Description : The chemical accumulated during drought condition
Last Answer : Ans.Proline
Description : The process in which soil water lost from leaves of plants in the form of vapour and enters the surrounding atmosphere.
Last Answer : Ans.Transpiration
Description : Alkaloid content present in sorghum leaves
Last Answer : Ans.HCN (Dhurin alkaloid)
Description : Maize crop leaves show red and purple colour due to deficiency of
Last Answer : Ans.Phosphorus (P) 4. Sorghum/Jowar
Description : The detrimental effect of one of higher plants on other higher plants is known as
Last Answer : Ans.Allelopathy
Description : The moisture content of a soil at which plants permanently wilt and will not recover.
Last Answer : Ans.Permanent wilting point (PWP)
Description : Mustard crop planted at a spacing of 50 x 20 cm will have _______ plants/ha.
Last Answer : Ans.1,00,000
Description : The CAM Plants are
Last Answer : Ans.Pineapple, khajur, cactus, sisal.
Description : The C4 Plants are
Last Answer : Ans.Maize, Sorghum, Bajra, Sugarcane, Millets.
Description : The C3 Plants are
Last Answer : Ans.Rice, Wheat, Barley, Pea, Gram, Mustard and Rye, Cotton, Arhar, Soybean, Sunflower, Lentil, Sugarbeet, Tomato etc.
Description : Day neutral Plants are
Last Answer : Ans.Cotton, maize, sunflower, safflower, groundnut, buck wheat, tomato.
Description : How have useful traits been accumulated in plants and animals?
Last Answer : What is the answer ?
Description : More harmones are accumulated in plants due to accumulation of _______: a. Nitrate b. Starch c. Protein d. Vitamins
Last Answer : Starch
Description : Have you ever had so many good things happen to you all at once that it leaves you stressed and irritable?
Last Answer : Maybe you were experiencing happiness overload, if there is such a thing. Take a deep breath and enjoy the stress and worries that has been lifted from your shoulders.
Description : Leaf spring for vehicles are nipped to (a) To vary the effective length of the spring (b) to increase the interleaf friction (c) Improve the load carrying capacity of spring (d) ensure that all leaves are uniformly stressed during loading
Last Answer : (d) ensure that all leaves are uniformly stressed during loading
Description : Detachment and transportation of top soil particles by wind and or by water is known as.
Last Answer : Ans.Soil erosion
Description : What is the concentration of solution in ppm if 2 kg of 2,4-D is mixed with 1000 lit of water?
Last Answer : Ans.2000
Description : The chemicals used to check transpiration losses of water
Last Answer : Ans.Antitranspirents
Description : The moisture deficit condition, results when the amount of water vapour available in the soil is not sufficient to meet the demand of potential evapo-transpiration
Last Answer : Ans.Drought
Description : Water harvesting in situ is known as
Last Answer : Ans.Runoff farming (VII) Dryland Agriculture
Description : Salt content in irrigation water evaluated as best quality
Last Answer : Ans.0.2 to 0.5 g/lt
Description : The ratio of the crop yield to the total amount of water used for irrigation is called, measured in kg/ha-cm is
Last Answer : Ans.Water use efficiency
Description : What will be CPE value when irrigation is scheduled at 0.8 IW/CPE with 6.0 cm depth of irrigation water?
Last Answer : Ans.7.5 cm or 75 mm
Description : The period when water requirement is maximum is called as
Last Answer : Ans.Critical stages of water requirement
Description : Water requirement of maize and groundnut are
Last Answer : Ans.50-80 cm
Description : Water requirement of cotton crop
Last Answer : Ans.70-130 cm
Description : Water requirement of sugarcane
Last Answer : Ans.150-250 cm
Description : Water requirement of wheat, sorghum, soybean and tobbaco are
Last Answer : Ans.45-65 cm
Description : Water requirement of rice is
Last Answer : Ans.90-250 cm
Description : The consumptive use of water is equal to
Last Answer : Ans.ET + Mw
Description : The quantity of water needed for normal crop growth and yield in a period of time to a place and may be supplied by precipitation or by irrigation or by both.
Last Answer : Ans.Water requirement of a crop
Description : A diffusive process by which liquid water in the form of vapour is lost in the atmosphere
Last Answer : Ans.Evaporation
Description : Capillary movement of water is complemented by
Last Answer : Ans.Root extension
Description : When water is held tightly as thin film around soil particles by adsorption forces and flows at gravity of > -31 bar, is called
Last Answer : Ans.Hygroscopic water
Description : The water, retained by the soil in capillary pores (micropores), against gravity (-1/3 to - 31 bar) by the force of surface tension
Last Answer : Ans.Capillary water
Description : The water, that moves downward freely under the influence of gravity (< 1/3 bar) beyond the root zone
Last Answer : Ans.Gravitational water
Description : The amount of soil moisture or water content held in soil after excess water has drained away is called
Last Answer : Ans.Field capacity (FC)
Description : The water content between Field capacity (-1/3 bar) to PWP (-15 bar) is called
Last Answer : Ans.Available water
Description : The saving of water in sprinkler and drip irrigation methods as compared to surface irrigation methods
Last Answer : Ans.25-50%and 50-70%water, respectively.
Description : Discharge rate of water per dripper is
Last Answer : Ans.1-4 litre/hrs
Description : Micro irrigation method, in which water is applied as drop form through emitters
Last Answer : Ans.Drip method
Description : The rate of water delivery in sprinkler system is
Last Answer : Ans.>1000 litre/hrs.
Description : Micro irrigation method, in which water is applied as spray
Last Answer : Ans.Sprinkler method
Description : The most common water flow measuring device which measures water flow in open conduit is
Last Answer : Ans.Parshall/Venturi flume
Description : Venturi meter is used to measure water, if
Last Answer : Ans.Water flow from the pipe
Description : For measuring uniform flow of water, weirs used are
Last Answer : Ans.Rectangular and Trapezoidal weir
Description : Volumetric method of water measurement are
Last Answer : Ans.Furrows, Sprinklers and Drippers
Description : The process of determining when to irrigate and how much water to apply is termed as
Last Answer : Ans.Irrigation scheduling
Description : The quantity of water (gm) necessary for a plant to produce 1 kg of dry matter is known as
Last Answer : Ans.Transpiration coefficient
Description : The percentage of applied irrigation water stored in the soil and made available for consumptive use by the crop
Last Answer : Ans.Irrigation Efficiency