Description : The most important weed against which eradication measures would be taken on war footings is (a) Eichhornia (b) Dactylis (c) Parthenium (d) Ageratum
Last Answer : (c) Parthenium
Description : Weed species which has nematicidal prop erty a). Crotolaria b). Parthenium c). Eichhornia sp d). All of these
Last Answer : d). All of these
Description : Which of the following weeds has been found useful to check water pollution caused by industrial affluents? (1) Parthenium (2) Elephant grass (3) Water hyacinth (4) Both (1) and (2) above
Last Answer : (3) Water hyacinth Explanation: Around the world, there is an increasing trend in areas of land, surface waters and groundwater affected by contamination from industrial, military and agricultural activities due to either ignorance, lack of vision, or carelessness.
Description : Which of the following weeds has been found useful to check water pollution caused by industrial affluents ? (1) Parthenium (2) Elephant grass (3) Water hyacinth (4) Both (1) and (2) above
Last Answer : Water hyacinth
Description : Which one of the following weeds is effective in controlling water pollution caused by industrial effluents? (1) Parthenium (2) Elephant grass (3) Water hycinth (4) Molar grass
Last Answer : (3) Water hycinth Explanation: Water hyacinth (Eichhornia crassipes) is used for purifying not only domestic wastewater but also industrial wastewater. It can readily absorb, accumulate and ... hyacinth can remove even radioactive metals from industrial effluents, which is very difficult otherwise.
Description : Which of the following weeds has been found effective in checking water pollution caused by industrial affluents? (1) Water hyacinth (2) Elephant Grass (3) Parthenium (4) Both (2) and (3)
Last Answer : (1) Water hyacinth Explanation: Plants that are resistant to crude oil toxicity such as black poplar and willows, as well as miscanthus grass (elephant grass) have been found to ... oliefera seeds and Parthenium hysterophorus plants are effective for the removal of industrial p011utants in water.
Description : Which one of the following weeds is effective in controlling water pollution caused by industrial effluents? (1) Parthenium (2) Elephant grass (3) Water hycinth (4) Mogar grass
Last Answer : Water hycinth
Last Answer : Both (2) and (3)
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 : .Collego was developed to control a). Aeschynomene indica b). Eichhornia c). Cuscuta d). Morrenia odorata
Last Answer : a). Aeschynomene indica
Description : Trichoderma harzianum has proved a useful microorganism for (a) gene transfer in higher plants (b) biological control of soil-borne plant pathogens (c) bioremediation of contaminated soils (d) reclamation of wastelands.
Last Answer : (b) biological control of soil-borne plant pathogens
Description : Parthenium is a very serious problem in a). Tamil Nadu b). Rajesthan c). Jammu and Kashmir d). Maharastra
Last Answer : d). Maharastra
Description : Chemical control of Parthenium hys terophorus a). Metsulfuron methyl b). Metribuzin c). Atrazine d). All
Last Answer : d). All
Description : The most dominant aquatic weed Eichhornia crassipes is controlled by
Last Answer : Ans.Neochetina bruchi
Description : Which of the following is a monocot weed but broad-leaved plant? a). Eichhornia crasipus b). Commelina banghalensis c). Cynnotis axillaris d). All of these
Description : CASST is a bio herbicide used to con trol a). Cenchrus b). Cassia obtusifolia c). Echinochloa d). Eichhornia
Last Answer : b). Cassia obtusifolia
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 : Read the following four statements (A-D). (A) Colostrum is recommended for the new born because it is rich in antigens. (B) Chikungunya is caused by a Gram negative bacterium. (C) Tissue culture has proved useful ... . How many of the above statements are wrong? (a) Two (b) Three (c) Four (d) One
Last Answer : (B) Chikungunya is caused by a Gram negative bacterium.
Description : What weeds do you find useful and enjoyable in your daily life?
Last Answer : A weed is ”…a plant considered undesirable in a particular situation, “a plant in the wrong place”.” If you have planted herbs they are not weeds. On the other hand that 100 year old oak tree in the yard would be considered a weed if you don’t want it.
Description : Which of the following weeds has been found useful to check water pollution caused by industrial effluents? (1) Partheniurn (2) Elephant grass (3) Water hyacinth (4) Both (1) and (2)
Last Answer : (4) Both (1) and (2) Explanation: Parthenium and Elephant grass are useful to check water pollution caused by industrial effluents.
Description : Soil mulch is useful in: (A) Minimize evaporation losses (B) Improving aeration (C) Improving drainage (D) Removing weeds
Last Answer : (A) Minimize evaporation losses
Description : Paddy cono weeder is useful for. a) Weeding between rows of crops like cotton for sugarcane. b) For uprooting and burying weeds in between standing rows of rice crops in in wetland. c) For weeding in raw crops in rain fed. d) For placing seed in continuous flow.
Last Answer : For uprooting and burying weeds in between standing rows of rice crops in in wetland.
Description : is useful for uprooting and burying weeds between standing rows of rice crops in wetlands a) Sweep b) Engine operated weeder c) Cono weeder for paddy d) Dry land weeder
Last Answer : <!-- [endif] -->Cono weeder for paddy
Description : What is Parthenium ?
Last Answer : Parthenium is a type of poisonous plant. Playing with any part of this plant or coming in contact with it for a long time can cause death of human beings. The English name of Parthenium is ... Caffeic acid, Vanillic acid, Ansic acid, P-anisic acid, Chlorogenic acid, Ges Parahydroxy benzoic acid .
Description : Parthenium hysteroforus is biologically controlled by
Last Answer : Ans.Zygrogramma bicolarata
Description : Which of the following is correctly matched? (a) Aerenchyma – Opuntia (b) Age pyramid – Biome (c) Parthenium – Threat to hysterophorus biodiversity (d) Stratification – Population
Last Answer : (c) Parthenium – Threat to hysterophorus biodiversity
Description : The weed that causes Asthma is— (A) Hirankhuri (B) Bathua (C) Parthenium (D) Krishna Neel
Last Answer : (C) Parthenium
Description : Each year an awareness week is or ganized by DWR Jabalpur, an ICAR In stitute in reference to which of the weed a). Lantana camara b). Chromolaena adenophorum c). Parthenium hysterophorus d). Imperata cylindrica
Last Answer : c). Parthenium hysterophorus
Description : VELGO is a bioherbicide used against a). Echinochloa b). Parthenium c). Cenchrus d). Abutilon
Last Answer : d). Abutilon
Description : .Which weed is considered as biopesti cide and severely inhibit the growth of water hyacinth? a). Parthenium b). Echinochloa c). Cuscuta d). Lantana
Last Answer : c). Cuscuta
Description : Bioagent for controlling Parthenium hysterophorus a). Bactra verutana b). Zygogramma bicolorata c). Chrysolira d). Flea beetle
Last Answer : b). Zygogramma bicolorata
Description : Eradication is possible in following weed situations a). Ageratum conyzoides b). Phalaris minor c). Parthenium hysterophorus d). Lantana
Last Answer : d). Lantana
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 : I left my cactus outside one evening and it was very cold and now it's wilting and turning brown, Can I revive it?
Last Answer : Inside cactus does not like to be cold. bring it back inside. Where it was originally and it will be a wait & see.
Description : My Christmas cactus plant has bloomed but looks very wilted I don't understand what the problem is?
Last Answer : Need Answer
Description : What is a very tall cactus that can store water inside there stem?
Last Answer : A flower cactus
Description : Reena's father works with a company that builds dams. Once he took her to the site where a dam was being built. Reena saw a group of people sitting there and shouting slogans against the ... the peaceful resolution of the conflict proved to boon for many citizens of the country. How? -Biology
Last Answer : (i) Because she convinced the people by explaining them the advantage of constructing dam and come with a solution of rehabilitation of displaced peoples. So the contribution to the peaceful resolution of ... (c) Low cost of production of electricity gives monetary gain which is a boon to citizens.
Description : “ICT is influencing our day to day life and has been proved to be very much beneficial for every one.” -Technology
Last Answer : ICT has made a huge impact on almost every aspect of our daily lives. Its power has influenced engineering, health, aerospace, communications, education, research etc.Benefits of ICTICT has ... CAM greatly reduces the time required for production planning and allocation of jobs to various resources.
Description : Which one of the following proved effective for biological control of nematodal diseases in plants? (a) Gliocladium virens (b) Paecilomyces lilacinus (c) Pisolithus tinctorius (d) Pseudomonas cepacia
Last Answer : (b) Paecilomyces lilacinus
Description : An 'orphan drug' is: A. A very cheap drug B. A drug which has no therapeutic use C. A drug needed for treatment or prevention of a rare disease D. A drug which acts on Orphanin receptors
Last Answer : C. A drug needed for treatment or prevention of a rare disease
Description : why do farmers control weeds?
Description : Common herbicide used to control weeds in wheat
Last Answer : Ans.2, 4-D
Description : Application of insecticides to control ………….. a. Weeds c. Disease b. Insect Pest d. Plant
Last Answer : Insect Pest
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 : Present day versatile herbicide to control difficult, perennial, broadleaved weeds and brushes in grasslands a). Alachlor b). Atrazine c). Picloram d). All
Last Answer : c). Picloram
Description : Butachlor has to be applied to control weeds in upland rice at a). Immediately after sowing b). 2 DAS c). 6-8 DAS d). 15 DAS
Last Answer : d). 15 DAS
Description : Biological weed control is not successful because a). Not possible to eradicate weed b). Bioagents are weed specific c). Controlled only introduced weeds d). All of these
Description : An eradication method of weed control a). Killing underground parts of weeds by tillage b). Using soil sterilants c). Repeated foliar application on perennial weeds d). All of these