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 : Selectivity achieved due to changes in functional group is called a). Physical b). Biological c). Chemical d). Chronological
Last Answer : d). Chronological
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 : . 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 : . 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 : Which of the following is an ex-ample for cantilever beam? (1) Diving board (2) Bridge (3) See-saw (4) Common balance
Last Answer : (2) Bridge Explanation: A cantilever is a beam anchored at only one end. The beam carries the load to the support where it is resisted by moment and shear stress. Cantilever ... with loads applied between the supports. Cantilevers are widely found in construction, notably in cantilever bridges.
Description : Water drop sticks on glass surface is an ex- ample of ....force?
Last Answer : Adhesion
Description : .Which among the following crops ex hibits allo-allelopathy? a).Maize b). Sorghum c). Rye d). All
Last Answer : d). All
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 : 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 : 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 : The environment friendly weed control method a). Biological b). Physical c). Chemical d). None
Last Answer : a). Biological
Description : If you would be given an ample amount of money, what kind of business would you choose?
Last Answer : I’d love to own a small movie house that shows nothing but films mainly from the ‘30s and ‘40s.
Description : Is it possible that an area or region may have ample water resources but is still facing water scarcity ? -SST 10th
Last Answer : Yes it is possible that an area or region may have ample water resources but is still facing water scarcity. Most of our cities are facing this proble. (i) In most of ... increasing population, industries and vehicles has made matter worse by exerting pressure on existing freshwater resources.
Description : An area or region may have ample water resources but still face water scarcity. -SST 10th
Last Answer : (i) Water scarcity in most of the cities are an outcome of dense and growing population. The multiplying urban centres and urban lifestyles of the huge population have not only added to ... industries, use of pesticides and chemical fertilisers in agriculture and due to dumping of domestic wastes.
Description : How ample will it cost to have my colleague's marriage catered?
Last Answer : he will have to pay it by installments
Description : What is Ample ?
Last Answer : Ample means enough.
Description : Despite being a farmer, Lencho had an advantage over others- What was it? (a) He had ample wealth. (b) He was in possession of a large field. (c) He could read and write. (d) He had many rich friends.
Last Answer : (c) He could read and write.
Description : How best would you describe the financial position of the company, at the beginning of the simulation when control of the company is handed over to you? a. Of moderate excellence b. Close ... d. Heavily indebted but not close to bankruptcy e. Bad but with ample opportunity for improvemen
Last Answer : a. Of moderate excellence
Last Answer : Large force in the CGS system
Description : The BACKTRACKING-SEARCH algorithm in Figure 5.3 has a very simple policy for what to do when a branch of the search fails: back up to the preceding variable and try a different value for it. This is ... also possible to go all the way to set of variable that caused failure. a) True b) False
Last Answer : a) True
Description : PH is the negative logarithm of the hydrogen Ion Concentration express4ed in moles/liter of aqueous solution. PH of buffer solution is calculated by. Henderson's equation Name the best ... Chemical kinetics deals with study of. Rates and mechanisms of chemical and Biochemical reactions
Last Answer : What does Thermodynamics helps in predicting ?
Description : Water is a universal solvent for what reactions? A. Physical B. Nuclear C. Chemical D. Biochemical
Last Answer : ANSWER: D
Description : (2) amount of oxygen used for biochemical oxidation Explanation: Biochemical oxygen demand or B.O.D. is the amount of dissolved oxygen needed by aerobic biological organisms in a body of water to ... quantitative test, although it is widely used as an indication of the organic quality of water.
Last Answer : The addition of gypsum to port-land cement helps in : (1) increasing the strength of cement (2) rapid setting of cement (3) preventing rapid setting of cement (4) reduction in the cost of cement
Description : Water is a universal solvent for what reactions? A. Chemical B. Biochemical (Answer) C. Physical
Last Answer : B. Biochemical (Answer)
Description : Enzymes are organic catalysts used in the __________ reactions. (A) Chemical (B) Biochemical (C) Photochemical (D) Electrochemical
Last Answer : (B) Biochemical
Description : Metabolism is carried out by a large class of proteins that decrease the activation energy required for chemical reactions inside a cell. Therefore they only facilitate reactions that would naturally occur at a much slower rate. What is the name of these proteins that speed up biochemical reactions?
Last Answer : Enzymes
Description : There are two properties of the cell necessary to maintain nonequilibrium cellular composition; the first is selectivity and the second is energy conversion. Which of the following statement(s ... transported via secondary active transport include hydrogen ions, calcium, amino acids and glucose
Last Answer : Answer: c, d The selectivity of the plasma membrane, although impressive, cannot account for the nonequilibrium composition of living cells. A cell can be maintained in a nonequilibrium state only by ... to drive the transport of a second species such as protons, calcium, amino acids, or glucose
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 : 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