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 : Which one of the following terms describes the practice of growing two or more crops simultaneously on the same piece of land? a. Crop rotation b. Mixed cropping c. Intercropping d. Mixed farming
Last Answer : b. Mixed cropping
Description : The first rule of weed prevention a). Regular survey to identify new weeds b). Destruction of weeds before they set seed c). Clean seed d). Clean farm equipments and irrigation water
Last Answer : c). Clean seed
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 system approach based on whole land use planning a). Weed eradication b). Weed control c). Weed prevention d). None
Last Answer : d). None
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 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 : 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 : A companion crop a). Hairy vetch b). Winter rye c). Cowpea d). All
Last Answer : d). All
Description : Which of the following is/ are sustainable agricultural practices? I. Mixed Cropping II. Crop Rotation III. Intercropping IV. Integrated farming Correct code is - a. I, II and III only b. II, III and IV only c. I, III, and IV only d. I, II, III and IV all
Last Answer : d. I, II, III and IV all
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 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 : 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 : Inter-culture with bullocks in standing water a). Rice b). Sorghum c). Pearlmillet d). all
Last Answer : a). Rice
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 : Bioagent for controlling Parthenium hysterophorus a). Bactra verutana b). Zygogramma bicolorata c). Chrysolira d). Flea beetle
Last Answer : b). Zygogramma bicolorata
Description : Dredging is most effective treatment for controlling a). Parasitic weeds b). Lantana c). Agrestals d). Aquatic weeds
Last Answer : d). Aquatic weeds
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 : Dryland weeds usually have a). deep root b). hairyness c). Mucilaginous stem d). all
Last Answer : d). all
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 : 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 : 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 : 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 : 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 : The most systematic method for classifying weeds is based on a). Morphology b). Life history c). Habitat d). Phylogenetic
Last Answer : d). Phylogenetic
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 : The practice of taking second crop from previous crop is known as — a. Alley cropping b. Relay cropping c. Ratoon cropping d. Intercropping
Last Answer : c. Ratoon cropping
Description : $ Crop rotation decreasess the soil fertility. ! High concentration of minerals is required as fertilizers.
Last Answer : $ Crop rotation decreasess the soil fertility. ! High concentration of minerals is required as fertilizers. A. ... D. If both As and R are wrong.
Description : Rotation of crops means (a) Same crop is grown again and again (b) Two crops are grown simultaneously to increase productivity of the soil (c) Different crops are grown in succession to maintain the soil fertility (d) None of the above
Last Answer : Ans: (c)
Description : Which one of the following is the correct sequence of crop rotation with a view to increasing soil fertility? (a) Wheat, Potato, Barley, Pea (b) Potato, Wheat, Pea, Barley (c) Barley, Pea, Wheat, Potato (d) Pea, Barley, Wheat, Potato
Description : Growing of two or more crops simultaneously on the same piece of land is called? a. Fanning b. Intercropping c. Mixed Cropping d. Mixed Farming e. None of these
Last Answer : c. Mixed Cropping
Description : The order in which the crops are cultivated on a piece of land over a fixed period is called as- a. cropping pattern b. cropping system c. mono-croppingd. intercropping e. mixed farming
Last Answer : d. intercropping
Description : What kind of cropping pattern is used in Rainfed farming areas? a. Single cropping b. Relay cropping c. Ratoon cropping d. Intercropping
Last Answer : d. Intercropping