Description : What is the required quality factor for an SSB filter with the following data: center frequency= 1 MHz, the desired attenuation level of the unwanted sideband= 80 dB and the separation between sidebands= 200 Hz? A. 1,250 B. 12,500 C. 125,000 D. 25,000
Last Answer : C. 125,000
Description : For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a (A) Batch reactor is preferred over a ... a single CSTR for high yield (C) Both (A) and (B) (D) Single CSTR is the most suitable
Last Answer : (C) Both (A) and (B)
Description : The ratio of moles of a reactant converted into the desired product to that converted into unwanted product is called (A) Operational yield (B) Relative yield (C) Selectivity (D) None of these
Last Answer : (C) Selectivity
Description : What term is used to describe the frequency at which the filter circuit changes from the point of rejecting the unwanted frequencies to the point of passing the desired frequencies?
Last Answer : Frequency cutoff (fco).
Description : The length of growing period, suitable for inter cropping system
Last Answer : Ans.14 to 20 weeks
Description : The length of growing period, suitable for growing only a single dry land crop
Last Answer : Ans.14 weeks
Description : Crop growing season of dryland farming is
Last Answer : Ans.75 – 120 days
Description : Growing of two or more crops in quick succession on the same piece of land in a farming year is termed as
Last Answer : Ans.Sequential/non-overlapping cropping
Description : The growing of more than one crop on the same land in one year is termed as
Last Answer : Ans.Multiple cropping
Description : The repetitive growing of the same sole crop on the same land is termed as
Last Answer : Ans.Monoculture
Description : Growing of two or more crops simultaneously in alternate rows or otherwise in the same area, where there is significant amount of inter crop competition is called as
Last Answer : Ans.Intercropping
Description : Growing of two or more crops simultaneously and intermingled without row arrangements, wherethere is significant amount of intercrop competition is called as
Last Answer : Ans.Mixed cropping
Description : Cigarette tobacco is prominent growing in states of
Last Answer : Ans.Andhra Pradesh and Karnataka
Description : Nicotiana rustica is growing for the purpose of
Last Answer : Ans.Hookah, chewing and snuff
Description : Nicotiana tabacum is growing for the purpose of
Last Answer : Ans.Smoking and chewing
Description : The tillage aims to reduce tillage to the minimum necessary for ensuring a good seed-bed, rapid germination, satisfactory stands and favourable growing condition?
Last Answer : Ans.Minimum tillage
Description : Generally, the third row of crop is removed or growing of crop in pair row and the third row is escaped with an object to conserve the soil moisture in Dryland areas?
Last Answer : Ans.Paired row Crops
Description : The crops leave the field exhaustive after growing?
Last Answer : Ans.Exhaustive Crops
Description : A close-growing crop, grown primarily to improve and protect the soil from erosion through their ground covering foliage and/or rootmats between periods of regular crop production?
Last Answer : Ans.Cover Crops
Description : Which of the following is a indicator plant for the bioassay of Atrazine?
Last Answer : Ans.Soybean
Description : Weed that depends for its growth on its host plant?
Last Answer : Ans.Parasitic weed
Description : The simplest way of adaptation of plant to drought is
Last Answer : Ans.Evasion
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 artificial application of water to supply moisture essential to plant growth is termed as
Last Answer : Ans.Irrigation
Description : A method of plant analysis for assessing nutrient requirement in sugarcane is
Last Answer : Ans.Crop Logging
Description : Which part of the cotton plant contains lint and fuzz?
Last Answer : Ans.Hemp
Description : The recommended spacing between row to row and plant to plant of sunflower?
Last Answer : Ans.50 cm x 20 cm
Description : Under SRI method, rice plant is transplanted at
Last Answer : Ans.10-12 DAS (Days After Sowing)
Description : Normally rice plant is transplanted at
Last Answer : Ans.21-25 days after sowing (3-4 leaf stage)
Description : The development stage of a plant after which no further increase in dry matter occurs in the economic part is known as
Last Answer : Ans.Physiological maturity (II) Modern Concepts of Tillage
Description : The full form of LEISA is
Last Answer : Ans.Low External Input Sustainable Agriculture
Description : The crop grown on degraded land for improvement is called
Last Answer : Ans.Conservation crop
Description : Bench Terracing is practiced on
Last Answer : Ans.Steep slopping (16-33%) and undulated land
Description : Contour Bunding is adopted where
Last Answer : Ans.Land slope (6 %) and in areas where average annual rainfall is < 600 mm.
Description : The most popular mechanical measure to control soil erosion and conserve is
Last Answer : Ans.Contour Bunding
Description : About 50-75% of soil erosion by wind is carried out by
Last Answer : Ans.Saltation
Description : What are the types of soil movement in the process of wind erosion?
Last Answer : Ans.Saltation, Suspension and Surface creep
Description : Detachment and transportation of top soil particles by wind and or by water is known as.
Last Answer : Ans.Soil erosion
Description : The Bright Red coloured triangle in herbicide shows
Last Answer : Ans.Extremely toxic group (IX) Soil and Water Conservation
Description : Which of the following causes more wastage of herbicide by drift?
Last Answer : Ans.Ultra-low volume sprayer
Description : BIPOLARIS is used to control weed
Last Answer : Ans.Johnson grass
Description : First commercial Bio-herbicide is
Last Answer : Ans.DEVINE
Description : The most dominant aquatic weed Eichhornia crassipes is controlled by
Last Answer : Ans.Neochetina bruchi
Description : Parthenium hysteroforus is biologically controlled by
Last Answer : Ans.Zygrogramma bicolarata
Description : First biologically controlled weed is
Last Answer : Ans.Lantana camara
Description : Which of the following weed having herbicide resistance?
Last Answer : Ans.Avena fatua
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 : Herbicides are not used in dust formulation because of
Last Answer : Ans.Drifting hazards
Description : Which is a contact selective herbicide?
Last Answer : Ans.Propanil
Description : Which herbicide shows Knock down effect?
Last Answer : Ans.Paraquate, Diquate and Glyphosate