{"id":21475,"date":"2025-09-23T13:51:17","date_gmt":"2025-09-23T08:21:17","guid":{"rendered":"https:\/\/agriculturereview.com\/?p=21475"},"modified":"2025-09-23T13:51:23","modified_gmt":"2025-09-23T08:21:23","slug":"lea-reviewer-soil-science-mcqs-with-answers","status":"publish","type":"post","link":"https:\/\/agriculturereview.com\/hi\/lea-reviewer-soil-science-mcqs-with-answers\/","title":{"rendered":"LEA Reviewer: Soil Science MCQs with Answers"},"content":{"rendered":"\n<p>Hey students, preparing for your upcoming <a href=\"https:\/\/agriculturereview.com\/prc-licensure-exam-animal-science-reviewer\/\" data-type=\"post\" data-id=\"20810\" target=\"_blank\" rel=\"noreferrer noopener\">agriculture examinations<\/a> such as PRC LEA, UPSC, ICAR JRF, etc. but confused about whether your preparation is going well or not? Well, no more! At Agriculture Review, we keep updating new test series based on previous years\u2019 questions of the Examination for Agriculturists.<\/p>\n\n\n\n<p>In this test, you have to attempt 50 questions from the Soil Science subject. Attempting all questions is necessary to identify your strengths and weaknesses. After completing the test, you can <strong>take a screenshot of your result<\/strong> for future reference and compare it with past performances. To stay updated with regular test series, <strong>click on the bell icon<\/strong> at the bottom left corner of the screen.<\/p>\n\n\n\n<!-- Guidelines card for LEA MCQ page -->\n<style>\n  .guidelines-card{\n    max-width:780px;\n    margin:18px auto;\n    border-radius:12px;\n    box-shadow:0 6px 18px rgba(0,0,0,0.08);\n    padding:18px;\n    background: linear-gradient(180deg, #ffffff 0%, #fbfbff 100%);\n    border:1px solid rgba(99,102,241,0.06);\n  }\n  .guidelines-card h3{margin:0 0 8px 0; font-size:1.18rem; color:#1f2937}\n  .guidelines-card p.lead{margin:0 0 12px 0; color:#374151}\n  .guidelines-list{padding-left:18px; margin:0 0 12px 0}\n  .guidelines-list li{margin:8px 0; line-height:1.5}\n  .tip{background:#f8fafc; border-left:4px solid #6366f1; padding:10px 12px; border-radius:6px; color:#111827}\n  .meta{font-size:0.9rem; color:#6b7280; margin-top:12px}\n  @media (max-width:640px){.guidelines-card{padding:14px}}\n<\/style>\n\n<div class=\"guidelines-card\" role=\"region\" aria-label=\"Guidelines for attempting LEA Animal Science MCQs\">\n  <h3>\ud83d\udcd8 How to Attempt These LEA Based MCQs<\/h3>\n  <p class=\"lead\">Follow these simple steps to simulate exam conditions, boost accuracy, and learn from mistakes effectively.<\/p>\n\n  <ol class=\"guidelines-list\">\n    <li><strong>Read each question carefully.<\/strong> Look for keywords like <em>&#8220;primary,&#8221;<\/em> <em>&#8220;most common,&#8221;<\/em> or <em>&#8220;best suited.&#8221;<\/em><\/li>\n    <li><strong>Use the elimination method.<\/strong> Cross out obviously wrong options first to narrow choices.<\/li>\n    <li><strong>Time management:<\/strong> Aim for <strong>1 minute per question<\/strong> (total 50 minutes). Mark hard questions and return to them later.<\/li>\n    <li><strong>Think conceptually.<\/strong> LEA questions often test application \u2014 ask yourself why an answer fits.<\/li>\n    <li><strong>Keep calculations minimal.<\/strong> Most MCQs are conceptual; when calculations appear, write steps clearly.<\/li>\n    <li><strong>After finishing, review answers.<\/strong> Check the answer key only after completing the whole test to assess time and accuracy.<\/li>\n    <li><strong>Create a revision list.<\/strong> Note down topics you missed and review them in short, focused sessions.<\/li>\n  <\/ol>\n\n  <div class=\"tip\">\n    <strong>Quick tips:<\/strong>\n    <ul style=\"margin:8px 0 0 18px;\">\n      <li>Answer easy questions first to secure marks quickly.<\/li>\n      <li>For disease questions, remember causative agents (virus\/bacteria\/protozoa) and prevention methods (vaccination\/biosecurity).<\/li>\n      <li>Memorize common breeds, top-producing regions, and key lab tests (e.g., CMT for mastitis).<\/li>\n    <\/ul>\n  <\/div>\n\n  <p class=\"meta\">Tip: Repeat the quiz weekly and track progress. Consistent practice beats last-minute cramming.<\/p>\n<\/div>\n\n\n\n<p>You can also <strong>join our Facebook Broadcast Channel<\/strong>, where we regularly share newly updated questions. All the best for today\u2014I hope you become a registered Agriculturist soon!<\/p>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns21475_4578f9-f5{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns21475_4578f9-f5 .kt-button{font-weight:normal;font-style:normal;}.kt-btns21475_4578f9-f5 .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns21475_4578f9-f5 .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns21475_4578f9-f5 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns21475_4578f9-f5 .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns21475_4578f9-f5 .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns21475_4578f9-f5 .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns21475_4578f9-f5 .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns21475_4578f9-f5\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn21475_8d994e-fc.kb-button{width:initial;}.wp-block-kadence-advancedbtn .kb-btn21475_8d994e-fc.kb-button{border-top-left-radius:50px;border-top-right-radius:50px;border-bottom-right-radius:50px;border-bottom-left-radius:50px;}<\/style><a class=\"kb-button kt-button button kb-btn21475_8d994e-fc kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-fill  kt-btn-has-text-true kt-btn-has-svg-false  wp-block-kadence-singlebtn\" href=\"https:\/\/www.messenger.com\/channel\/reviewagriculture\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"kt-btn-inner-text\"><strong>JOIN BROADCAST CHANNEL<\/strong><\/span><\/a><\/div>\n\n\n<style>.kb-image21475_917a12-58 .kb-image-has-overlay:after{opacity:0.3;border-top-left-radius:5px;border-top-right-radius:5px;border-bottom-right-radius:5px;border-bottom-left-radius:5px;}.kb-image21475_917a12-58 img.kb-img, .kb-image21475_917a12-58 .kb-img img{border-top-left-radius:5px;border-top-right-radius:5px;border-bottom-right-radius:5px;border-bottom-left-radius:5px;filter:drop-shadow(0px 0px 14px rgba(0, 0, 0, 0.2));}<\/style>\n<figure class=\"wp-block-kadence-image kb-image21475_917a12-58 size-large\"><a href=\"https:\/\/agriculturereview.com\/wp-content\/uploads\/2025\/09\/lea-reviewer-soil-science-mcqs-with-answers.webp\" class=\"kb-advanced-image-link\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/agriculturereview.com\/wp-content\/uploads\/2025\/09\/lea-reviewer-soil-science-mcqs-with-answers-1024x512.webp\" alt=\"lea-reviewer-soil-science-mcqs-with-answers\" class=\"kb-img wp-image-21477\" srcset=\"https:\/\/agriculturereview.com\/wp-content\/uploads\/2025\/09\/lea-reviewer-soil-science-mcqs-with-answers-1024x512.webp 1024w, https:\/\/agriculturereview.com\/wp-content\/uploads\/2025\/09\/lea-reviewer-soil-science-mcqs-with-answers-300x150.webp 300w, https:\/\/agriculturereview.com\/wp-content\/uploads\/2025\/09\/lea-reviewer-soil-science-mcqs-with-answers-768x384.webp 768w, https:\/\/agriculturereview.com\/wp-content\/uploads\/2025\/09\/lea-reviewer-soil-science-mcqs-with-answers-18x9.webp 18w, https:\/\/agriculturereview.com\/wp-content\/uploads\/2025\/09\/lea-reviewer-soil-science-mcqs-with-answers-600x300.webp 600w, https:\/\/agriculturereview.com\/wp-content\/uploads\/2025\/09\/lea-reviewer-soil-science-mcqs-with-answers-150x75.webp 150w, https:\/\/agriculturereview.com\/wp-content\/uploads\/2025\/09\/lea-reviewer-soil-science-mcqs-with-answers.webp 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"UTF-8\" \/>\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\/>\n  <title>Soil Science MCQs<\/title>\n\n  <!-- \u2705 Font Awesome -->\n  <link rel=\"stylesheet\" href=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/font-awesome\/6.5.0\/css\/all.min.css\"\/>\n  <!-- \u2705 html2canvas for screenshot -->\n  <script src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/html2canvas\/1.4.1\/html2canvas.min.js\"><\/script>\n\n  <style>\n   \n\n    .quiz-container { \n      margin: 0 auto; \n      padding: 20px; \n      max-width: 800px; \n    }\n\n    .quiz-header h2 { \n      text-align: center; \n      margin-bottom: 30px; \n      font-size: clamp(18px, 4vw, 28px); \n    }\n\n    .quiz-question { \n      margin-bottom: 25px; \n      padding: 20px; \n      border-left: 5px solid #2b4d09; \n      background: #fff; \n      border-radius: 10px; \n    }\n\n    \/* \u2705 Bold Questions *\/\n    .quiz-question p {\n      font-weight: bold;\n      font-size: clamp(15px, 3vw, 20px);\n      margin-bottom: 12px;\n    }\n\n    .quiz-options { \n      list-style: none; \n      padding: 0 0 0 10px; \/* \u2705 Slight indent for answers *\/\n    }\n\n    .quiz-options label { \n      display: block; \n      padding: 10px; \n      border: 1px solid #ccc; \n      border-radius: 6px; \n      margin-bottom: 10px; \n      cursor: pointer; \n      font-size: clamp(14px, 2.5vw, 17px); \n      background: #fafafa;\n    }\n\n    .quiz-options input[type=\"radio\"] { \n      margin-right: 10px; \n    }\n\n    .quiz-options label:hover, \n    .quiz-options input[type=\"radio\"]:checked + label { \n      background: #e6f4ea; \n      border-color: #2b4d09; \n    }\n\n    .quiz-button { \n      background: #2b4d09; \n      color: #fff; \n      padding: 12px 25px; \n      font-size: clamp(14px, 3vw, 18px); \n      border: none; \n      border-radius: 50px; \n      cursor: pointer; \n      display: block; \n      margin: 30px auto 0; \n    }\n\n    .quiz-button:hover { \n      background: #f7cd0d; \n    }\n\n    .result-container { \n      margin-top: 30px; \n      padding: 20px; \n      background: #fff; \n      border-radius: 10px; \n      display: none; \n      box-shadow: 0 2px 10px rgba(0,0,0,0.05); \n    }\n\n    .result-header h2 { \n      text-align: center; \n      margin-bottom: 20px; \n      font-size: clamp(16px, 3.5vw, 24px);\n    }\n\n    .result-score { \n      font-size: clamp(15px, 3vw, 20px); \n      font-weight: bold; \n      text-align: center; \n      margin-bottom: 15px; \n    }\n\n    .result { \n      padding: 10px; \n      margin-bottom: 10px; \n      border-radius: 6px; \n      font-size: clamp(14px, 2.5vw, 17px);\n    }\n\n    .correct { background: #d4edda; color: #155724; }\n    .incorrect { background: #f8d7da; color: #721c24; }\n\n    .result-share { \n      text-align: center; \n      margin-top: 25px; \n    }\n\n    .share-buttons { \n      display: flex; \n      justify-content: center; \n      gap: 10px; \n      margin-top: 10px; \n    }\n\n    .share-buttons a { \n      display: flex; \n      align-items: center; \n      justify-content: center; \n      width: 45px; \n      height: 45px; \n      border-radius: 50%; \n      color: #fff; \n      font-size: 20px; \n      text-decoration: none; \n    }\n\n    .share-facebook { background: #3b5998; }\n    .share-whatsapp { background: #25D366; }\n    .share-link { background: #555; }\n    .share-buttons a:hover { opacity: 0.8; }\n  <\/style>\n<\/head>\n<body>\n\n  <div class=\"quiz-container\">\n    <div class=\"quiz-header\">\n      <h2>Soil Science MCQs<\/h2>\n    <\/div>\n\n    <form id=\"quiz-form\">\n      <!-- Group 1: Questions 1\u201310 -->\n<!-- Question 1 -->\n<div class=\"quiz-question\">\n  <p>1. Which of the following factors is NOT part of the CLORPT model of soil formation?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q1\" value=\"A\"> a) Climate<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q1\" value=\"B\"> b) Organisms<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q1\" value=\"C\"> c) Parent material<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q1\" value=\"D\"> d) Tillage<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 2 -->\n<div class=\"quiz-question\">\n  <p>2. In a soil profile, which horizon is typically richest in organic matter and is the topmost mineral horizon?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q2\" value=\"A\"> a) O horizon<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q2\" value=\"B\"> b) A horizon<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q2\" value=\"C\"> c) B horizon<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q2\" value=\"D\"> d) C horizon<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 3 -->\n<div class=\"quiz-question\">\n  <p>3. Which soil texture class contains the highest proportion of clay-sized particles?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q3\" value=\"A\"> a) Sandy loam<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q3\" value=\"B\"> b) Silty loam<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q3\" value=\"C\"> c) Clay<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q3\" value=\"D\"> d) Loamy sand<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 4 -->\n<div class=\"quiz-question\">\n  <p>4. Which of the following is the primary cause of soil acidity in many tropical upland soils?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q4\" value=\"A\"> a) High carbonate content of parent material<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q4\" value=\"B\"> b) Leaching of basic cations under high rainfall<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q4\" value=\"C\"> c) Excessive liming<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q4\" value=\"D\"> d) High sodium adsorption ratio (SAR)<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 5 -->\n<div class=\"quiz-question\">\n  <p>5. Which of the following measurements expresses the soil&#8217;s ability to retain cations?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q5\" value=\"A\"> a) Bulk density<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q5\" value=\"B\"> b) Cation exchange capacity (CEC)<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q5\" value=\"C\"> c) Electrical conductivity (EC)<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q5\" value=\"D\"> d) Percent base saturation<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 6 -->\n<div class=\"quiz-question\">\n  <p>6. Which form of phosphorus is commonly measured as &#8220;available P&#8221; in alkaline soils using the Olsen method?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q6\" value=\"A\"> a) H\u2082PO\u2084\u207b (dihydrogen phosphate)<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q6\" value=\"B\"> b) PO\u2084\u00b3\u207b (orthophosphate)<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q6\" value=\"C\"> c) Organic P only<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q6\" value=\"D\"> d) Condensed polyphosphates<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 7 -->\n<div class=\"quiz-question\">\n  <p>7. Which of the following soil conservation practices is most effective in reducing gully formation on steep slopes?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q7\" value=\"A\"> a) Contour plowing<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q7\" value=\"B\"> b) Strip cropping<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q7\" value=\"C\"> c) Construction of terraces<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q7\" value=\"D\"> d) Reduced tillage<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 8 -->\n<div class=\"quiz-question\">\n  <p>8. Which soil order is typically deep, highly weathered, and common in humid tropical regions including parts of the Philippines?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q8\" value=\"A\"> a) Mollisols<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q8\" value=\"B\"> b) Ultisols<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q8\" value=\"C\"> c) Aridisols<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q8\" value=\"D\"> d) Gelisols<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 9 -->\n<div class=\"quiz-question\">\n  <p>9. Which microorganism group is primarily responsible for biological nitrogen fixation in legume root nodules?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q9\" value=\"A\"> a) Mycorrhizal fungi<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q9\" value=\"B\"> b) Rhizobium bacteria<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q9\" value=\"C\"> c) Azotobacter<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q9\" value=\"D\"> d) Actinomycetes<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 10 -->\n<div class=\"quiz-question\">\n  <p>10. In land capability classification (LCC), which class indicates land suitable for permanent cultivation with only minor limitations?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q10\" value=\"A\"> a) Class I<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q10\" value=\"B\"> b) Class II<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q10\" value=\"C\"> c) Class III<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q10\" value=\"D\"> d) Class IV<\/label><\/li>\n  <\/ul>\n<\/div>\n<!-- Group 2: Questions 11\u201320 -->\n<!-- Question 11 -->\n<div class=\"quiz-question\">\n  <p>11. Which of the following best describes soil bulk density?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q11\" value=\"A\"> a) Mass of soil solids per unit volume of soil (including pore space)<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q11\" value=\"B\"> b) Volume of pore spaces per unit mass of soil<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q11\" value=\"C\"> c) Mass of water held by the soil at field capacity<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q11\" value=\"D\"> d) Percent of organic matter in the soil<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 12 -->\n<div class=\"quiz-question\">\n  <p>12. Which of the following is a correct pairing of deficiency symptom and nutrient in plants?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q12\" value=\"A\"> a) Interveinal chlorosis of new leaves \u2014 Nitrogen<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q12\" value=\"B\"> b) Stunted growth and purpling of older leaves \u2014 Phosphorus<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q12\" value=\"C\"> c) Marginal leaf burn on old leaves \u2014 Iron<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q12\" value=\"D\"> d) General chlorosis of young leaves \u2014 Potassium<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 13 -->\n<div class=\"quiz-question\">\n  <p>13. Which amendment is commonly recommended to reclaim sodic soils by replacing exchangeable Na\u207a with Ca\u00b2\u207a?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q13\" value=\"A\"> a) Elemental sulfur<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q13\" value=\"B\"> b) Gypsum (calcium sulfate)<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q13\" value=\"C\"> c) Lime (calcium carbonate)<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q13\" value=\"D\"> d) Organic manure only<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 14 -->\n<div class=\"quiz-question\">\n  <p>14. In the context of soil water, which term describes the water content remaining in the soil after excess gravitational water has drained away?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q14\" value=\"A\"> a) Wilting point<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q14\" value=\"B\"> b) Saturation<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q14\" value=\"C\"> c) Field capacity<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q14\" value=\"D\"> d) Permanent wilting point<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 15 -->\n<div class=\"quiz-question\">\n  <p>15. Which test method is commonly used for routine soil pH measurement in a laboratory?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q15\" value=\"A\"> a) Potentiometric measurement with a glass electrode<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q15\" value=\"B\"> b) Flame photometry<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q15\" value=\"C\"> c) Kjeldahl digestion<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q15\" value=\"D\"> d) Atomic absorption spectrophotometry<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 16 -->\n<div class=\"quiz-question\">\n  <p>16. Which of the following best explains why organic matter improves soil structure?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q16\" value=\"A\"> a) Organic matter increases soil pH<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q16\" value=\"B\"> b) Organic matter acts as a binding agent, promoting aggregation<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q16\" value=\"C\"> c) Organic matter replaces clay particles<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q16\" value=\"D\"> d) Organic matter reduces cation exchange capacity<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 17 -->\n<div class=\"quiz-question\">\n  <p>17. Which pesticide-related practice most directly contributes to long-term buildup of pesticide residues in soils?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q17\" value=\"A\"> a) Use of biodegradable pesticides only<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q17\" value=\"B\"> b) Frequent use of persistent, lipophilic pesticides<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q17\" value=\"C\"> c) Alternating pesticides with different modes of action<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q17\" value=\"D\"> d) Integrated pest management (IPM)<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 18 -->\n<div class=\"quiz-question\">\n  <p>18. Which indicator is commonly used to assess soil salinity for irrigation suitability?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q18\" value=\"A\"> a) Soil pH<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q18\" value=\"B\"> b) Electrical conductivity (EC)<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q18\" value=\"C\"> c) Cation exchange capacity (CEC)<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q18\" value=\"D\"> d) Organic carbon content<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 19 -->\n<div class=\"quiz-question\">\n  <p>19. Which of the following is a commonly used biological indicator of good soil health?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q19\" value=\"A\"> a) Low earthworm population<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q19\" value=\"B\"> b) High abundance of beneficial soil fauna (e.g., earthworms)<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q19\" value=\"C\"> c) High bulk density<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q19\" value=\"D\"> d) Absence of microbial activity<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 20 -->\n<div class=\"quiz-question\">\n  <p>20. Which remote-sensing tool is often used to assist soil mapping and identifying land-use suitability?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q20\" value=\"A\"> a) Sonar imaging<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q20\" value=\"B\"> b) Satellite multispectral imagery<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q20\" value=\"C\"> c) X-ray diffraction<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q20\" value=\"D\"> d) Gas chromatography<\/label><\/li>\n  <\/ul>\n<\/div>\n<!-- Group 3: Questions 21\u201330 -->\n<!-- Question 21 -->\n<div class=\"quiz-question\">\n  <p>21. Which of the following soil properties most directly limits root penetration and growth?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q21\" value=\"A\"> a) Soil color<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q21\" value=\"B\"> b) High bulk density \/ compaction<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q21\" value=\"C\"> c) High organic carbon<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q21\" value=\"D\"> d) Low cation exchange capacity<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 22 -->\n<div class=\"quiz-question\">\n  <p>22. Which nutrient is most commonly associated with promoting early root development and energy transfer in plants?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q22\" value=\"A\"> a) Nitrogen (N)<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q22\" value=\"B\"> b) Phosphorus (P)<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q22\" value=\"C\"> c) Potassium (K)<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q22\" value=\"D\"> d) Calcium (Ca)<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 23 -->\n<div class=\"quiz-question\">\n  <p>23. Which soil testing extractant is commonly used for available phosphorus determination in acid soils (Bray method)?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q23\" value=\"A\"> a) Sodium bicarbonate<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q23\" value=\"B\"> b) Bray-1 (acid fluoride mixture)<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q23\" value=\"C\"> c) Ammonium acetate<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q23\" value=\"D\"> d) DTPA<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 24 -->\n<div class=\"quiz-question\">\n  <p>24. Which of the following is an example of a conservative nutrient management practice?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q24\" value=\"A\"> a) Sole reliance on synthetic fertilizers without soil testing<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q24\" value=\"B\"> b) Integrated nutrient management (combining organic and inorganic sources)<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q24\" value=\"C\"> c) Excessive broadcast application of nitrogen<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q24\" value=\"D\"> d) Continuous monocropping with no residue return<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 25 -->\n<div class=\"quiz-question\">\n  <p>25. Which process describes the conversion of organic nitrogen into mineral forms (ammonium and nitrate) available to plants?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q25\" value=\"A\"> a) Immobilization<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q25\" value=\"B\"> b) Mineralization (ammonification and nitrification)<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q25\" value=\"C\"> c) Denitrification only<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q25\" value=\"D\"> d) Volatilization<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 26 -->\n<div class=\"quiz-question\">\n  <p>26. Which of the following best describes the SAR (Sodium Adsorption Ratio) in irrigation water assessment?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q26\" value=\"A\"> a) Ratio of chloride to bicarbonate<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q26\" value=\"B\"> b) Ratio indicating relative concentration of sodium to calcium and magnesium<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q26\" value=\"C\"> c) Measure of total dissolved solids only<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q26\" value=\"D\"> d) Indicator of soil organic matter content<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 27 -->\n<div class=\"quiz-question\">\n  <p>27. Which of the following best describes the role of mycorrhizae in soils?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q27\" value=\"A\"> a) They antagonize plant roots and reduce nutrient uptake<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q27\" value=\"B\"> b) They form symbiotic associations that enhance phosphorus uptake<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q27\" value=\"C\"> c) They fix atmospheric nitrogen in root nodules<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q27\" value=\"D\"> d) They primarily increase soil pH<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 28 -->\n<div class=\"quiz-question\">\n  <p>28. Which soil color notation system is commonly used in field soil descriptions?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q28\" value=\"A\"> a) Pantone color system<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q28\" value=\"B\"> b) Munsell color system<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q28\" value=\"C\"> c) RGB color model<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q28\" value=\"D\"> d) CMYK color model<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 29 -->\n<div class=\"quiz-question\">\n  <p>29. Which of the following statements about peat soils is CORRECT?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q29\" value=\"A\"> a) Peat soils are highly decomposed and have very high bulk density<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q29\" value=\"B\"> b) Peat soils are rich in organic matter and are prone to subsidence when drained<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q29\" value=\"C\"> c) Peat soils typically have very high mineral nutrient reserves<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q29\" value=\"D\"> d) Peat soils are common in arid regions<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 30 -->\n<div class=\"quiz-question\">\n  <p>30. Which of the following is a direct consequence of long-term continuous monocropping on soil?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q30\" value=\"A\"> a) Increased crop biodiversity<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q30\" value=\"B\"> b) Build-up of specific pests and nutrient depletion<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q30\" value=\"C\"> c) Immediate increase in soil organic matter<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q30\" value=\"D\"> d) Reduced soil erosion automatically<\/label><\/li>\n  <\/ul>\n<\/div>\n<!-- Group 4: Questions 31\u201340 -->\n<!-- Question 31 -->\n<div class=\"quiz-question\">\n  <p>31. Which of the following is the BEST immediate measure to reduce surface runoff and soil loss on a newly planted sloping field?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q31\" value=\"A\"> a) Install tile drains<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q31\" value=\"B\"> b) Establish cover crops or mulches<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q31\" value=\"C\"> c) Apply high doses of nitrogen fertilizer<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q31\" value=\"D\"> d) Increase tillage intensity<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 32 -->\n<div class=\"quiz-question\">\n  <p>32. Which Philippine soil order or major soil group is commonly associated with clay soils that swell when wet and crack when dry (vertisols)?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q32\" value=\"A\"> a) Oxisols<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q32\" value=\"B\"> b) Vertisols<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q32\" value=\"C\"> c) Histosols<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q32\" value=\"D\"> d) Entisols<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 33 -->\n<div class=\"quiz-question\">\n  <p>33. Which of the following is an advantage of using green manures in cropping systems?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q33\" value=\"A\"> a) They increase soil erosion<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q33\" value=\"B\"> b) They add organic matter and can fix atmospheric nitrogen<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q33\" value=\"C\"> c) They permanently eliminate weeds<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q33\" value=\"D\"> d) They reduce soil moisture retention<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 34 -->\n<div class=\"quiz-question\">\n  <p>34. Which laboratory method is typically used to determine soil texture by separating sand, silt and clay?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q34\" value=\"A\"> a) Hydrometer or sieve\u2013pipette method<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q34\" value=\"B\"> b) Loss on ignition<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q34\" value=\"C\"> c) Kjeldahl digestion<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q34\" value=\"D\"> d) DTPA extraction<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 35 -->\n<div class=\"quiz-question\">\n  <p>35. What is the major environmental risk associated with excessive application of nitrogen fertilizers in wet tropical systems?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q35\" value=\"A\"> a) Increased phosphorus fixation<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q35\" value=\"B\"> b) Leaching to groundwater and denitrification losses (nitrate pollution)<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q35\" value=\"C\"> c) Immediate increase in soil organic carbon<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q35\" value=\"D\"> d) Reduced soil pH to neutral<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 36 -->\n<div class=\"quiz-question\">\n  <p>36. Which of the following practices helps increase soil organic carbon over time?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q36\" value=\"A\"> a) Burning crop residues<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q36\" value=\"B\"> b) Incorporation of crop residues and use of manures\/compost<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q36\" value=\"C\"> c) Continuous deep plowing with residue removal<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q36\" value=\"D\"> d) Repeated fallowing without vegetation<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 37 -->\n<div class=\"quiz-question\">\n  <p>37. Which of the following statements about soil texture and water-holding capacity is TRUE?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q37\" value=\"A\"> a) Sandy soils typically have higher available water capacity than clay soils<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q37\" value=\"B\"> b) Clay soils retain more water overall but much of it may be at tensions unavailable to plants<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q37\" value=\"C\"> c) Texture has no influence on water-holding capacity<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q37\" value=\"D\"> d) Loamy sand holds the most plant-available water<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 38 -->\n<div class=\"quiz-question\">\n  <p>38. Which of the following is a common practice to reclaim saline soils for crop production?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q38\" value=\"A\"> a) Leaching salts below the root zone with good-quality water and improving drainage<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q38\" value=\"B\"> b) Increasing salt inputs through irrigation<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q38\" value=\"C\"> c) Removing topsoil only<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q38\" value=\"D\"> d) Avoiding any irrigation permanently<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 39 -->\n<div class=\"quiz-question\">\n  <p>39. Which soil testing extractant is commonly used to estimate available micronutrients like Fe, Mn, Zn, and Cu?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q39\" value=\"A\"> a) Olsen P<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q39\" value=\"B\"> b) DTPA (diethylenetriaminepentaacetic acid)<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q39\" value=\"C\"> c) Bray-1<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q39\" value=\"D\"> d) Ammonium acetate<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 40 -->\n<div class=\"quiz-question\">\n  <p>40. Which Indonesian\/Philippine-relevant soil limitation would most likely require both drainage improvement and salt leaching for reclamation?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q40\" value=\"A\"> a) Acid sulfate soils with secondary salinization<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q40\" value=\"B\"> b) Well-drained upland Ultisols<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q40\" value=\"C\"> c) Sandy coastal dunes with low salt<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q40\" value=\"D\"> d) Rocky shallow Entisols<\/label><\/li>\n  <\/ul>\n<\/div>\n<!-- Group 5: Questions 41\u201350 -->\n<!-- Question 41 -->\n<div class=\"quiz-question\">\n  <p>41. Which of the following is an integrated practice to reduce greenhouse gas emissions from rice paddies?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q41\" value=\"A\"> a) Continuous flooding throughout the season<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q41\" value=\"B\"> b) Alternate wetting and drying (AWD) combined with optimized nitrogen management<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q41\" value=\"C\"> c) Excessive organic amendments without drainage<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q41\" value=\"D\"> d) Burning rice straw in the field<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 42 -->\n<div class=\"quiz-question\">\n  <p>42. Which tool or practice helps farmers determine the right lime requirement for acid soils?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q42\" value=\"A\"> a) Measuring electrical conductivity (EC)<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q42\" value=\"B\"> b) Soil buffering capacity tests and pH measurement<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q42\" value=\"C\"> c) Estimating from bulk density alone<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q42\" value=\"D\"> d) Visual soil color only<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 43 -->\n<div class=\"quiz-question\">\n  <p>43. Which of the following is a primary reason for conducting a soil survey at the farm or watershed level?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q43\" value=\"A\"> a) To determine farmers&#8217; cultural practices<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q43\" value=\"B\"> b) To map soil types and their suitability for different land uses<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q43\" value=\"C\"> c) To set commodity market prices<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q43\" value=\"D\"> d) To measure daily weather variations<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 44 -->\n<div class=\"quiz-question\">\n  <p>44. Which practice helps reduce phosphorus runoff from agricultural fields?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q44\" value=\"A\"> a) Broadcasting high rates of P fertilizer just before heavy rains<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q44\" value=\"B\"> b) Band placement of phosphorus near seed and buffer strips along waterways<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q44\" value=\"C\"> c) Removing vegetation from riparian zones<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q44\" value=\"D\"> d) Increasing soil erosion intentionally<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 45 -->\n<div class=\"quiz-question\">\n  <p>45. Which of the following is TRUE regarding conservation tillage?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q45\" value=\"A\"> a) It always increases immediate crop yields regardless of context<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q45\" value=\"B\"> b) It reduces soil disturbance and can increase residue cover, improving erosion control<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q45\" value=\"C\"> c) It eliminates the need for crop rotation<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q45\" value=\"D\"> d) It is synonymous with burning residues<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 46 -->\n<div class=\"quiz-question\">\n  <p>46. Which of the following best describes soil buffering capacity?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q46\" value=\"A\"> a) Soil&#8217;s resistance to change in temperature<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q46\" value=\"B\"> b) Soil&#8217;s resistance to change in pH when acids or bases are added<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q46\" value=\"C\"> c) Soil&#8217;s ability to hold water at field capacity<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q46\" value=\"D\"> d) Soil&#8217;s color variation range<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 47 -->\n<div class=\"quiz-question\">\n  <p>47. Which of the following management options is most appropriate for a farmer dealing with iron deficiency chlorosis in calcareous soils?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q47\" value=\"A\"> a) Apply phosphate fertilizers only<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q47\" value=\"B\"> b) Use iron chelates or foliar iron sprays and consider soil amendments to lower pH locally<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q47\" value=\"C\"> c) Apply more lime<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q47\" value=\"D\"> d) Increase sodium in the soil<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 48 -->\n<div class=\"quiz-question\">\n  <p>48. Which statement about soil microbial activity is CORRECT?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q48\" value=\"A\"> a) Microbial activity is unaffected by soil moisture and temperature<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q48\" value=\"B\"> b) Microbial activity generally increases with optimal moisture and moderate temperatures<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q48\" value=\"C\"> c) High salinity always increases microbial activity<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q48\" value=\"D\"> d) Microbial activity is highest in sterile soils<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 49 -->\n<div class=\"quiz-question\">\n  <p>49. Which of the following is an example of an in-situ remediation technique for soils contaminated with petroleum hydrocarbons?<\/p>\n  <ul class=\"quiz-options\">\n    <li><label><input type=\"radio\" name=\"q49\" value=\"A\"> a) Excavation and landfilling off-site<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q49\" value=\"B\"> b) Bioventing (enhancing microbial degradation in place)<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q49\" value=\"C\"> c) Incineration off-site<\/label><\/li>\n    <li><label><input type=\"radio\" name=\"q49\" value=\"D\"> d) Exporting soil to industrial dumps<\/label><\/li>\n  <\/ul>\n<\/div>\n\n<!-- Question 50 -->\n<div class=\"quiz-question\">\n  <p>50. 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Now sharing link on Facebook. (Upload screenshot manually if needed.)\");\n      window.open(url, \"_blank\");\n    });\n\n    document.querySelector(\".share-whatsapp\").addEventListener(\"click\", async function (e) {\n      e.preventDefault();\n      const screenshot = await captureResult();\n      const text = \"I just scored on this LEA Mock Test! Try to beat my score! \" + window.location.href;\n      const url = \"https:\/\/api.whatsapp.com\/send?text=\" + encodeURIComponent(text);\n      alert(\"Screenshot captured! Now sharing link on WhatsApp. (Upload screenshot manually if needed.)\");\n      window.open(url, \"_blank\");\n    });\n  <\/script>\n<\/body>\n<\/html>\n\n\n\n<p>If you have any queries, ideas or suggestions, then please comment below. You can also connect with&nbsp;<a href=\"https:\/\/agriculturereview.com\/agriculture-hashtags-for-instagram-facebook-twitter\" target=\"_blank\" rel=\"noreferrer noopener\">Agriculture Review on Facebook<\/a>, Instagram, Koo and WhatsApp Messenger.<\/p>\n\n\n\n<p class=\"has-theme-palette-9-color has-theme-palette-3-background-color has-text-color has-background has-link-color wp-elements-987af2790492340946e8c3e258c1ee89\">To learn N-P-K Computations, try checking out our tool: <strong><a href=\"https:\/\/agriculturereview.com\/how-to-calculate-npk-with-formulae\/\" target=\"_blank\" data-type=\"post\" data-id=\"16654\" rel=\"noreferrer noopener\">NPK Calculator<\/a><\/strong><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hey students, preparing for your upcoming agriculture examinations such as PRC LEA, UPSC, ICAR JRF, etc. but confused about whether your preparation is going well or not? Well, no more! At Agriculture Review, we keep updating new test series based on previous years\u2019 questions of the Examination for Agriculturists. In this test, you have to&#8230;<\/p>","protected":false},"author":1,"featured_media":21477,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[6,7352,733],"tags":[905,904,7329,7327,5003],"class_list":["post-21475","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-agriculture","category-mock-test","category-quiz","tag-agriculture-reviewer","tag-licensure-examination-for-agriculturist","tag-mcq","tag-reviewer","tag-soil-science"],"_links":{"self":[{"href":"https:\/\/agriculturereview.com\/hi\/wp-json\/wp\/v2\/posts\/21475","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agriculturereview.com\/hi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agriculturereview.com\/hi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agriculturereview.com\/hi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agriculturereview.com\/hi\/wp-json\/wp\/v2\/comments?post=21475"}],"version-history":[{"count":3,"href":"https:\/\/agriculturereview.com\/hi\/wp-json\/wp\/v2\/posts\/21475\/revisions"}],"predecessor-version":[{"id":21479,"href":"https:\/\/agriculturereview.com\/hi\/wp-json\/wp\/v2\/posts\/21475\/revisions\/21479"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agriculturereview.com\/hi\/wp-json\/wp\/v2\/media\/21477"}],"wp:attachment":[{"href":"https:\/\/agriculturereview.com\/hi\/wp-json\/wp\/v2\/media?parent=21475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agriculturereview.com\/hi\/wp-json\/wp\/v2\/categories?post=21475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agriculturereview.com\/hi\/wp-json\/wp\/v2\/tags?post=21475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}