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
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 indicator plant is used in germi nation test of bioassay? a). Cucumber b). Sorghum c). Oat d). All
Description : G-proteins: a. are activated by the binding of an extracellular ligand to a membrane receptor b. can be mutated in tumour cells c. mediate the action of glucocorticoid hormone d. they are inactivated by cholera toxins
Last Answer : are activated by the binding of an extracellular ligand to a membrane receptor
Description : An adsorbant a). Activated carbon b). lignin byproducts c). ion exchange resins d). All
Description : A post-emergence herbicide in Soy bean a). Pendimethalin 1.2 kg/ha b). Quazalofop – ethyl 60 g/ha c). Fluchloralin 0.9 kg/ha d). Thiobencarb 1.50 kg/ha
Last Answer : b). Quazalofop – ethyl 60 g/ha
Description : Herbicidal control for isoproturon resis tance Phalaris minor in wheat a). Sulfosulfuron 25 g/ha b). Clodinafop-propargyl 60 g/ha c). Penoxaden 50 g/ha d). All
Description : Amount of Topic 10% for 4000 m2 if rate of clodinafop is 60 g/ha. a). 600 g b). 480 g c). 300 g d). 240 g
Last Answer : d). 240 g
Description : Positive control of induction is best described as a control system in which an operon functions (A) Unless it is switched off by a derepressed repressor protein (B) Only after a repressor protein is ... on (D) Only after an inducer protein, which is activated by an inducer, switch it on
Last Answer : Answer : D
Description : True statements about chromosome include: a. 23 chromosomes are found in germinal cells b. in female only one chromosome is activated c. the Barr body is due to inactivated X chromosome e. all above
Last Answer : all above
Description : If the growing plant is decapitated, then (a) its growth stops (b) leaves become yellow and fall down (c) axillary buds are inactivated (d) axillary buds are activated.
Last Answer : (d) axillary buds are activated.
Description : yocardial Na+ channel blockade by lignocaine has the following characteristic: A. It blocks inactivated Na+ channels more than activated channels B. It blocks activated Na+ channels more than inactivated ... Na+ channels D. It produces more prominent blockade of atrial than ventricular Na+ channels
Last Answer : A. It blocks inactivated Na+ channels more than activated channels
Description : Below freezing point an enzyme is (a) Inactivated (b) Activated (c) Destroyed (d) Unaffected
Last Answer : (a) Inactivated
Description : Which is the contact, non-selective and zero persistent herbicide in soils? a). Paraquat b). Atrazine c). 2,4-D d). Bromacil
Last Answer : a). Paraquat
Description : performance of naphthalic anhydride against EPTC was marginal in which type of soils a).clay b). clay loam c). loamy d). sandy silt
Last Answer : d). sandy silt
Description : In soils with low fertility, the degradation of herbicides is a). Slow b). Constant c). Fast d). no effect
Last Answer : a). Slow
Description : Herbicides are more tightly bound to soils under which of the condition a). Field capacity b). Saturated c). Both a and b d). Dry
Last Answer : d). Dry
Description : The type of soils which require higher dose of herbicides to be effective is a). Inceptisols b). Histosols c). Oxisols d). Ultisols
Last Answer : b). Histosols
Description : Which of the formulations has low leach ability in soils a). EC b). WP c). Granules d). WSC
Last Answer : c). Granules
Description : Activated charcoal is employed to remove colouring matter from pure substance, it work? -Do You Know?
Last Answer : answer:
Description : 3 gram of activated charcoal was added to 50 mL of acetic acid solution (0.06N) in a flask. After an hour it was filtered and the strength of the fitr
Last Answer : 3 gram of activated charcoal was added to 50 mL of acetic acid solution (0.06N) in a flask. After an hour it was ... B. `36 mg` C. `42 mg` D. `54 mg`
Description : Methylene blue, from its aqueous solution, is adsorbed on activated charcoal at `25^(@) C`. For this process, the correct statement is
Last Answer : Methylene blue, from its aqueous solution, is adsorbed on activated charcoal at `25^(@) C` ... of temperature. D. The adsorption is irreversible.
Description : Activated Charcoal is used to remove colouring matter from pure substances by – (1) Bleaching (2) Oxidation (3) Adsorption (4) Reduction
Last Answer : (3) Adsorption Explanation: Heating wood to a very high temperature in the absence of air makes charcoal. When it is heated to an even higher temperature, about 930°C, impurities are driven from its ... . It does so by the process of adsorption, or by attracting these molecules to the surface.
Description : Which of the following acts as best adsorbent? (1) Charcoal (2) Activated Charcoal (3) Activated Coconut Charcoal (4) Carbon black
Last Answer : (3) Activated Coconut Charcoal Explanation: Activated coconut charcoal is a highly absorbent material with millions of tiny pores that can capture, bind, and remove unwanted materials. The porous surface has a ... out of the body. It is used medicinally as well as in air and water purifiers.
Description : Activated charcoal is employed to remove colouring matter from pure substance, it work?
Last Answer : Adsorption
Description : Which of the following adsorbent is used in the refining of sugar? (A) Bone charcoal (B) Wood charcoal (C) Silica gel (D) Activated clay
Last Answer : (A) Bone charcoal
Description : Out of CO and NH3 which is adsorbed on activated charcoal to a large extent and why ?
Last Answer : Ans. Ammonia; because more easily liquefiable gas undergoes adsorption to a greater extent.
Description : Induction of vomiting is indicated for the accidental poisoning patient who has ingested a) aspirin. Overdose of aspirin should be treated with emesis or lavage, followed by ingestion of ... d) toilet bowl cleaner. Toilet bowl cleaners are corrosive, and induced vomiting is contraindicated.
Last Answer : a) aspirin. Overdose of aspirin should be treated with emesis or lavage, followed by ingestion of activated charcoal to absorb the aspirin.
Description : A 92-year-old woman is an inpatient in the geriatric unit. She has multivascular dementia. She is more confused and agitated. She has been given lorazepam 4 mg intramuscularly. She is now unconscious ... A. Activated charcoal B. Flumazenil C. N-acetyl cysteine D. Naloxone E. Protamine sulphate
Last Answer : B. Flumazenil
Description : Charcoal is 'activated' by: w) heating it in the absence of air x) heating it in steam y) destructive distillation z) absorption
Last Answer : ANSWER: X -- HEATING IT IN STEAM
Last Answer : Activated Coconut Charcoal
Description : Activated Charcoal is used to remove colouring matter from pure substances by (1) Bleaching (2) Oxidation (3) Adsorption (4) Reduction
Description : Oxadiazon has a half life of 60 days, so after 120 days the concentration will be a). ½ b). ¼ c). 1/3 d). 1/5
Last Answer : b). ¼
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 : Sugarcane takes about how much time to complete its germination phase a).10 days b).15 days c). One month d). 60 days
Last Answer : c). One month
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 : est weight (g) of Phalaris minor is a). 2 b). 10 c). 15 d). 20
Last Answer : a). 2
Description : est weight of barnyard grass seeds is about _____ g a). 20 b). 10 c). 1.4 d). 15
Last Answer : c). 1.4
Description : Weed control index if weed dry weight of a treatment is 200 g/m2 and that of weed check was 600 g/m2 a). 33.3% b). 66.7% c). 25% d). None of these
Last Answer : b). 66.7%
Description : A broad-leaf herbicide in wheat a). Carfentrazone – ethyl 20 g/ha b). Metsulfuron – methyl 4 g/ha c). 2,4-D 500 g/ha d). All
Description : What are the units of LD50? a). mg/kg body weight b). g/g body weight c). kg/g of body weight d). mg/g body weight
Last Answer : a). mg/kg body weight
Description : Which of the following herbicides will be tightly bound to the soil? a). Trifluralin KOC(mL/g)= 7000 b). Paraquat KOC(mL/g)= 10,00,000 c). Glyphosate KOC(mL/g)= 24,000 d). Alachlor KOC(mL/g)= 124
Last Answer : b). Paraquat KOC(mL/g)= 10,00,000
Description : Test weight of Phalaris minor is a).10 g b).15 g c). 7g d). 2 g
Last Answer : d). 2 g
Description : Alachlor is an effective pre-emergence her bicide in ______ a). Maize b). Soybean c). Both d). None
Last Answer : c). Both
Description : . Which are required during trialling to ensure that the effectiveness of the her bicide is tested against all pests a). Plant pathologists b). Entomologists c). Both Plant pathologists and Ento mologists d). None
Last Answer : c). Both Plant pathologists and Ento mologists
Description : Which of the following is a indicator plant for the bioassay of Atrazine?
Last Answer : Ans.Soybean
Description : The Avena curvature is used for bioassay of (a) IAA (b) ethylene (c) ABA (d) GA3.
Last Answer : (a) IAA
Description : Net returns a). Gross return – Fixed cost – Variable cost b). Gross return – Variable cost c). Gross return – Fixed cost d). Gross return – Total cost i) a & b, ii) a & c, iii) a & d, iv) b & d
Last Answer : iii) a & d
Description : The successful development of which bioherbicide led to the discovery of Bio mal? a). Devine b). Collego c). Biosedge d). a & b
Last Answer : b). Collego
Description : Classical strategy of biological ap proach involves a). Biocontrol agent b). Bioherbicides c). Bio assay d). a & b
Last Answer : a). Biocontrol agent