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 : The weed propagated through rhizomes/ root stock a). Agropyron repens b). Cynodon dactylon c). Typha angustata d). All of these
Description : Insect to control Lantana a). Ophimoyia sp (seed fly) b). Teleonania sp (Lace bug) c). Theola sp (Butterfly) d). All of these
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 : A weed brought as ornamental a). Water hyacinth b). Lantana c). Both a and b d). None 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
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 : .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 : Weed responsible for forest fire is a). Aligator weed b). Sorghum halepense c). Lantana d). Amaranthus
Last Answer : c). Lantana
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 : . Acidophile weed a). Digitaria sanguinalis b). Borreria sp c). Both a and b d). None of these
Description : . A basophile weed a). Alkali grass (Puccinallia sp) b). Quack grass c). Amaranth sp d). Both a and b
Last Answer : d). Both a and b
Description : A weed producing > 1 lakh seeds/plant a). Amaranthus sp b). Portulaca sp c). Both a and b d). Cascutta sp
Description : A diocious weed a). Canada thistle b). Eel grass c). Amaranthus sp d). Both a and b
Description : Which weed induces asthama in humans due to pollen spread? a). Ambrosia artemissifolia b). Franseria sp c). Both a and b d). None of these
Description : The most common species of Typha is In dia is a). T. angustata b). T. latifolia c). T. elephantina d). All
Last Answer : a). T. angustata
Description : . Herbicide effectively controls Saccharum and Sorghum halepense only at pre flowering stage a). Diuron b). Atrazine c). Amitrole d). Both a and c
Last Answer : d). Both a and c
Description : . A ceremonial weed a). Cynodon dactylon b). Datura stramonium c). Tagetus sp d). All of these
Description : The weed having more dormancy a). Dactyloctenium sp b). Lathyrus sp c). Field bind weed d). All of these
Description : . Submerged weed a). Hydrilla verticillata b). Nagar sp c). Utricularia stellaris d). All of these
Description : A biennial weed a). Alternanthera sp b). Cichorium intybus c). Circium vulgare d). All of these
Description : November sown berseem crop induces the weed a). Chenopodium sp b). Anagallis sp c). Vicia sp d). All of these
Description : A dominant weed of puddle paddy soil a). Echinochloa b). Caesulina c). Eclipta sp d). All of these
Description : . A weed selective under irrigated conditions a). Commelina benghalensis b). Trianthema sp c). Brachiaria ramosa d). All of these
Description : . A weed acting as a satellite weed a). Avena fatua b). Cuscuta sp c). Cichorium sp d). All of these
Description : The weed producing smallest seed a). Cuscuta sp b). Xanthium sp c). Amaranthus sp d). Commelina sp
Last Answer : a). Cuscuta sp
Description : Weed species which has nematicidal prop erty a). Crotolaria b). Parthenium c). Eichhornia sp d). All of these
Description : A troublesome weed of water body a). Water lilly b). Lotus (Nelumbo sp) c). Water hyacinth d). All the above
Last Answer : d). All the above
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 : he bird which disperses Lantana camara a). Indian Myha b). Chinese turtle dove c). Parrot d). Both a and b
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 : Herbicidal control for Lantana a). Glyphosate b). Atrazine c). Pendimethalin d). Alachlor
Last Answer : a). Glyphosate
Description : . October sowing of berseem/lucerne pro motes the growth of a). Amaranthus sp b). Trianthema sp c). Both a and b d). None of these
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 : Trap crop for Cuscuta sp a). Small grains b). Chickpea c). Mustard d). All
Last Answer : d). All
Description : . Digging reduces population of a). Cynodon sp b). Amaranthus sp c). Convolvulus sp d). None of these
Last Answer : a). Cynodon sp
Description : A parasite in lucerne a). Cuscuta sp b). Orobanche sp c). Striga sp d). All of these
Description : Established at Hisar in 1968, who was the founder President/Secretary of ISWS a). Amaranthus sp b). Chenopodium c). Circium sp d). All of these
Description : Besides isoproturon resistance in P. minor, other cases of herbicide resis tance reported in India are a). Poa annua b). Brachiaria ramosa c). Commelina sp d). None of the above
Last Answer : d). None of the above
Description : A ceremonial weed a). Asparagus racemosus (Shatawari) b). Cynodon dactylon (Dhoob ghaas) c). Both a and b d). Digitaria sanguinalis
Description : The weed less responsive to nitrogen a). Cyperus b). Cynodon c). Both a and b d). None of these
Description : Growth of the weed is reduced due to root exudates of maize a). Chenopodium album b). Amaranthus retroflexus c). Both a and b d). None of these
Description : . Common weed in pasture land a). Tephrosia procumbens b). Boerhaavia diffusa c). Both a and b d). None of these
Description : . Mimicry weed in wheat field a). Phalaris minor (Canary grass) b). Wild oat c). Both a and b d). None of these
Description : An associated weed in lucerne and potato a). Chicory b). Swine grass (Coronopus didymus) c). Striga d). Both a and b
Description : In which weed seeds mature after uproot ing the plant? a). Stellaria media (Chick weed) b). Portulaca oleracea c). Both a and b d). None of these
Description : Weed which reduces the Juice quality of sugarcane is a). Aeginitia indica b). Striga litura c). Both a and b d). None of these
Description : Which of the weed act as alternate host on gram caterpillar of redgram? a). Amaranthus b). Datura c). Both a and b d). None of these
Description : Integrated weed management practices that a). Enhance crop competitive ability b). Decrease weeds ability to reduce yield c). Practices that eliminate weeds from an area d). Both a and b e). Both a and c