Description : Ground Water Contamination Potential (GWCP) is determined by a). PLP b). SLP c). both a and b d). KOC
Last Answer : c). both a and b
Description : Processes that break down the herbicides after application includes............................ a). Photo and microbial degradation b). adsorption and uptake c). leaching and runoff d). volatilization and run off
Last Answer : a). Photo and microbial degradation
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 : The potential of a pesticide for causing damage to plants is its: a). phytotoxicity b). lethal dose c). defoliation ability d). chronicity
Last Answer : a). phytotoxicity
Description : The greatest factor affecting herbicide adsorption is a). pH b). Salt c). SOM d). Soil nutrient
Last Answer : c). SOM
Description : The process by which a molecule is discovered, developed and formulated into a pesticide product is a). Tenuous and risky b). Mimic c). Both d). None
Last Answer : a). Tenuous and risky
Description : An additive that makes pesticide formulation mix with water is called: a). safener b). A mixer c). an adjuvant d). a pellet
Last Answer : c). an adjuvant
Description : How many types of research is used to discover new compound for new pesticide a).Four b).Two c).One d).Three
Last Answer : d).Three
Description : What is the information put on the label of a pesticide container a). company name and address b). directions for use c). storage and limitations of product d). all
Last Answer : d). all
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 : 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 : Herbicide leaching is prominent in a). Sandy b). Sandy loam c). Clay loam d). loam
Last Answer : a). Sandy
Description : Physical removal/loss of herbicides a). Adsorption b). Hydrolysis c). Deamination d). Dealkylation
Last Answer : a). Adsorption
Description : Ion exchange process is similar to (A) Absorption (B) Adsorption (C) Extraction (D) Leaching
Last Answer : (B) Adsorption
Description : Langmuir equation is associated with (A) Leaching (B) Adsorption (C) Steam distillation (D) Multi-component absorption
Description : Pick out the wrong statement regarding the solubility characteristics of high polymers. (A) Greater the degree of cross-linking in the polymer, lesser is its solubility (B) Polymers having more ... of the solvent (D) High molecular weight polymers on dissolving gives solution of very low viscosity
Last Answer : (D) High molecular weight polymers on dissolving gives solution of very low viscosity
Description : Herbicide emulsion is based on a). Oil in water b). Water in oil c). Oil in water in oil d). All
Last Answer : d). All
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 : Which is the ‘odd one’ based on mimicry a). Wild rice in rice b). Wild sorghum in sorghum c). Wild sugarcane in sugarcane d). Itch grass in upland rice
Last Answer : d). Itch grass in upland rice
Description : In the genetic disorder of cystinuria, the patient excretes large quantities of cystine in their urine and its low solubility causes crystalline cystine to precipitate as stones in kidneys. The remedy ... C) NaHCO3 prevents stone formation by hydrolysis of cystine to cysteine (D) None of these
Last Answer : Answer : C
Description : The following attribute of a drug tends to reduce its volume of distribution: A. High lipid solubility B. Low ionisation at physiological pH values C. High plasma protein binding D. High tissue binding
Last Answer : C. High plasma protein binding
Description : The most important factor which governs diffusion of drugs across capillaries other than those in the brain is: A. Blood flow through the capillary B. Lipid solubility of the drug C. pKa value of the drug D. pH of the medium
Last Answer : A. Blood flow through the capillary
Description : The pH at which the amino acid shows no tendency to migrate when placed in an electric field is known as its : (a) Isoelectric point (b) Dipole moment (c) Iodine number (d) Wavelength
Last Answer : Isoelectric point
Description : For a substance, density, solubility and melting point are examples of: w) physical properties x) amorphous properties y) chemical properties z) potential properties
Last Answer : ANSWER: W -- PHYSICAL PROPERTIES
Description : From site of uptake to site of action, fluazi fop-butyl move in a). water conducting stream b). sap conducting stream c). Both d). None
Last Answer : c). Both
Description : A weed brought as ornamental a). Water hyacinth b). Lantana c). Both a and b d). None of these
Last Answer : c). Both a and b
Description : A ceremonial weed a). Asparagus racemosus (Shatawari) b). Cynodon dactylon (Dhoob ghaas) c). Both a and b d). Digitaria sanguinalis
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 : The ecological phenomenon of plant-plant interference a). Competition b). Allelopathy c). Both d). None
Description : Herbicides disrupting cell membranes a). Bipyridilliums b). diphenylethers c). Both d). Ureas
Description : In India, Striga is a problem of a). Sorghum b). Pearlmillet c). Both d). None
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 : Alachlor is an effective pre-emergence her bicide in ______ a). Maize b). Soybean c). Both d). None
Description : Which of the weeds are rapidly controlled by MCPA than 2,4-D a). Nutsedge b). Canada thistle c). Both d). None
Description : Application of organophosphorus group of pesticides along with which herbicides cause injury to crops a). Triazines b). Ureas c). Both d). None
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 : Which altra low volume sprayer is used for controlled droplet application a). Herbi sprayer b). Micron herbi sprayer c). Both a and b d). None of these
Description : Herbicides of which group are generally incorporated in soil? a). Carbamate b). Dinitroaniline c). Triazine d). Both a and b
Description : MCPA was developed during 1945 in Eng land by a). W.G. Templeman b). W.A. Sexton c). Both of them d). None of these
Last Answer : c). Both of them
Description : 2,4-D was developed during 1945 in USA by a). P.W. Zimmerman b). A.E. Hitchkock c). Both a and b d). None of these
Description : 4. Reverse metabolism induce the suscepti bility to weeds by a). 2,4-D b). MCPA c). Both a and b d). None 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
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
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 : . In which herbicide, micro-capsulation for mula is commercially available a). Alachlor b). Metachlor c). Both a and b d). Atrazine
Description : . Commonly used post-emergence herbicide in wheat a). 2,4-D b). Isoproturon c). Atrazine d). Both a and b