Description : The Asian Pacific Weed Science Soci ety (APWSS) was founded in a). 1667 b). 1985 c). 1951 d). 1992
Last Answer : a). 1667
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
Last Answer : b). Roberts and Bonds (1975)
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
Last Answer : a).Zimdahl 1980
Description : Indian Society of Weed Science was founded in a). 1958 b). 1968 c). 1989 d). 1997
Last Answer : b). 1968
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 : Where was India’s first computer installed and when? a. Indian Institute of Technology, Delhi, 1977 b. Indian Institute of Science, Bangalore, 1971 c. Indian Iron & Steel Co. Ltd., 1968 d. Indian Statistical Institute, Calcutta, 1955
Last Answer : Indian Statistical Institute, Calcutta, 1955
Last Answer : d. Indian Statistical Institute, Calcutta, 1955
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
Last Answer : d). All of these
Description : Established at Hisar in 1968, who was the founder President/Secretary of ISWS a). Dr. MK Moolani b). Dr. RK Malik c). Dr. VM Bhan d). Dr. RS Paroda
Last Answer : a). Dr. MK Moolani
Description : . In india herbicides are registered un der which of the following Act a). Herbicide Registration Act b). Insecticide Act, 1968 c). Environment Policy, 2005 d). Indian Agrochemicals Registration Act
Last Answer : b). Insecticide Act, 1968
Description : Insecticide/herbicide registration comes under which rule a). 1971 b). 1969 c). 1962 d). 1968
Last Answer : a). 1971
Description : Herbicide are registered under which insecticide registration act a).1968 b).1969 c).1964 d).1962
Last Answer : a).1968
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 : Weed Biology and Management Q.313. Weed Science of America is publish ing which of the Journals a). Weed Science b). Weed Technology c). Invasive Plant Science and Manage ment d). All the above
Last Answer : d). All the above
Description : The official peer-reviewed Journal of the EWRS (European Weed Research Society) is a). Journal of Crop and Weed b). Weed Research c). Weed Science
Last Answer : b). Weed Research
Description : The 25th Asian Pacific Weed Science Society Conference (October 13-16, 2015) was held at a). Hyderabad, India b). Colombo, Sri Lanka c). Seoul, South Korea d). Brisbane, Australia
Last Answer : a). Hyderabad, India
Description : How many modes of action commer cialized between 1970 and 1985 a).6 b).9 c).10 d).12
Last Answer : d).12
Description : . Transgenic crops were first introduced in a).1985 b).1983 c).1993 d).1990
Last Answer : d).1990
Description : Glufosinate resistant cotton was com mercially made available in a).1993 b).1985 c).2004 d).1990
Last Answer : c).2004
Description : Distinguish between Civil Rights Movements (1954-1968) and The Black Power Movement (1966-1975) Movement in the USA. -SST 10th
Last Answer : Civil Rights Movement: (1954-1968) Refers to a set of events and reform movements aimed at legally abolishing racial discrimination against African-Americans. Led by Martin Luther King Junior, this ... militant anti-racist movement, advocating even violence if necessary to end racism in the U.S.
Description : The political parties got the Constitution recognition for the first time in the year - (1) 1975 (2) 1977 (3) 1985 (4) 1995
Last Answer : (3) 1985 Explanation: Political parties got the constitutional recognition for the first time in 1985,
Description : The Air Prevention and Control of Pollution Act came into force in (a) 1985 (b) 1990 (c) 1975 (d) 1981
Last Answer : (d) 1981
Description : Hybrid cotton in India was evolved for the first time in (A) 1975 (B) 1980 (C) 1970 (D) 1985
Last Answer : (C) 1970
Description : What was the time period of the 6 th plan? a. 1978-1980 b. 1980-1985 c. 1975-1980 d. 1951-1956
Last Answer : b. 1980-1985
Description : The word ‘socialist’ was enacted in the Constitution of India- (i) 1975 (ii) 1976 (iii) 1985 (iv) 1986
Last Answer : (ii) 1976
Description : If Echinochloa falls in frequency class ‘E’, the weed community is said to be a). Contiguous b). Heterogenous c). Homogenous d). Random
Last Answer : c). Homogenous
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%
Last Answer : b). 64.3%
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%
Description : . A ceremonial weed a). Cynodon dactylon b). Datura stramonium c). Tagetus sp d). All of these
Description : A ceremonial weed a). Asparagus racemosus (Shatawari) b). Cynodon dactylon (Dhoob ghaas) c). Nelumbo nucifera (Lotus flower) d). All of these
Description : A ceremonial weed a). Asparagus racemosus (Shatawari) b). Cynodon dactylon (Dhoob ghaas) c). Both a and b d). Digitaria sanguinalis
Last Answer : c). Both a and b
Description : To manage grassy weed flora in barley which of the herbicides is to be applied a). Pendimethalin b). Isoproturon c). a and b d). Metsulfuron
Last Answer : c). a and b
Description : To manage mixed weed flora in barley which of the herbicides is to be applied a).2,4-D b). Isoproturon c). a and b as tank mix d). None of these
Last Answer : c). a and b as tank mix
Description : A herbicide requiring good spray coverage of all foliage for effective control of a weed population a).Paraquat b). Glyphosate c). Atrazine d). Isoproturon
Last Answer : a).Paraquat
Description : A weed accumulate over 550 ppm of Zn in its dry matter a). Digitaria b). Setaria lutescens c). Portulaca d). Chenopodium
Last Answer : b). Setaria lutescens
Description : A natural pre-emergence weed control in turf grass a). Corn gluten meal b). Bialaphos c). Sulcotrione d). Cinmethylin
Last Answer : a). Corn gluten meal
Description : With poor weed management, a field could shift to a). Predominant weed species b). Species not effectively controlled c). Species not responded to control meas ures d). All the above
Description : . A non-competitive crop requiring weed free period of three or more months a). Maize b). Rice c). Soybean d). Onion
Last Answer : d). Onion
Description : A period in the ontogeny of crop at which maximum crop weed competition occurs is called a). Economic threshold b). Gain threshold c). Competitive threshold d). None
Last Answer : d). None
Description : The effective solution to manage weed shifts a). Herbicide combinations b). Herbicide rotations c). Crop rotations d). All
Last Answer : d). All
Description : The competitive crop requiring weed free period of about 3-4 weeks a). Soybean b). Carrot c). Garlic d). Onion
Last Answer : a). Soybean
Description : A noxious weed of South India a). Cynodon b). Cyperus c). Wild brinjal d). All
Description : Herbicide which increase tuber size be sides weed control in potato a). EPTC b). Fluchloralin c). Pendimethalin d). Atrazine
Last Answer : a). EPTC
Description : Largest pre-emergence herbicide for weed control in citrus and pineapple orchards a). Atrazine b). Metham c). Allyl d). All
Last Answer : b). Metham
Description : A very potent herbicide for the control of perennial, broad-leaved weed and brushes a). Atrazine b). 2,4-D c). Picloram d). Amitrole
Last Answer : c). Picloram
Description : Effective rate (kg/ha) of 2,4-D for weed control a). 0.2-0.5 b). 0.5-1.0 c). 2 d). 5
Last Answer : b). 0.5-1.0
Description : Direct contact herbicide application can be achieved by a). Re-circulating sprayer b). Weed wick wiper c). Roller applicator d). All
Description : . Klamath weed (Hypericum perforatum) is controlled by an insect a). Chrysolina hyperici (Beetle) b). Chrysolina gamellata (Beetle) c). Agrilus hyperici (Root borer) d). All of these