). 13% b). 26% c). 52% d). 68%
Last Answer : c). 52%
Description : If weed population is 70/m2 and the crop 140/ m2, weed intensity would be a). 33.3% b). 66.6% c). 50% d). 73.4%
Last Answer : a). 33.3%
Description : If the count of Echinochloa in weedy check is 70 and that in a treatment 25/m2, weed control efficiency will be a). 54.3% b). 64.3% c). 73.4% d). 79.6%
Last Answer : b). 64.3%
Description : If the yield from weed free is 3500 kg and that from weedy 1500 kg/ha, weed index would be a). 57.1% b). 133.3% c). 45.0% d). 25.6%
Last Answer : a). 57.1%
Description : If the gross returns from an enterprise are INR 30000 and the net returns INR 20000, the benefit cost ratio based on net gain would be a). 3.0 b). 2.0 c). 1.0 d). 1.5
Last Answer : b). 2.0
Description : The cost of any activity measured in terms of the value of the next best alternative forgone a). Economic cost b). Variable cost c). Opportunity cost d). Marginal cost
Last Answer : c). Opportunity cost
Description : A cost independent of the quantity of goods and services produced a). Variable cost b). Fixed cost c). Opportunity cost d). Marginal cos
Last Answer : b). Fixed cost
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
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 : Economic cost is the sum of________ a). Variable and fixed costs b). Variable, fixed and opportunity costs c). Fixed and opportunity costs d). Variable, fixed and marginal costs
Last Answer : b). Variable, fixed and opportunity costs
Description : . A ceremonial weed a). Cynodon dactylon b). Datura stramonium c). Tagetus sp d). All of these
Description : A ceremonial weed a). Asparagus racemosus (Shatawari) b). Cynodon dactylon (Dhoob ghaas) c). Nelumbo nucifera (Lotus flower) d). All of these
Description : A ceremonial weed a). Asparagus racemosus (Shatawari) b). Cynodon dactylon (Dhoob ghaas) c). Both a and b d). Digitaria sanguinalis
Description : To manage grassy weed flora in barley which of the herbicides is to be applied a). Pendimethalin b). Isoproturon c). a and b d). Metsulfuron
Last Answer : c). a and b
Description : Which of the herbicides can be used in gram crop? a). Pendimethalin b). Metolachlor c). Fluchloralin d). All
Description : To manage mixed weed flora in barley which of the herbicides is to be applied a).2,4-D b). Isoproturon c). a and b as tank mix d). None of these
Last Answer : c). a and b as tank mix
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