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Practice Agri economics Questions and Answers

Which of the following is a ceremonial weed?
Which of the following weeds has a cup-shaped corolla?
Weeds propagating through tubers
Which among the following phenomenon directly affects crop growth and yield?
Which of the following causes a 'resource' influencing competition in a weed-crop environment.
Chronology in the grass-weed growth stages is A. Booting B. Tillering C. Anthesis D. Dough E. Seedling Choose the correct answer from the option given belo...
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 ...

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