0% 65 Agronomy Quiz 2 1 / 50 England cotton was imported from the time in__________________? 1530 AD 1430 AD 1500 AD 1435 AD 2 / 50 Certification is not required for________________? Nucleus seed Breeder seed Foundation seed Certified seed 3 / 50 Which one of the following is C4 plain_________________? Make Sugarcane All the above Sorghum 4 / 50 The negative logarithm of the hydrogen ion concentration, a measure of the acidity of a solution is called_______________? pH Saliruiy Cl EC 5 / 50 The technical name of janter is_________________? S. aphylla Sesbania sesban S. oleaides S. mavretiana 6 / 50 Delta pine variety of cotton was imported in Pakistan in the year______________? 1968 1978 1970 1971 7 / 50 In Bindi, production of foundation seed needs an isolation distance of__________________? 3 meters 200 meters 100 meters 50 meters 8 / 50 Plants having no defined limits of vegetative and reproductive element is called______________? Indeterminate growth Determinate growth Absolute growth Assimilation 9 / 50 Excess of nitrogen to plants causes_________________? Delay in ripening Delay in growth Delay in germination All the above 10 / 50 The wearing away of the land surface by wind, water, ice or other geological agent is called__________________? Soil conservation Seepage fertility depletion Erosion 11 / 50 Who gave the formula for coefficient of velocity of germination ? Moore (1973) Germ (1949) Kotowski (1926) Deloucle & Baskin (1972) 12 / 50 CCRI stands for_______________? non of these Central cotton research institute Center for crop research institute Cotton crop research institute 13 / 50 In cotton the recommended R x R distance is_________________? 90 cm None 75 cm 45 cm 14 / 50 Gassypium herbaceum was originated in______________? Kenya and South Africa Indonesia and Central America Ethipia and South Africa South Mexico and Central America 15 / 50 the layer of atmosphere which blocks ultraviolet radiation from sun is___________________? Ozone Ozosphere All the above Stratosphere 16 / 50 Generally field crops are cultivated at altitude__________________? 20004000 ft 0008000 ft 1200014000 ft 02000 ft 17 / 50 The substance that an enzyme acts upon is known as___________________? None of the above Product Substrate Mycotoxin 18 / 50 Drought is measuring in terms of________________? Yield performance All the above Root length of seeding Photosynthesis 19 / 50 In wheat total crop N uptake per ton of grain is about__________________? 15-20 Kg 70-80 Kg 20-30 Kg 50-60 Kg 20 / 50 Hybrid seeds are developed because they_________________? Produce better crop Are more uniform Provide greater vigour All the above 21 / 50 Which one of the following is a major fiber crop of Pakistan ? Sugarcane Sesame Cotton Jute 22 / 50 In China, cotton was cultivated as a crop in._______________? 4th?century AD 7th?century AD 5th?century AD 10th?century AD 23 / 50 Among the cotton exporting countries the number of China is________________? 4th 2nd 1st 3rd 24 / 50 In fanning system cultivation of two or more crops is known as_______________? Sequential cropping All the above Strip cropping Multiple cropping 25 / 50 Cotton plant has a mode of germination______________? Hypogeal germination Epigeal germination non of these Both of the above 26 / 50 The seed dormancy of rice seed can be broken by putting into the oven at____________________? none of the above 45?c for 6 hrs 53?c for 6 hrs 50?c for 5 hrs 27 / 50 Resistance of plants to living organism is called______________________? Vertical resistance Horizantal resistance Abiotic resistance Biotic resistance 28 / 50 Seed leachate conductivity is significantly higher in seeds having_________________? None of the above Lower shoot weight Higher shoot weight Higher root weight 29 / 50 Cotton is a crop of_______________? Tropical region All None Sub-tropical region 30 / 50 In Sunflower, production of foundation seed requires as isolation distance of__________________? 200 meters 400 meters 800 meters 100 meters 31 / 50 In 1991-92 the record production of cotton in Pakistan was_______________? 1000,000 bales 1100,000 bales 12800,000 bales 1200,000 bales 32 / 50 In pulses, for the production of nucleus seed we require minimum of_________________? 400 plant progenies 500 plant progenies 300 plant progenies 200 plant progenies 33 / 50 Hitting the seed with force against a hard surface to break seed dormancy is called_______________? Impaction Stratification Abrasion Scarification 34 / 50 Plants adopted to arid regions are___________________? Mesophytes Hydrophytes Aridic plants Xerophytes 35 / 50 The major source of foreign exchange earning is________________? Sugarcane Jute Wheat Cotton 36 / 50 Partially decomposed organic matter is termed as___________________? Farm yard manure All the above Humus Composet 37 / 50 The Cotton plant belong to family ? Leguminaceae Fabaceae Gramineae Malvaceae 38 / 50 Seed rate of cotton per acre is________________? 14-21 kg None 10-22 kg 5-6 kg 39 / 50 Wheat is predominantly________________? Apomictie crop Self pollinated crop Often cross pollinated crop Cross pollinated crop 40 / 50 Crop rotation means growing_________________? Growing different crops Growing green manures Same craps Growing fodder crops 41 / 50 Delta of water for cotton crop is________________? 30 acre inches 18 acre inches 25 acre inches non of these 42 / 50 The crops which are grown to reduce the soil erosion and natural losses by leaching is known as______________? Companion crops Mixed crops Cover crops Ratooning crops 43 / 50 Gaseous loss of a substance from the soil or from fertilizer or manure is called_________________? Transpiration Evapotranspiration Volatilization Evaporation 44 / 50 The condition of drying of plant parts due to lack of water is called__________________? None of the above Wilting Water stress Drought 45 / 50 2,4-d is synthetic herbicide derived from_______________? Valine Cytokmins Auxins Amino acid 46 / 50 The management of kind by planting a series of crops, pastures or following to maximize production with sustaining land quality is called_______________? Crop rotation Crop sequence Cropping system Crop management 47 / 50 Organic farming, is a copping system in which__________________? Farm yard manure r not used Green manuring Fertilizers and pesticides are net used Fertilizers and pesticides are widely used 48 / 50 High density grains are found mostly at___________________? Middle of panicle Bottom of panicle Top of panicle All the above 49 / 50 Seed dormancy of nee seeds can be successfully broken by heat treatment at________________? 54?c for 2-6 days 45?c for 3-8 days None of the above 50?c for 3-7 days 50 / 50 Who gave the formula for mean germination time? Baskin (1972) Maguire (1962) Kotowski (1962) Nicolls &Heydecker (1968) Provide Your Information Your score is The average score is 67% LinkedIn Facebook Twitter 0% Restart quiz Send feedback Share on facebook Facebook Share on twitter Twitter Share on whatsapp WhatsApp PrevAgronomy Quiz 1 Agronomy Quiz 3Next
