Practice Agri economics Questions and Answers

• Chronological development in commercial use of herbicide is A. Triazines B. Phenoxyalkanoic acids C. Dinitroanilines D. Sulfonylureas E. Phenoxy (aryloxy) ...
• The first confirmed occurrence of herbicide resistant strain of a weed species in US was associated with
• The highest number of resistant weeds are associated with which group of herbicides?
• The most commonly used method of herbicide application in India is
• ______ open its stomata during night and closes during day time
• The important biological control insect for Parthenium hysterophorus in India is
• The effective post-emergence control of Ageratum houstonianum can be achieved with
• Parthenium Awareness Week in India during the month of August each year is coordinated / organized by which directorate/institute of ICAR?
• Electron transport inhibition in PS-II (Photosystem II) for herbicidal action is observed in
• The formulation of 2, 4-D which is absorbed faster by plants is
• The mode of herbicide action wherein the weed plants are bleached white, is caused by which of the following herbicides?
• Post-emergence herbicide for weed management in rice is
• A weed with short-lived blue coloured flowers is
• Match list I with list II Instrument                          Measured parameter A. Pyranometer                  I. Direct solar radi...
• What is the amount of Topik 10% WP required for 4000 m² wheat field if the rate of application of Clodinafop-propargyl is 60 g ha¹¹?
• Which of the following weeds is a holo root-parasite?
• Which of the following irrigation methods is most suitable for the wheat crop?
• Which amongst the following is a commonly used method for determining soil moisture constant under laboratory conditions?
• Saffron revolution is related to
• ______________ formulated water grid
• Calculate the water conveyance efficiency if water delivered to the farm is 84 mm and water diverted from the source is 140 mm.
• Global warming potential of methane is
• Match List 1 with List II List I List II A. Parallel system I. Junction box B. Grouping system II. Bedding system C. Special drains III. Mixed syst...
• Choose the correct option Statement I: Ozone layer present in troposphere absorbs UV radiations from the sun Statement II: Troposphere is the densest part ...
• Optimum condition for the spread of Ergot disease of bajra is
• Given below are two statements: Statement I : Waterlogging causes injury to crops due to low oxygen content and accumulation of hydrocarbon gases, hydro...
• Choose the correct option Statement I: Saline soils are called White alkali soils Statement II: Saline soils contains salts capable of undergoing alkaline ...
• Match List 1 with List II Choose the correct answer from the options given below  ...
• The race within a species, which is genotypically adapted to specific environmental conditions
• Identify the correct order of the following methods of irrigation as per their water-use efficiency from the maximum to minimum efficiency.
• Choose the correct option Statement I: Percolation ponds/tanks are constructed for effective recharge of groundwater Statement II: Emergency spillways are ...
• An area of 0.5 ha each of groundnut and sunflower is irrigated every day with a discharge of 1500 l/min to the farm for 24 hr.Each crop receive 10 cm of wa...
• Regions which experienced drought in more than 40 percent of the years are______
• Match List I with List II Choose the correct answer from the options given below  ...
• Match List I with List II   Choose the correct answer from the options given below ...
• Dry seeding in dryland crop  is recommended for__ crops
• Light saturation point of C3 plant is______ than C4 plants
• Given below are two statements: Statement I: Single superphosphate, double superphosphate, and triple superphosphate are monocalcium phosphates Stateme...
• Benzoquinones and quinones are
• Given below are two statements: Statement I: Organic manures contain a low amount of nutrients and are applied in large quantities Statement II: Nutri...