{"id":252323,"date":"2026-09-24T20:27:00","date_gmt":"2026-09-24T14:57:00","guid":{"rendered":"https:\/\/www.oliveboard.in\/blog\/?p=252323"},"modified":"2026-09-25T08:27:26","modified_gmt":"2026-09-25T02:57:26","slug":"soil-science-quiz-for-ibps-so-mains","status":"publish","type":"post","link":"https:\/\/www.oliveboard.in\/blog\/soil-science-quiz-for-ibps-so-mains\/","title":{"rendered":"Soil Science Quiz for IBPS SO Mains, FREE PDF &amp; Live Quiz"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_77 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of content<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.oliveboard.in\/blog\/soil-science-quiz-for-ibps-so-mains\/#Soil_Science_Quiz_for_IBPS_SO_Mains_FREE_Practice_PDF\" >Soil Science Quiz for IBPS SO Mains, FREE Practice PDF<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.oliveboard.in\/blog\/soil-science-quiz-for-ibps-so-mains\/#Soil_Science_Quiz_for_IBPS_SO_Mains_FREE_Live_Quiz\" >Soil Science Quiz for IBPS SO Mains, FREE Live Quiz<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.oliveboard.in\/blog\/soil-science-quiz-for-ibps-so-mains\/#Sign_Up\" >Sign Up<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.oliveboard.in\/blog\/soil-science-quiz-for-ibps-so-mains\/#Login\" >Login<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.oliveboard.in\/blog\/soil-science-quiz-for-ibps-so-mains\/#Forgot_Password\" >Forgot Password<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.oliveboard.in\/blog\/soil-science-quiz-for-ibps-so-mains\/#i\" >&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.oliveboard.in\/blog\/soil-science-quiz-for-ibps-so-mains\/#Sign_Up-2\" >Sign Up<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.oliveboard.in\/blog\/soil-science-quiz-for-ibps-so-mains\/#Login-2\" >Login<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.oliveboard.in\/blog\/soil-science-quiz-for-ibps-so-mains\/#Forgot_Password-2\" >Forgot Password<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.oliveboard.in\/blog\/soil-science-quiz-for-ibps-so-mains\/#i-2\" >&nbsp;<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>Test your preparation with this specialized Soil Science Quiz for IBPS SO Mains, covering important topics such as soil properties, soil fertility, nutrients, soil classification, irrigation, soil conservation, and nutrient management.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-soil-science-quiz-for-ibps-so-mains-free-practice-pdf\"><span class=\"ez-toc-section\" id=\"Soil_Science_Quiz_for_IBPS_SO_Mains_FREE_Practice_PDF\"><\/span>Soil Science Quiz for IBPS SO Mains, FREE Practice PDF<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Prepare with our FREE IBPS SO Mains Soil Science Practice PDF, featuring exam-oriented questions based on important soil science concepts and topics relevant to the Agriculture Professional Knowledge section.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/ibps-so-prep-kit\/?ref=conttm-ibps-so-mains-quiz\" target=\"_blank\" rel=\"noreferrer noopener\">download Soil Science Quiz for IBPS SO Mains, FREE Practice PDF<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-soil-science-quiz-for-ibps-so-mains-free-live-quiz\"><span class=\"ez-toc-section\" id=\"Soil_Science_Quiz_for_IBPS_SO_Mains_FREE_Live_Quiz\"><\/span>Soil Science Quiz for IBPS SO Mains, FREE Live Quiz<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Attempt our FREE IBPS SO Mains Soil Science Live Quiz to practise Soil Science questions in an exam-like environment. The quiz helps you evaluate your preparation and improve speed and accuracy.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n\n<link rel=\"stylesheet\" href=\"https:\/\/courses.oliveboard.in\/edge\/css\/login-modal-for-blog.css\">\n\n<style>\n#quiz-1-sticky-header {\n  position: sticky;\n  top: 0;\n  z-index: 100;\n  background: #1565c0;\n  color: #fff;\n  padding: 12px 20px;\n  border-radius: 10px 10px 0 0;\n  display: flex;\n  justify-content: space-between;\n  align-items: center;\n  font-size: 16px;\n  font-weight: bold;\n  box-shadow: 0 2px 8px rgba(0,0,0,0.2);\n  margin: -20px -20px 20px -20px;\n}\n\n#quiz-1-score-badge {\n  background: rgba(255,255,255,0.2);\n  padding: 4px 12px;\n  border-radius: 20px;\n  font-size: 15px;\n  white-space: nowrap;\n}\n#quiz-1 * { box-sizing: border-box; }\n\n#quiz-1 .quiz-container {\n  max-width: 700px;\n  margin: auto;\n  padding: 20px;\n  background: #fff;\n  border-radius: 14px;\n  box-shadow: 0 6px 16px rgba(0,0,0,0.12);\n}\n\n#quiz-1 h2 {\n  text-align: center;\n}\n\n#quiz-1 .question {\n  margin-bottom: 22px;\n}\n\n#quiz-1 .question p {\n  font-weight: bold;\n}\n\n#quiz-1 button {\n  width: 100%;\n  padding: 12px;\n  margin: 6px 0;\n  border: none;\n  border-radius: 6px;\n  background: #e0e0e0;\n  color: #000;\n  font-size: 16px;\n  cursor: pointer;\n}\n\n#quiz-1 button:hover {\n  background: #d5d5d5;\n}\n\n#quiz-1 button.correct {\n  background: #4caf50;\n  color: #000;\n}\n\n#quiz-1 button.wrong {\n  background: #f44336;\n  color: #000;\n}\n\n#quiz-1 button.locked {\n  pointer-events: none;\n}\n\n\/* SUMMARY *\/\n#quiz-1 .final-summary {\n  margin-top: 40px;\n  padding: 20px;\n  border-radius: 14px;\n  background: #fafafa;\n  border: 2px solid #4caf50;\n}\n\n#quiz-1 .final-summary h3 {\n  text-align: center;\n  margin-bottom: 20px;\n}\n\n#quiz-1 .summary-row {\n  display: grid;\n  grid-template-columns: 120px 1fr 40px;\n  gap: 10px;\n  align-items: center;\n  margin-bottom: 12px;\n  font-weight: bold;\n}\n\n#quiz-1 .summary-bar {\n  height: 14px;\n  background: #ddd;\n  border-radius: 10px;\n  overflow: hidden;\n}\n\n#quiz-1 .bar-fill {\n  height: 100%;\n  width: 0%;\n}\n\n#quiz-1 .bar-attempted { background: #2196f3; }\n#quiz-1 .bar-correct { background: #4caf50; }\n#quiz-1 .bar-wrong { background: #f44336; }\n#quiz-1 .bar-unattempted { background: #9e9e9e; width: 100%; }\n\n#quiz-1 .final-score {\n  text-align: center;\n  font-size: 22px;\n  margin-top: 20px;\n}\n\n#quiz-1 .score-value {\n  font-size: 30px;\n  margin-left: 8px;\n}\n<\/style>\n<\/head>\n\n<body>\n<div id=\"quiz-1\">\n  <div class=\"quiz-container\">\n<div id=\"quiz-1-sticky-header\">\n  <span> IBPS AFO Soil Science Quiz 1 <\/span>\n  <span id=\"quiz-1-score-badge\">Score: <strong id=\"quiz-1-score-value\">0.00<\/strong><\/span>\n<\/div>\n\n    <!-- QUESTIONS -->\n\n<div class=\"question\" data-answered=\"false\">\n  <p>1. Which group of soil organisms proliferates when the soil is rich in organic substrate?<\/p>\n  <button data-correct=\"false\">Biotrophs<\/button>\n  <button data-correct=\"true\">Heterotrophs<\/button>\n  <button data-correct=\"false\">Chemolithotrophs<\/button>\n  <button data-correct=\"false\">Autochthonous organisms<\/button>\n  <button data-correct=\"false\">Autotrophs<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>2. Loam soil is best described as a textural class in which:<\/p>\n  <button data-correct=\"false\">Sand alone exceeds 85%<\/button>\n  <button data-correct=\"false\">Texture is unrelated to sand, silt and clay<\/button>\n  <button data-correct=\"false\">Silt alone exceeds 80%<\/button>\n  <button data-correct=\"true\">Sand, silt and clay are present in balanced proportions, so no single fraction dominates<\/button>\n  <button data-correct=\"false\">Clay alone exceeds 40%<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>3. Phosphate-solubilising bacteria (PSB) increase the availability of which nutrient?<\/p>\n  <button data-correct=\"false\">Nitrogen<\/button>\n  <button data-correct=\"false\">Zinc<\/button>\n  <button data-correct=\"true\">Phosphorus<\/button>\n  <button data-correct=\"false\">Sulphur<\/button>\n  <button data-correct=\"false\">Potassium<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>4. Which culture, multiplied in the laboratory, is used to increase phosphorus availability in soil?<\/p>\n  <button data-correct=\"true\">Pseudomonas striata<\/button>\n  <button data-correct=\"false\">Anabaena<\/button>\n  <button data-correct=\"false\">Azotobacter<\/button>\n  <button data-correct=\"false\">Azospirillum<\/button>\n  <button data-correct=\"false\">Azolla<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>5. The most advanced stage of gully erosion, in which deep, wide channels remove large quantities of soil, is called:<\/p>\n  <button data-correct=\"false\">Splash<\/button>\n  <button data-correct=\"false\">Rill<\/button>\n  <button data-correct=\"false\">Stream-bank erosion<\/button>\n  <button data-correct=\"false\">Sheet<\/button>\n  <button data-correct=\"true\">Ravine<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>6. Organic and inorganic soil colloids suspended in water generally carry a:<\/p>\n  <button data-correct=\"false\">Charge that alternates with time<\/button>\n  <button data-correct=\"true\">Net negative charge<\/button>\n  <button data-correct=\"false\">Net positive charge<\/button>\n  <button data-correct=\"false\">Charge only when dried<\/button>\n  <button data-correct=\"false\">Zero charge<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>7. Which soil type contains a very high amount of organic matter and humus?<\/p>\n  <button data-correct=\"true\">Peat soil<\/button>\n  <button data-correct=\"false\">Arid soil<\/button>\n  <button data-correct=\"false\">Red soil<\/button>\n  <button data-correct=\"false\">Laterite soil<\/button>\n  <button data-correct=\"false\">Desert soil<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>8. Micronutrients such as Fe, Mn, Zn, Cu and Mo function in plants mainly as:<\/p>\n  <button data-correct=\"false\">Energy storage compounds<\/button>\n  <button data-correct=\"false\">Sources of carbon<\/button>\n  <button data-correct=\"false\">Main osmotic regulators<\/button>\n  <button data-correct=\"false\">Major structural components of cell walls<\/button>\n  <button data-correct=\"true\">Constituents or activators of enzymes<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>9. &#8216;Akiochi&#8217; disorder of rice in degraded paddy soils is caused by toxicity of:<\/p>\n  <button data-correct=\"false\">Phosphorus<\/button>\n  <button data-correct=\"false\">Copper<\/button>\n  <button data-correct=\"false\">Iron<\/button>\n  <button data-correct=\"true\">Hydrogen sulphide (H<sub>2<\/sub>S)<\/button>\n  <button data-correct=\"false\">Zinc<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>10. Rock phosphate is most effective as a direct-application P fertilizer in:<\/p>\n  <button data-correct=\"false\">Neutral soils<\/button>\n  <button data-correct=\"false\">Saline soils<\/button>\n  <button data-correct=\"true\">Acidic soils<\/button>\n  <button data-correct=\"false\">Alkaline soils<\/button>\n  <button data-correct=\"false\">Calcareous soils<\/button>\n<\/div>\n\n    <!-- FINAL SUMMARY -->\n    <div class=\"final-summary\">\n      <h3>Quiz Summary <\/h3>\n\n      <div class=\"summary-row\">\n        <span>Attempted<\/span>\n        <div class=\"summary-bar\"><div class=\"bar-fill bar-attempted\" data-summary=\"attempted\"><\/div><\/div>\n        <span data-count=\"attempted\">0<\/span>\n      <\/div>\n\n      <div class=\"summary-row\">\n        <span>Correct<\/span>\n        <div class=\"summary-bar\"><div class=\"bar-fill bar-correct\" data-summary=\"correct\"><\/div><\/div>\n        <span data-count=\"correct\">0<\/span>\n      <\/div>\n\n      <div class=\"summary-row\">\n        <span>Wrong<\/span>\n        <div class=\"summary-bar\"><div class=\"bar-fill bar-wrong\" data-summary=\"wrong\"><\/div><\/div>\n        <span data-count=\"wrong\">0<\/span>\n      <\/div>\n\n      <div class=\"summary-row\">\n        <span>Unattempted<\/span>\n        <div class=\"summary-bar\"><div class=\"bar-fill bar-unattempted\" data-summary=\"unattempted\"><\/div><\/div>\n        <span data-count=\"unattempted\">0<\/span>\n      <\/div>\n\n      <div class=\"final-score\">\n        Final Score: <span class=\"score-value\" data-score>0.0<\/span>\n      <\/div>\n    <\/div>\n\n  <\/div>\n<\/div>\n<div class=\"modal modal-obls\" id=\"modal-signup\">\n        <div class=\"modal-background\"><\/div>\n        <div class=\"modal-content\">\n           <div class=\"obls-group\" id=\"obls-group1\">\n               <div class=\"obls-blk\">\n                   <span class=\"img-box\"><img decoding=\"async\" src=\"\/img\/img-delivery.svg\" alt=\"\"><\/span>\n 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}\n    catch { return {}; }\n  }\n\n  function saveState(data) {\n    sessionStorage.setItem(STORAGE_KEY, JSON.stringify(data));\n  }\n\n  function updateUI() {\n    const unattempted = total - attempted;\n    quizContainer.querySelector('[data-count=\"attempted\"]').textContent = attempted;\n    quizContainer.querySelector('[data-count=\"correct\"]').textContent = correct;\n    quizContainer.querySelector('[data-count=\"wrong\"]').textContent = wrong;\n    quizContainer.querySelector('[data-count=\"unattempted\"]').textContent = unattempted;\n    quizContainer.querySelector('[data-summary=\"attempted\"]').style.width = (attempted \/ total) * 100 + \"%\";\n    quizContainer.querySelector('[data-summary=\"correct\"]').style.width = (correct \/ total) * 100 + \"%\";\n    quizContainer.querySelector('[data-summary=\"wrong\"]').style.width = (wrong \/ total) * 100 + \"%\";\n    quizContainer.querySelector('[data-summary=\"unattempted\"]').style.width = (unattempted \/ total) * 100 + \"%\";\n    quizContainer.querySelector('[data-score]').textContent = score.toFixed(2);\n\n    \/\/ Live score update in sticky header\n    document.getElementById('quiz-1-score-value').textContent = score.toFixed(2);\n  }\n\n  function restoreQuestion(q, chosenIndex, wasCorrect) {\n    q.dataset.answered = \"true\";\n    const buttons = q.querySelectorAll(\"button\");\n    buttons.forEach(b => b.classList.add(\"locked\"));\n    if (wasCorrect) {\n      buttons[chosenIndex].classList.add(\"correct\");\n    } else {\n      buttons[chosenIndex].classList.add(\"wrong\");\n      q.querySelector(\"[data-correct='true']\").classList.add(\"correct\");\n    }\n  }\n\n  \/\/ Restore saved answers on page load\n  const savedAnswers = loadState();\nquestions.forEach((q, qIndex) => {\n    const saved = savedAnswers[qIndex];\n    if (saved !== undefined) {\n      attempted++;\n      if (saved.correct) { correct++; }\n      else { wrong++; }\n      restoreQuestion(q, saved.chosenIndex, saved.correct);\n    }\n  });\n  score = parseFloat((correct * 1 - wrong * 0.25).toFixed(2));\n  updateUI();\n\n  \/\/ Attach click handlers\n  questions.forEach((q, qIndex) => {\n    q.querySelectorAll(\"button\").forEach((btn, btnIndex) => {\n      btn.addEventListener(\"click\", () => {\n        if (q.dataset.answered === \"true\") return;\n        q.dataset.answered = \"true\";\n        attempted++;\n\n        if (attempted > 5 && l_log == 0) {\n          $('#modal-signup').addClass('is-active');\n        }\n\n        q.querySelectorAll(\"button\").forEach(b => b.classList.add(\"locked\"));\n        const isCorrect = btn.dataset.correct === \"true\";\n\n if (isCorrect) {\n          btn.classList.add(\"correct\");\n          correct++;\n        } else {\n          btn.classList.add(\"wrong\");\n          wrong++;\n          q.querySelector(\"[data-correct='true']\").classList.add(\"correct\");\n        }\n        score = parseFloat((correct * 1 - wrong * 0.25).toFixed(2));\n\n        savedAnswers[qIndex] = { chosenIndex: btnIndex, correct: isCorrect };\n        saveState(savedAnswers);\n        updateUI();\n      });\n    });\n  });\n\n  updateUI();\n})();\n<\/script>\n\n<\/body>\n<\/html>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/ibps-so-pyps\/?ref=conttm-ibps-so-mains-quiz\" target=\"_blank\" rel=\"noreferrer noopener\">download IBPS SO PYPs for each post<\/a><\/div>\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n\n<link rel=\"stylesheet\" href=\"https:\/\/courses.oliveboard.in\/edge\/css\/login-modal-for-blog.css\">\n\n<style>\n#quiz-2-sticky-header {\n  position: sticky;\n  top: 0;\n  z-index: 100;\n  background: #1565c0;\n  color: #fff;\n  padding: 12px 20px;\n  border-radius: 10px 10px 0 0;\n  display: flex;\n  justify-content: space-between;\n  align-items: center;\n  font-size: 16px;\n  font-weight: bold;\n  box-shadow: 0 2px 8px rgba(0,0,0,0.2);\n  margin: -20px -20px 20px -20px;\n}\n\n#quiz-2-score-badge {\n  background: rgba(255,255,255,0.2);\n  padding: 4px 12px;\n  border-radius: 20px;\n  font-size: 15px;\n  white-space: nowrap;\n}\n#quiz-2 * { box-sizing: border-box; }\n\n#quiz-2 .quiz-container {\n  max-width: 700px;\n  margin: auto;\n  padding: 20px;\n  background: #fff;\n  border-radius: 14px;\n  box-shadow: 0 6px 16px rgba(0,0,0,0.12);\n}\n\n#quiz-2 h2 {\n  text-align: center;\n}\n\n#quiz-2 .question {\n  margin-bottom: 22px;\n}\n\n#quiz-2 .question p {\n  font-weight: bold;\n}\n\n#quiz-2 button {\n  width: 100%;\n  padding: 12px;\n  margin: 6px 0;\n  border: none;\n  border-radius: 6px;\n  background: #e0e0e0;\n  color: #000;\n  font-size: 16px;\n  cursor: pointer;\n}\n\n#quiz-2 button:hover {\n  background: #d5d5d5;\n}\n\n#quiz-2 button.correct {\n  background: #4caf50;\n  color: #000;\n}\n\n#quiz-2 button.wrong {\n  background: #f44336;\n  color: #000;\n}\n\n#quiz-2 button.locked {\n  pointer-events: none;\n}\n\n\/* SUMMARY *\/\n#quiz-2 .final-summary {\n  margin-top: 40px;\n  padding: 20px;\n  border-radius: 14px;\n  background: #fafafa;\n  border: 2px solid #4caf50;\n}\n\n#quiz-2 .final-summary h3 {\n  text-align: center;\n  margin-bottom: 20px;\n}\n\n#quiz-2 .summary-row {\n  display: grid;\n  grid-template-columns: 120px 1fr 40px;\n  gap: 10px;\n  align-items: center;\n  margin-bottom: 12px;\n  font-weight: bold;\n}\n\n#quiz-2 .summary-bar {\n  height: 14px;\n  background: #ddd;\n  border-radius: 10px;\n  overflow: hidden;\n}\n\n#quiz-2 .bar-fill {\n  height: 100%;\n  width: 0%;\n}\n\n#quiz-2 .bar-attempted { background: #2196f3; }\n#quiz-2 .bar-correct { background: #4caf50; }\n#quiz-2 .bar-wrong { background: #f44336; }\n#quiz-2 .bar-unattempted { background: #9e9e9e; width: 100%; }\n\n#quiz-2 .final-score {\n  text-align: center;\n  font-size: 22px;\n  margin-top: 20px;\n}\n\n#quiz-2 .score-value {\n  font-size: 30px;\n  margin-left: 8px;\n}\n<\/style>\n<\/head>\n\n<body>\n<div id=\"quiz-2\">\n  <div class=\"quiz-container\">\n<div id=\"quiz-2-sticky-header\">\n  <span> IBPS AFO Soil Science Quiz 2 <\/span>\n  <span id=\"quiz-2-score-badge\">Score: <strong id=\"quiz-2-score-value\">0.00<\/strong><\/span>\n<\/div>\n\n    <!-- QUESTIONS -->\n\n<div class=\"question\" data-answered=\"false\">\n  <p>11. Which plant is used as an indicator of boron deficiency?<\/p>\n  <button data-correct=\"true\">Sunflower<\/button>\n  <button data-correct=\"false\">Potato<\/button>\n  <button data-correct=\"false\">Onion<\/button>\n  <button data-correct=\"false\">Wheat<\/button>\n  <button data-correct=\"false\">Pearl millet<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>12. The cheapest and most commonly used amendment for reclamation of sodic soils is:<\/p>\n  <button data-correct=\"false\">Ammonium nitrate<\/button>\n  <button data-correct=\"false\">Lime<\/button>\n  <button data-correct=\"false\">Iron pyrite<\/button>\n  <button data-correct=\"false\">Ammonium sulphate<\/button>\n  <button data-correct=\"true\">Gypsum<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>13. Irrigation water contains Na<sup>+<\/sup>, Ca<sup>2+<\/sup> and Mg<sup>2+<\/sup> at 20, 10 and 8 me\/L respectively. Its Sodium Adsorption Ratio (SAR) is:<\/p>\n  <button data-correct=\"false\">4.00<\/button>\n  <button data-correct=\"false\">5.10<\/button>\n  <button data-correct=\"false\">6.00<\/button>\n  <button data-correct=\"true\">6.67<\/button>\n  <button data-correct=\"false\">9.43<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>14. The soil and water conservation measure most suited to steep hilly and mountainous slopes is:<\/p>\n  <button data-correct=\"false\">Mulching<\/button>\n  <button data-correct=\"true\">Bench terracing<\/button>\n  <button data-correct=\"false\">Contour bunding<\/button>\n  <button data-correct=\"false\">Graded bunding<\/button>\n  <button data-correct=\"false\">Strip cropping<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>15. The study of soil in relation to plant growth and crop production is called:<\/p>\n  <button data-correct=\"false\">Pedology<\/button>\n  <button data-correct=\"false\">Geomorphology<\/button>\n  <button data-correct=\"true\">Edaphology<\/button>\n  <button data-correct=\"false\">Mineralogy<\/button>\n  <button data-correct=\"false\">Petrology<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>16. The largest and most important soil group of India by area is:<\/p>\n  <button data-correct=\"false\">Desert soil<\/button>\n  <button data-correct=\"false\">Laterite soil<\/button>\n  <button data-correct=\"false\">Black soil<\/button>\n  <button data-correct=\"true\">Alluvial soil<\/button>\n  <button data-correct=\"false\">Red soil<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>17. Black cotton soils of the Deccan Plateau, which shrink and swell with changes in moisture, belong to the soil order:<\/p>\n  <button data-correct=\"false\">Entisols<\/button>\n  <button data-correct=\"false\">Alfisols<\/button>\n  <button data-correct=\"false\">Inceptisols<\/button>\n  <button data-correct=\"false\">Aridisols<\/button>\n  <button data-correct=\"true\">Vertisols<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>18. Laterite soils are reddish mainly because they are rich in:<\/p>\n  <button data-correct=\"false\">Sulphur and zinc<\/button>\n  <button data-correct=\"false\">Calcium and magnesium<\/button>\n  <button data-correct=\"true\">Oxides of iron and aluminium<\/button>\n  <button data-correct=\"false\">Potassium and sodium<\/button>\n  <button data-correct=\"false\">Nitrogen and phosphorus<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>19. The most highly weathered soil order, dominated by Fe and Al oxides, is:<\/p>\n  <button data-correct=\"true\">Oxisols<\/button>\n  <button data-correct=\"false\">Inceptisols<\/button>\n  <button data-correct=\"false\">Mollisols<\/button>\n  <button data-correct=\"false\">Histosols<\/button>\n  <button data-correct=\"false\">Entisols<\/button>\n<\/div>\n\n<div class=\"question\" data-answered=\"false\">\n  <p>20. The basic unit of soil classification is the:<\/p>\n  <button data-correct=\"false\">Soil order<\/button>\n  <button data-correct=\"true\">Soil series<\/button>\n  <button data-correct=\"false\">Great group<\/button>\n  <button data-correct=\"false\">Suborder<\/button>\n  <button data-correct=\"false\">Family<\/button>\n<\/div>\n\n    <!-- FINAL SUMMARY -->\n    <div class=\"final-summary\">\n      <h3>Quiz Summary <\/h3>\n\n      <div class=\"summary-row\">\n        <span>Attempted<\/span>\n        <div class=\"summary-bar\"><div class=\"bar-fill bar-attempted\" data-summary=\"attempted\"><\/div><\/div>\n        <span data-count=\"attempted\">0<\/span>\n      <\/div>\n\n      <div class=\"summary-row\">\n        <span>Correct<\/span>\n        <div class=\"summary-bar\"><div class=\"bar-fill bar-correct\" data-summary=\"correct\"><\/div><\/div>\n        <span data-count=\"correct\">0<\/span>\n      <\/div>\n\n      <div class=\"summary-row\">\n        <span>Wrong<\/span>\n        <div class=\"summary-bar\"><div class=\"bar-fill bar-wrong\" data-summary=\"wrong\"><\/div><\/div>\n        <span data-count=\"wrong\">0<\/span>\n      <\/div>\n\n      <div class=\"summary-row\">\n        <span>Unattempted<\/span>\n        <div class=\"summary-bar\"><div class=\"bar-fill bar-unattempted\" data-summary=\"unattempted\"><\/div><\/div>\n        <span data-count=\"unattempted\">0<\/span>\n      <\/div>\n\n      <div class=\"final-score\">\n        Final Score: <span class=\"score-value\" data-score>0.0<\/span>\n      <\/div>\n    <\/div>\n\n  <\/div>\n<\/div>\n<div class=\"modal modal-obls\" id=\"modal-signup\">\n        <div class=\"modal-background\"><\/div>\n        <div class=\"modal-content\">\n           <div class=\"obls-group\" id=\"obls-group1\">\n               <div class=\"obls-blk\">\n                   <span class=\"img-box\"><img decoding=\"async\" src=\"\/img\/img-delivery.svg\" alt=\"\"><\/span>\n                   <h2 id=\"display-register-text\"><span class=\"ez-toc-section\" id=\"Sign_Up-2\"><\/span>Sign Up<span class=\"ez-toc-section-end\"><\/span><\/h2>\n                   <div class=\"loginas-group loginas-group1 loginas-group-single\">\n <div id=\"g_id_onload\" data-client_id=\"506321490093-i3j96ah9gn1sv3khntnd1rnv5jebt5j4.apps.googleusercontent.com\" ,=\"\" data-use_fedcm_for_prompt=\"true\" data-callback=\"handleOnetapResponse\">\n    <\/div>\n    <div class=\"g_id_signin\" data-type=\"standard\"><div class=\"S9gUrf-YoZ4jf\" style=\"position: relative;\"><div><\/div><iframe src=\"https:\/\/accounts.google.com\/gsi\/button?type=standard&amp;is_fedcm_supported=true&amp;client_id=506321490093-i3j96ah9gn1sv3khntnd1rnv5jebt5j4.apps.googleusercontent.com&amp;iframe_id=gsi_437394_8652&amp;cas=pwXumGxyCMNtIbjaV30qchi2A1vUar%2Faz%2FOE5HQ%2B0Zc\" class=\"L5Fo6c-PQbLGe\" allow=\"identity-credentials-get\" id=\"gsi_437394_8652\" title=\"Sign in with Google Button\" style=\"display: block; position: relative; top: 0px; left: 0px; height: 44px; width: 204px; border: 0px; margin: -2px -10px;\"><\/iframe><\/div><\/div>\n                   <\/div>\n                   <h6 class=\"signup-subheader\">Or, register with email<\/h6>\n                   <label class=\"errormsg txt-red courseUp\"><\/label>\n                   <div class=\"formcontrol-group\">\n                        <span class=\"icon\"><img decoding=\"async\" src=\"\/img\/ic-mail.svg\" alt=\"\"><\/span>\n                        <input type=\"email\" name=\"email\" class=\"formcontrol ob-inputfield\" id=\"course-uemail\" required=\"\">\n                        <span class=\"floating-label\" style=\"top: 19px; font-size: 12px;\">Email Id<\/span>\n                   <\/div>\n                   <div class=\"formcontrol-group\">\n                        <span class=\"icon\"><img decoding=\"async\" src=\"\/img\/ic-mobile-black.svg\" alt=\"\"><\/span>\n                        <input type=\"text\" maxlength=\"10\" name=\"monum\" class=\"formcontrol ob-inputfield\" 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Live Quiz<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/internet-and-web\/\">IBPS SO IT Officer Networking Quiz 2026, FREE PDF &amp; Live Quiz<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/database-management-systems-dbms-quiz\/\">IBPS SO IT Officer DBMS Quiz 2026, FREE PDF &amp; Quiz<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/agricultural-economics-quiz-for-ibps-so-mains\/\">Agricultural Economics Quiz for IBPS SO Mains, FREE PDF &amp; Live Quiz<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/animal-husbandry-quiz-for-ibps-so-mains\/\">Animal Husbandry Quiz for IBPS SO Mains, FREE PDF &amp; Live Quiz<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/soil-science-quiz-for-ibps-so-mains\/\">Soil Science Quiz for IBPS SO Mains, FREE PDF &amp; Live Quiz<\/a><\/li>\n<\/ul>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n","protected":false},"excerpt":{"rendered":"<p>Test your preparation with this specialized Soil Science Quiz for IBPS SO Mains, covering important topics such as soil properties,<\/p>\n","protected":false},"author":60,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,31,10225,45],"tags":[46,18876],"class_list":["post-252323","post","type-post","status-publish","format-standard","hentry","category-articles","category-bank-exams","category-ibps","category-ibps-so","tag-ibps-so","tag-soil-science-quiz-for-ibps-so-mains","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.6 (Yoast SEO v26.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Soil Science Quiz for IBPS SO Mains, FREE PDF &amp; 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