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

1 Answer

Answer :

c). Parthenium hysterophorus

Related questions

Description : Three-phased integrated technology including cutting, spray of glyphosate and land utilization as per its capability for the management of Lantana camara was developed at a). Jabalpur, MP b). Palampur, HP c). Jaipur, Rajesthan d). Hisar, Haryana

Last Answer : b). Palampur, HP

Description : National Research Centre for Weed Science (NRCWS), now Directorate of Weed Research (DWR) Jabalpur came into existence on a). 22 April, 1982 b). 22 April, 1985 c). 22 April, 1989 d). 22 April, 1997

Last Answer : c). 22 April, 1989

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 simple perennial weed a). Ipomoea carnea b). Lantana camara c). Both a and b d). None of these

Last Answer : c). Both a and b

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 : The Founder Director of NRCWS, now DWR Jabalpur was a). Dr V.M. Bhan b). Dr V.N. Saraswat c). Dr. N.T. Yaduraju d). Dr. A.R. Sharma

Last Answer : a). Dr V.M. Bhan

Description : he bird which disperses Lantana camara a). Indian Myha b). Chinese turtle dove c). Parrot d). Both a and b

Last Answer : d). Both a and b

Description : A weed native of America a). Chromolaena odorata b). Clidermia hirta c). Cocklebur d). All of these

Last Answer : d). All of these

Description : When DWR (Directorate of Weed Re search) renamed from DWSR (Directorate of Weed Science Re search) a). 2011 b). 2013 c). 2014 d). 2016

Last Answer : c). 2014

Description : When NRCWS Jabalpur was up graded to Directorate of Weed Science Research (DWSR) a). 2005 b). 2009 c). 2011 d). 2014

Last Answer : b). 2009

Description : Directorate of Weed Research is situ ated at a). Jabalpur, MP b). Karnal, Haryana c). Jhansi, UP d). Navsari, Gujarat

Last Answer : a). Jabalpur, MP

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 : Herbicidal control of pre-established thatch grass (Imperata cylindrical) con trol in tea orchard a). Glyphosate + 2,4-D b). Oxyflourfen + 2,4-D c). Diuron + 2,4-D d). Paraquat + 2,4-D

Last Answer : a). Glyphosate + 2,4-D

Description : Weed eradication is rare but practiced in a). Lantana b). Saccharum sp c). Striga sp d). All of these

Last Answer : d). All of these

Description : A recent noxious weed of Tamil Nadu a). Wild brinjal b). Striga c). Lantana d). Cuscutta

Last Answer : a). Wild brinjal

Description : Which of the following is a brush weed a). Lantana b). Propsopis (Mesquite) c). Zizyphus rotundifolia d). All of these

Last Answer : d). All of these

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 : Which of the following weed is used in cot tage industry for making rope and thatch material? a). Typha b). Saccharum sp c). Both a and b d). Lantana

Last Answer : c). Both a and b

Description : Weed responsible for forest fire is a). Aligator weed b). Sorghum halepense c). Lantana d). Amaranthus

Last Answer : c). Lantana

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 : Bioagent for controlling Parthenium hysterophorus a). Bactra verutana b). Zygogramma bicolorata c). Chrysolira d). Flea beetle

Last Answer : b). Zygogramma bicolorata

Description : Which one of the following pairs of organisms are exotic species introduced in India? (a) Lantana camara, water hyacinth (b) Water hyacinth, Prosopis cinereria (c) Nile perch, Ficus religiosa (d) Ficus religiosa, Lantana camara

Last Answer : (a) Lantana camara, water hyacinth

Description : Which one of the following plants are used as green manure in crop fields and in sandy soils? (a) Crotalaria juncea and Alhagi camelorum (b) Calotropis procera and Phyllanthus niruri (c) Saccharum munja and Lantana camara (d) Dichanthium annulatum and Azolla nilotica

Last Answer : (a) Crotalaria juncea and Alhagi camelorum

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 : 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 : VELGO is a bioherbicide used against a). Echinochloa b). Parthenium c). Cenchrus d). Abutilon

Last Answer : d). Abutilon

Description : Scheme for testing the field performance of hrbicidies in rice, wheat and sugarcane in different states of India by ICAR was initi ated in a). 1948 b). 1952 c). 1956 d). 1960

Last Answer : b). 1952

Description : Insect to control Lantana a). Ophimoyia sp (seed fly) b). Teleonania sp (Lace bug) c). Theola sp (Butterfly) d). All of these

Last Answer : d). All of these

Description : Herbicidal control for Lantana a). Glyphosate b). Atrazine c). Pendimethalin d). Alachlor

Last Answer : a). Glyphosate

Description : The weed that causes Asthma is— (A) Hirankhuri (B) Bathua (C) Parthenium (D) Krishna Neel

Last Answer : (C) Parthenium

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 : 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 : If Echinochloa falls in frequency class ‘E’, the weed community is said to be a). Contiguous b). Heterogenous c). Homogenous d). Random

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Description : If weed population is 70/m2 and the crop 140/ m2, weed intensity would be a). 33.3% b). 66.6% c). 50% d). 73.4%

Last Answer : a). 33.3%

Description : If the count of Echinochloa in weedy check is 70 and that in a treatment 25/m2, weed control efficiency will be a). 54.3% b). 64.3% c). 73.4% d). 79.6%

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Description : If the yield from weed free is 3500 kg and that from weedy 1500 kg/ha, weed index would be a). 57.1% b). 133.3% c). 45.0% d). 25.6%

Last Answer : a). 57.1%

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Description : A ceremonial weed a). Asparagus racemosus (Shatawari) b). Cynodon dactylon (Dhoob ghaas) c). Both a and b d). Digitaria sanguinalis

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Description : A curvilinear relationship between weed density and crop yield was reported by a). Zimdahl 1980 b). Roberts and Bonds (1975) c). Cousens et al (1985) d). None of these

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Description : The sigmoidal relationship between weed density and crop yield was proposed by a).Zimdahl 1980 b). Roberts and Bonds (1975) c). Cousens et al (1985) d). None of these

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Description : A weed accumulate over 550 ppm of Zn in its dry matter a). Digitaria b). Setaria lutescens c). Portulaca d). Chenopodium

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Description : A natural pre-emergence weed control in turf grass a). Corn gluten meal b). Bialaphos c). Sulcotrione d). Cinmethylin

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