Soil and Plant Analysis MCQs

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1. : Which method is most commonly used to determine soil pH?





2. : Soil texture is determined by the relative proportion of:





3. : The process of measuring cation exchange capacity (CEC) of soil helps to understand:





4. : Which element is estimated in soil using the Kjeldahl method?





5. : The flame photometer is used for estimating:





6. : Which method is widely used for determining available phosphorus in soil?





7. : The Walkley-Black method is used to determine:





8. : Which soil property is measured in EC meter?





9. : High EC in soil indicates:





10. : Soil bulk density is expressed in:





11. : Which nutrient deficiency causes chlorosis in young leaves?





12. : Plant tissue analysis is important for:





13. : Soil color is most commonly determined using:





14. : Which element is determined by EDTA titration method in soil and plant analysis?





15. : The presence of excess sodium in soil causes:





16. : The critical pH below which most crops fail to grow is:





17. : The element essential for chlorophyll formation is:





18. : Which method is used for measuring soil moisture content?





19. : Which nutrient deficiency causes stunted growth and purple leaves in plants?





20. : Plant analysis is usually done on:





21. : A soil sample showing pH > 8.5 is usually:





22. : The nutrient responsible for lodging resistance in cereals is:





23. : Which technique is used for rapid estimation of multiple nutrients in plant tissue?





24. : Which nutrient deficiency causes yellowing at leaf margins in older leaves?





25. : Soil porosity is related to:





26. : The macro-nutrient that is required in the highest quantity by plants is:





27. : Which deficiency causes whitish young leaves (chlorosis) in plants?





28. : Soil fertility refers to:





29. : The nutrient deficiency that leads to delayed flowering is:





30. : Plant nutrients are classified into:





31. : Soil respiration is a measure of:





32. : Which nutrient deficiency causes brown scorching on leaf tips?





33. : The method used to determine soil organic matter is:





34. : Which plant part is best for detecting micronutrient deficiencies?





35. : Deficiency of which element causes poor seed and fruit development?





36. : The soil nutrient zinc is usually measured by:





37. : Which nutrient deficiency leads to stunted growth and yellowing of old leaves?





38. : High soil bulk density generally indicates:





39. : Plant tissue analysis helps in:





40. : The nutrient deficiency responsible for crinkled leaves in plants is:





41. : Soil salinity is commonly measured in units of:





42. : The plant nutrient that is highly mobile in soil is:





43. : The primary macronutrients are:





44. : The secondary macronutrients are:





45. : The most limiting nutrient in many agricultural soils is:





46. : The nutrient responsible for enhancing disease resistance in plants is:





47. : Soil pH influences:





48. : Deficiency of which element causes blossom end rot in tomato?





49. : The nutrient deficiency leading to interveinal chlorosis in older leaves is:





50. : Soil and plant analysis together are useful for:





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