Description : Successful weed management is based on a). Knowledge on weed biology b). Survey on the nature of weed problem c). Whole farm planning d). Removal of weeds before flowering i. a & b ii. b & d iii. c & d iv. All
Last Answer : v. All
Description : A system approach based on whole land use planning a). Weed eradication b). Weed control c). Weed prevention d). None
Last Answer : d). None
Description : Post-plant tillage helps in a). Mixing of manures b). Control of weeds c). Soil and water conservation d). None e). All
Last Answer : e). All
Description : Flooding – a worldwide crop husbandry method of controlling weeds in a). Maize b). Sugarcane c). Buckwheat d). Rice e).None
Last Answer : d). Rice
Description : Dredging is most effective treatment for controlling a). Parasitic weeds b). Lantana c). Agrestals d). Aquatic weeds
Last Answer : d). Aquatic weeds
Description : Dryland weeds usually have a). deep root b). hairyness c). Mucilaginous stem d). all
Last Answer : d). all
Description : The most systematic method for classifying weeds is based on a). Morphology b). Life history c). Habitat d). Phylogenetic
Last Answer : d). Phylogenetic
Description : The first prominent instance of biochemical mimicry based crop associated weed under Indian perspective is a). Saccharum spontaneous in sugarcane b). Phalaris minor in wheat c). Wild rice (Oryza longistaninata) in rice d). Itch grass (Rottboellea cochinchinensis) in upland rice
Last Answer : b). Phalaris minor in wheat
Description : A farming practice influencing weed floristic diversity a). Fertility manipulation b). Crop rotation c). Intercropping d). All e). None
Last Answer : d). All
Description : Besides providing N Azolla is used for weed control in a). Wheat b). Rice c). Castor d). Linseed
Last Answer : b). Rice
Description : Eradication is possible in following weed situations a). Ageratum conyzoides b). Phalaris minor c). Parthenium hysterophorus d). Lantana
Last Answer : d). Lantana
Description : Weed control aims to putting down weed infestation a). Already present b). a + future infestations c). b + introduction from the adjacent fields d). Combining the available techniques in the optimum level
Last Answer : a). Already present
Description : A weed poisonous to animals and human beings a). Datura metal b). Ammannia baccifera c). Chenopodium d). Urtica sp
Last Answer : a). Datura metal
Description : A weed with a funnel shaped corolla a). Medicago denticulata b). Vicia sativa c). Convolvulus arvensis d). Scirpus sp
Last Answer : c). Convolvulus arvensis
Description : A weed having spines as adaptations that repel grazing a). Solanum nigrum b). Solanum xanthocarpus c). Parthenium d). Ageratum
Last Answer : b). Solanum xanthocarpus
Description : A weed with a balloon structure for effective dissemination a). Physalis minima b). Avena fatua c). Phalaris minor d). Amaranthus viridis
Last Answer : a). Physalis minima
Description : A weed with a trailing stem a).Convolvulus arvensis b). Digitaria sanguinalis c). Cuscuta sp d). Cynodon sp
Last Answer : a).Convolvulus arvensis
Description : Inter-culture with bullocks in standing water a). Rice b). Sorghum c). Pearlmillet d). all
Last Answer : a). Rice
Description : The ‘condition influences’ directly plant ability in exploring resources a). Soil density b). Soil CO2 c). Soil N d). Soil water
Last Answer : a). Soil density
Description : Cultivation of water chestnut (Trapa bispinosa) is abandoned in India due to a). Lantana camara b). Eichhornia c). Mikania micrantha d). Acacia mearnssi
Last Answer : b). Eichhornia
Description : The herbicidal activity of 2,4-D at the first time was reported by a). Hammer and Tukey (1944) b). Zimmernam and Hitchcock (1942) c). Nutman and Blackman (1945) d). None
Last Answer : b). Zimmernam and Hitchcock (1942)
Description : The first chemical shown to have herbicidal activity a). 2,4-D b). Bordeux mixture c). Paraquat d). 2,4- DB
Last Answer : b). Bordeux mixture
Description : Practices using direct radiant energy of the sun a). Soil solarization b). Micro-waves c). Flaming d). All
Last Answer : a). Soil solarization
Description : A companion crop a). Hairy vetch b). Winter rye c). Cowpea d). All
Description : Bioagent for controlling Parthenium hysterophorus a). Bactra verutana b). Zygogramma bicolorata c). Chrysolira d). Flea beetle
Last Answer : b). Zygogramma bicolorata
Description : Flooding is an effective strategy to control a). Avena ludoviciana b). Sorghum halepense c). Cynodon dactylon d). All e). None
Last Answer : a). Avena ludoviciana
Description : Spudding involving hand weeding/ hoeing added by a sharp edged sickle is most common in a). Wheat b). Sugarcane c). Sesame d). Rice
Description : Azolla pinnata is a). a fern b). an algae c). a gymnosperm d). an angiosperm
Last Answer : a). a fern
Description : Man associated with ‘Horse Hoeing Husbandry’ a). Zimdahl Robert L. b). Molish c). Jethro Tull d). Aspinall and Milthorpe
Last Answer : c). Jethro Tull
Description : The natural product explored as commercial herbicide a). glufosinate b). dicamba c). cinmethylin d). all
Description : Hans Molish is associated with a). Competition b). Eutrophication c). Allelomediation d). Allelopathy
Last Answer : d). Allelopathy
Description : A lowland rice sedge a). Cyperus iria b). Cyperus difformis c). Cyperus esculentus d). All
Description : A sedge with rhizomes a). Commelina obliqua b). Cyperus rotundus c). Scirpus sp d). Eleocharis
Last Answer : b). Cyperus rotundus
Description : The partial root parasite a). Cuscuta b). Loranthus c). Striga d). Orobanche
Last Answer : c). Striga
Description : Eichhornia crassips is a representative of a). Free floating b). Rooted floating c). Rooted submerged d). Emergent
Last Answer : a). Free floating
Description : Which of the following causes itching and inflammation a). Ammannia baccifera b). Solanum nigrum c). Urtica sp d). Lantana camara
Last Answer : c). Urtica sp
Description : Simple perennials are reproduced by a). Rhizomes b). Tubers c). Corms d). Seeds
Last Answer : d). Seeds
Description : Commelina benghalensis bearing shortlived blue coloured flowers is a a). Monocot b). Dicot c). Spermatophyte d). Pteridophyta
Last Answer : a). Monocot
Description : Egeria - Anacharis, Water Weed
Last Answer : DESCRIPTION: E. densa, commonly known as Anacharis and Water Weed, is an aquatic perennial native to the warm and temperate regions of South America. It is now naturalized in Central and North America, ... new plants. Cuttings may also be taken and rooted. VARIETIES: E. densa; E. canadensis.
Description : Alternanthera - Alligator Weed, Parrot Leaf (Alternan'thera)
Last Answer : DESCRIPTION: A. ficoidea is a tender, aquatic perennial and is commonly known as Alligator Weed and Parrot Leaf. This dwarf plant only grows 2 inches high. Its narrowly oval, green leaves have wavy ... A. bettzickiana (green foliage); A. sessilis (bronze foliage); A. variegata (variegated foliage).
Description : Weed Sprayers
Last Answer : One of the main problems farmers everyday are weeds. Together with pests, weeds stifle the growth of crops since they compete with the crops for food and sustenance from the ground. For a ... but their functions remain the same: to keep your crops healthy by killing their erstwhile competition.
Description : Which of the following is not an advantage of weeds? a. A Controls Soil Erosion b. B Expedites water flow in irrigation canals c. C Maintain Soil Fertility d. D Used as fodder
Last Answer : b. B Expedites water flow in irrigation canals
Description : is it better to mow tall weeds before spraying with weed killer
Last Answer : If you decide to mow first, use a grass catcher on the mower or the seeds will spread to a larger area.
Description : The function of hemoglobin is------? A. Transportation of oxygen (Answer) B. Destruction of bacteria C. Prevention of anemia D. Utilization of energy
Last Answer : A. Transportation of oxygen (Answer)
Description : The function of hemoglobin is A.Transportation of oxygen B.Destruction of bacteria C.Prevention of anemia D.Utilization of energy
Last Answer : A.Transportation of oxygen
Description : The phrase WEAPONS OF MASS DESTRUCTION entered widespread usage in? a. 2003 b. 2001 c. 2002 d. 2004
Last Answer : a. 2003
Description : Cochineal insects have proved very useful for (a) cactus prevention (b) Eichhornia prevention (c) weeds control (d) Parthenium control.
Last Answer : (a) cactus prevention
Description : In the context of decision making, which of the following best describes a heuristic? (a) A rule that a person relies upon to assess or categorise choices. (b) One of many personal learned rules that a ... uses when making a decision. (d) An attitude that prefers to look at a question as a whole.
Last Answer : (b) One of many personal learned rules that a person applies in the process of decision making.
Description : The role of which agency is important in disaster prevention. a. Media b. Police c. Government officials d. Public
Last Answer : a. Media
Description : One to two flushes of weeds are destroyed before planting of crop is called a). Stale seed bed b). Blind hoeing c). Weeding d). Summer ploughing
Last Answer : a). Stale seed bed