Agronomy
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Question No. 1 Marks +1 -0 Time
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The term ‘agronomy’ is derived from which two Greek words?
Question No. 2 Marks +1 -0 Time
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Who is known as the 'Father of Agronomy'?
Question No. 3 Marks +1 -0 Time
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Which scientist concluded that water is the main principle of vegetation?
Question No. 4 Marks +1 -0 Time
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Who is recognized as the 'Father of Weed Science'?
Question No. 5 Marks +1 -0 Time
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Which scientist conducted pot culture experiments using materials like poultry dung and gunpowder to improve crop yield?
Question No. 6 Marks +1 -0 Time
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In which year did Justus von Liebig start a truly scientific approach to farming?
Question No. 7 Marks +1 -0 Time
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What is the formula for Leaf Area Index (LAI)?
Question No. 8 Marks +1 -0 Time
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A Land Equivalent Ratio (LER) greater than 1 indicates that:
Question No. 9 Marks +1 -0 Time
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What is the approximate cropping intensity in India?
Question No. 10 Marks +1 -0 Time
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Which practice involves growing different crops in succession on the same land to improve soil fertility and manage pests?
Question No. 11 Marks +1 -0 Time
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How is the Harvesting Index (HI) calculated?
Question No. 12 Marks +1 -0 Time
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The Coefficient of Effectiveness (C.E.) in agronomy is defined as:
Question No. 13 Marks +1 -0 Time
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What causes 'Sorghum sickness' in crop rotations?
Question No. 14 Marks +1 -0 Time
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How can the adverse effects of sorghum residues on a succeeding crop be minimized?
Question No. 15 Marks +1 -0 Time
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What does the term 'Cropping System' refer to?
Question No. 16 Marks +1 -0 Time
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A farmer follows a sorghum crop and notices early nitrogen deficiency symptoms in the succeeding crop. Which practice can best address this issue?
Question No. 17 Marks +1 -0 Time
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A field experiment shows a Leaf Area Index (LAI) of 4. If the total leaf area is 800 m2, what is the ground area?
Question No. 18 Marks +1 -0 Time
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When comparing sole cropping and intercropping, an LER of 1.10 indicates that intercropping yields are:
Question No. 19 Marks +1 -0 Time
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Which cropping method is most effective in managing soil pathogens and conserving moisture over time?
Question No. 20 Marks +1 -0 Time
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What is the direct effect of a wide C:N ratio in sorghum stubbles on a succeeding crop?
Question No. 21 Marks +1 -0 Time
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If a farmer increases cropping intensity above 100%, what does that indicate about the cropping practice?
Question No. 22 Marks +1 -0 Time
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If a field has a total leaf area of 600 m2 and a ground area of 150 m2, what is its LAI?
Question No. 23 Marks +1 -0 Time
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A farmer practices crop rotation by growing 2 crops in 1 year on the same land. What is the crop rotation intensity?
Question No. 24 Marks +1 -0 Time
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If a farm has a net cultivated area of 400 hectares and a total cropping area of 500 hectares, what is its cropping intensity?
Question No. 25 Marks +1 -0 Time
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In evaluating a crop’s partitioning of assimilates, which index best represents the efficiency of conversion of biomass to economic yield?
Question No. 26 Marks +1 -0 Time
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Between pot culture experiments and field trials, which method offers greater control over experimental variables and why?
Question No. 27 Marks +1 -0 Time
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If a farmer continuously grows the same crop on the same land without rotation, what is a likely consequence?
Question No. 28 Marks +1 -0 Time
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If the economic yield of a crop is 3 tonnes and the biological yield is 6 tonnes, what is the Harvest Index (HI)?
Question No. 29 Marks +1 -0 Time
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A researcher tests a new intercropping system where crop A has a sole yield of 100 units and an intercropped yield of 55 units, and crop B has a sole yield of 100 units with an intercropped yield of 60 units. What is the Land Equivalent Ratio (LER) for the system?
Question No. 30 Marks +1 -0 Time
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Comparing historical agronomic practices, which statement best describes Justus von Liebig’s contribution?

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