Practice Agri economics Questions and Answers

• Drug used for the cure of constipation and dysentery is originated from which of the following crops?
• Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R Assertion A: The main aim of topping and desucke...
• Match List I with List II List I List II Crops Scientific names A. Oats I. Trifolium alexandrinun B. Barseem II. Cyamopsis ...
• Earthing-up is needed in sugarcane under which of the following planting systems.
• Husk as drug is the economic part of which of the following plants
• Quantity of seed required for sowing direct-seeded rice in a 10,000 square metre area at a spacing of 20 cm × 5 cm. if 1000 grain weight is 20 g and germi...
• Caculate the amount of urea fr 4000 m2 area if nitrogen appication rate is 120 kg/ha
• A formulation of a herbicide generally not diluted and supplied ready to use is called
• Inter-culture with bullocks or tractor is mostly performed in widely row sown crops. A solid (broadcast) crop where it is usually performed is
• A commercial bio-herbicide for the control of Sorghum halepense
• A Xerophytic weed
• Match List I with List II Match the weed species with their seed production potential List I List II Weed species Seeds/plant A. Orob...
• The followings are the practices in stale seed bed A. Irrigation of the seed bed B. Cultivation, leveling and seed bed preparation C. Sowing of crop see...
• Weeds use to cure jaundice
• The main objective of integrated weed management is
• Tembotrione has been registered in India for its use in
• Match List I with List II Match the mode of action in List I with the herbicides in List II List I List II Mode of action Herbicide A...
•   What will be the weed control efficiency (%). if the number of weeds in clodinafop treated plot is 190/ m² and that in a control plot is 361/m²? ...
• Match List I with List II Match the weed in List I with their bio-control agent in List II List I List II Weed Bio-control agent A. Or...
• Given below are two statements Statement I: In case of pre-emergence herbicides less droplet size is effective and for post emergence herbicides bigger...
• A phenomenon in degradation process wherein an intermediate product of herbicides proves more phytotoxic than the parent compound
• Match List I with List II Match the herbicides in List I with their rate of application in List II List I List II Herbicide Rate of applica...
• An 80 gm NaOH is dissolved in 500 ml of water. What is molarity of the solution
• Given below are two statements Statement I: C3 weeds such as Avena fatua, Phalaris minor and Chenopodium album are generally more competitive than C4 w...
• The amount of basalin 45 EC for a plot of 50 m x 40 m at recommended rate of fluchloralin at 0.75 kg/ha is
• Calculate the concentration of a solution if 200 gm herbicide mixture is mixed in 400 litre of water.
• Match List I with List II Match the crop in List I with the registered herbicide in List II List I List II Crop Herbicide A. Soybean ...
• Statement I: Saline soils are called White alkali soils Statement II: Saline soils contains salts capable of undergoing alkaline hydrolysis ...
• Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R Assertion A : Temperature above 25°C reduces th...
• Match List I with List II List I List II Irrigation project State A. Koyna I. Himachal Pradesh B. Idukki II. Maharashtra ...
• The maximum permissible slope per cent for furrow irrigation (short, near horizontal furrows) is
• Given below are two statements Statement I: A surface irrigation event is composed of four phases namely, advance phase. storage phase, depletion phase...
• What is the efficiency (%) of sprinkler irrigation?
• How much area can be irrigated with a flow rate of 30 liters per second for 10 hours a day when irrigation requirement of the 100 days duration crop is 50 ...
• Device used for measuring water flow in pipes
• Which stages are the most sensitive to water deficit in groundnut?
• The ratio of average depth of water stored in root zone soil depth during irrigation to the water diverted from the reservoir is known as
• The correct order of crops with respect to their water requirement
• Water requirement satisfaction index (WRSI) can be computed using the information on seasonal actual evapotranspiration (AET) and seasonal crop water requi...
• Match List I with List II The crop coefficient (Kc) for major crops at harvest List I List II Crop Kc value A. Maize I. 0.50-0.60 ...