0% 38 Agronomy Quiz 6 1 / 50 Highly decomposed stage of organic matter is called_______________? Humus All the above Organic acid Cellulose 2 / 50 A method of control of pests in which natural predators and parasites are used without causing serious adverse environmental side effects is called_________________? Insect control IPM Chemical control Allelopathy 3 / 50 Melilotus alba is objectional weed of__________________________? Methi Okra Wee Cucurbits 4 / 50 Tillage is field operation which help in cutting, loosening and inverting the soil for_________________? Irrigation Seed bed preparation Fertilization Transplantation 5 / 50 The higher leachate conductivity is associated with__________________? All the above Mature seeds Abnormal seeds Immature seed? 6 / 50 A gas produced by anaerobic decomposition of organic compounds is called as_________________? Ammonia Methane Ethane CO2 7 / 50 Seeds which dried at low moisture contents and stored at low temperature without loosing their viability are________________? Certified seeds Recalcitrant seeds Active seeds Orthodox seeds 8 / 50 Fertilizer requirements of wheat under medium loamy soil is________________? 136-85 NP kg/ha 100-70 NP kg/ha 75-90 NP kg/ha 110-60 NP kg/ha 9 / 50 In B.T cotton B.T. stands for__________________? Bacillus thuringensis None Bemisia tabaci Bemisia trachyplerus 10 / 50 The actual amount H2O present in the air is called_____________? non of these Absolute humidity Relative humidity Both A and B 11 / 50 Due to phosphorus deficiency in plants____________________? Plants mature late Poor flowering and fruil selling occurs Roots do not develop properly All the above 12 / 50 Major source of sugar in world is_________________? Beet root Water melon Sugarcane Dates 13 / 50 Azolla which fixes nitrogen in rice field is__________________? Bacteria Ferm Fungi None of the above 14 / 50 Partially decomposed organic matter is termed as___________________? Humus Composet All the above Farm yard manure 15 / 50 The role of boron and zinc has been recognized in crop_________________? None of these Sugarcane Rice Mustard 16 / 50 Plants grown in dry region are_________________? Thermophyts Xerophytes Halophytes Mesophytes 17 / 50 In Pakistan the area effected due to water erosion is about_________________? 15 million lva 12 million to 13.05 million lia 22 million ha 18 / 50 Pakistan has a total forest area of about_________________? 22 million ha 32 million ha 12 million ha 20 million ha 19 / 50 Seeds of wheat, paddy and maize showed positive correlation germination (%) and viability (%) as determined by________________? Test of genetic purity of seeds Ageing test Tz test Grow put test 20 / 50 A method of estimating seed vigour on the basis of color intensity o the stained seeds was described by______________? Moore (1973) Kittock and Law (1963) Maguire (1963) Germ and Keitreiber (1954) 21 / 50 The plants which, grow neither in dry nor in wet condition are_______________________? Mesophytes Hydrophytes Xerophytes Amphibiophytes 22 / 50 The ratio of treatment variance to error variance is known as_________________? I-value Correlation Critical difference F-value 23 / 50 Soil water in excess of hygroscopic and capillary water which moves downward through the soil by the force of gravity is called______________? Capillary water Gravitational water Run off water sub-surface water 24 / 50 One of the following insect act as a vector for CLCV________________? Heliothus Jassid White fly Aplud 25 / 50 Main reason behind the shedding of flower in cotton is__________________? Humidity Low temperature Cloudy day High temperature 26 / 50 When the course of water is blocked at some places if is called___________________? River Dam Head works Lake 27 / 50 Losses of soil moisture vapour form is called as_________________? Transpiration Both A and B Translocation Evaporation 28 / 50 The application of fertilizer nutrients in proportions best suited to the needs of the crop is called_________________? Balanced fertilization Nitrogen use efficiency fertilizer use efficiency fertilizer placement 29 / 50 An example of monocot fiber yielding plant is_________________? Clemates Cocos Corchorus Crotalaria 30 / 50 Use of linear measurements of plumule growth as a vigour test was first suggested by_______________? Germ (1949) Woodstock (1976) Baskin (1972) Maguire (1962) 31 / 50 The transport of a substance across a biological membrane against a concentration gradient is called___________________? Passive transport Absorption Active transport Dissolution 32 / 50 Ratio of crop yield to the amount of water utilized is called______________? Crop water use efficiency Soil water use Soil plant water relationship Water intensity 33 / 50 The pH of urea fertilizer is _________________? 3.5 non of these 4 8 34 / 50 Pulling of off- type plants from a cropped field is called___________________? None of the above Pruning Weeding Rouging 35 / 50 Allelochemicals are used as growth regulators and natural pesticides to promote__________________? All Improve agriculture None Sustainable agriculture 36 / 50 Gassypium hirsutum was developed from a cross between________________? G.arbarieum and G.barbadense G.arbarieum and G.thurberii G.arbarieum and G.herbaceum G.arbarieum and G. rainmundii 37 / 50 In 1992-93 the greatest decrease in the production of cotton was due to attack of_____________? American boll worm Aphids CLCV Spotted boll worm 38 / 50 A nutrient element is said to be essential if___________________? Plants can not complete their life cycle in absence of that element Deficiency symptoms can be removed by application of that putrid Nutrients has some physiological function in metabolism of plant All the above 39 / 50 Allclopatluc interactions in general and the allelochemicals in particular are viewed as an important tool for_______________? Weed and pest management non of these Disease and pest management Pest and insect management 40 / 50 The depth of irrigation water required for the full crop period is called_______________? non of these Delta of water Optimum use of water Consuptive use of water 41 / 50 Barani Agriculture institute is located at _________________? Chakwal Rawalpindi Islamabad Peshawar 42 / 50 The root of cotton plant goes up to depth of_________________? 4-6 ft 8-10 ft 2-3 ft non of these 43 / 50 The vegetation found on high altitude mountain is__________________? None of the above Alpine vegetation Conferous vegetation Tundra vegetation 44 / 50 The allelochemicals are broadly classified as_______________? Cytokinin and ethylene non of there Trytophan Phenolics and. terpenoids 45 / 50 A region with an annual rainfall less than 10 inches comes under_________________? And climate Semi-and climate None of the above Wet climate 46 / 50 On the basis of yield of cotton per hectare which of the following country occupies second position______________? non of these China Pakistan Turkey 47 / 50 CLCV stands for__________________? Cotton leaf cover virus cotton leaf cotton virus cotton leaf curl virus cotton leaf complete virus 48 / 50 Botanical name of American cotton is_________________? G. barb dense Non of these G. hirsutum G. arborium 49 / 50 Who gave the formula for speed of germination_______________? Moore (1973) Germ (1949) Baskin (1972) Maguire (1962) 50 / 50 Causal organism of root rot of cotton is_____________________? All Rhizoeionia solani Rhizoctonia bataticola None Provide Your Information Your score is The average score is 65% LinkedIn Facebook Twitter 0% Restart quiz Send feedback Share on facebook Facebook Share on twitter Twitter Share on whatsapp WhatsApp PrevAgronomy Quiz 5 Animal Husbandry Quiz 1Next
