਀㰀栀琀洀氀 氀愀渀最㴀∀攀渀∀㸀 ਀    㰀洀攀琀愀 挀栀愀爀猀攀琀㴀∀唀吀䘀ⴀ㠀∀㸀 ਀    㰀琀椀琀氀攀㸀一䔀䔀吀 䈀椀漀氀漀最礀 倀爀愀挀琀椀挀攀 匀攀琀 䜀攀渀攀爀愀琀漀爀㰀⼀琀椀琀氀攀㸀 ਀    㰀℀ⴀⴀ 䄀搀搀 樀猀倀䐀䘀 氀椀戀爀愀爀礀 ⴀⴀ㸀 ਀    㰀猀挀爀椀瀀琀 猀爀挀㴀∀栀琀琀瀀猀㨀⼀⼀挀搀渀樀猀⸀挀氀漀甀搀昀氀愀爀攀⸀挀漀洀⼀愀樀愀砀⼀氀椀戀猀⼀栀琀洀氀㈀挀愀渀瘀愀猀⼀㄀⸀㐀⸀㄀⼀栀琀洀氀㈀挀愀渀瘀愀猀⸀洀椀渀⸀樀猀∀㸀㰀⼀猀挀爀椀瀀琀㸀 ਀    㰀猀琀礀氀攀㸀 :root {਀            ⴀⴀ瀀爀椀洀愀爀礀㨀 ⌀㐀㌀㘀㄀攀攀㬀 --primary-dark: #3f37c9;਀            ⴀⴀ猀攀挀漀渀搀愀爀礀㨀 ⌀㐀㠀㤀㔀攀昀㬀 --danger: #f72585;਀            ⴀⴀ猀甀挀挀攀猀猀㨀 ⌀㐀挀挀㤀昀 㬀 --light: #f8f9fa;਀            ⴀⴀ搀愀爀欀㨀 ⌀㈀㄀㈀㔀㈀㤀㬀 --gray: #6c757d;਀            ⴀⴀ戀漀爀搀攀爀ⴀ爀愀搀椀甀猀㨀 ㄀㈀瀀砀㬀 --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);਀            ⴀⴀ琀爀愀渀猀椀琀椀漀渀㨀 愀氀氀  ⸀㌀猀 攀愀猀攀㬀 }਀ * {਀            洀愀爀最椀渀㨀  㬀 padding: 0;਀            戀漀砀ⴀ猀椀稀椀渀最㨀 戀漀爀搀攀爀ⴀ戀漀砀㬀 font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;਀        紀 ਀        戀漀搀礀 笀 background: linear-gradient(135deg, #f5f7fa 0%, #e2e8f0 100%);਀            洀椀渀ⴀ栀攀椀最栀琀㨀 ㄀  瘀栀㬀 display: flex;਀            樀甀猀琀椀昀礀ⴀ挀漀渀琀攀渀琀㨀 挀攀渀琀攀爀㬀 align-items: center;਀            瀀愀搀搀椀渀最㨀 ㈀ 瀀砀㬀 color: var(--dark);਀            氀椀渀攀ⴀ栀攀椀最栀琀㨀 ㄀⸀㘀㬀 }਀ .container {਀            眀椀搀琀栀㨀 ㄀  ─㬀 max-width: 900px;਀            戀愀挀欀最爀漀甀渀搀㨀 眀栀椀琀攀㬀 border-radius: var(--border-radius);਀            戀漀砀ⴀ猀栀愀搀漀眀㨀 瘀愀爀⠀ⴀⴀ戀漀砀ⴀ猀栀愀搀漀眀⤀㬀 overflow: hidden;਀            琀爀愀渀猀椀琀椀漀渀㨀 瘀愀爀⠀ⴀⴀ琀爀愀渀猀椀琀椀漀渀⤀㬀 animation: fadeIn 0.5s ease-out;਀        紀 ਀        䀀欀攀礀昀爀愀洀攀猀 昀愀搀攀䤀渀 笀 from { opacity: 0; transform: translateY(20px); }਀            琀漀 笀 漀瀀愀挀椀琀礀㨀 ㄀㬀 琀爀愀渀猀昀漀爀洀㨀 琀爀愀渀猀氀愀琀攀夀⠀ ⤀㬀 紀 }਀ .header {਀            戀愀挀欀最爀漀甀渀搀㨀 氀椀渀攀愀爀ⴀ最爀愀搀椀攀渀琀⠀㄀㌀㔀搀攀最Ⰰ 瘀愀爀⠀ⴀⴀ瀀爀椀洀愀爀礀⤀Ⰰ 瘀愀爀⠀ⴀⴀ瀀爀椀洀愀爀礀ⴀ搀愀爀欀⤀⤀㬀 color: white;਀            瀀愀搀搀椀渀最㨀 ㌀ 瀀砀 ㈀ 瀀砀㬀 text-align: center;਀            瀀漀猀椀琀椀漀渀㨀 爀攀氀愀琀椀瘀攀㬀 overflow: hidden;਀        紀 ਀        ⸀栀攀愀搀攀爀㨀㨀戀攀昀漀爀攀 笀 content: '';਀            瀀漀猀椀琀椀漀渀㨀 愀戀猀漀氀甀琀攀㬀 top: -50px;਀            爀椀最栀琀㨀 ⴀ㔀 瀀砀㬀 width: 150px;਀            栀攀椀最栀琀㨀 ㄀㔀 瀀砀㬀 background: rgba(255, 255, 255, 0.1);਀            戀漀爀搀攀爀ⴀ爀愀搀椀甀猀㨀 㔀 ─㬀 }਀ .header h1 {਀            昀漀渀琀ⴀ猀椀稀攀㨀 ㈀爀攀洀㬀 margin-bottom: 10px;਀            昀漀渀琀ⴀ眀攀椀最栀琀㨀 㜀  㬀 position: relative;਀            稀ⴀ椀渀搀攀砀㨀 ㄀㬀 }਀ .header p {਀            昀漀渀琀ⴀ猀椀稀攀㨀 ㄀爀攀洀㬀 opacity: 0.9;਀            瀀漀猀椀琀椀漀渀㨀 爀攀氀愀琀椀瘀攀㬀 z-index: 1;਀        紀 ਀        ⸀挀漀渀琀攀渀琀ⴀ愀爀攀愀 笀 padding: 30px;਀        紀 ਀        ⸀栀椀搀搀攀渀 笀 display: none !important;਀        紀 ਀        ⸀戀琀渀 笀 display: inline-block;਀            瀀愀搀搀椀渀最㨀 ㄀㈀瀀砀 ㈀㠀瀀砀㬀 border-radius: 50px;਀            昀漀渀琀ⴀ眀攀椀最栀琀㨀 㘀  㬀 cursor: pointer;਀            琀爀愀渀猀椀琀椀漀渀㨀 瘀愀爀⠀ⴀⴀ琀爀愀渀猀椀琀椀漀渀⤀㬀 border: none;਀            琀攀砀琀ⴀ愀氀椀最渀㨀 挀攀渀琀攀爀㬀 box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);਀            洀愀爀最椀渀㨀 ㄀ 瀀砀 㔀瀀砀㬀 }਀ .btn-primary {਀            戀愀挀欀最爀漀甀渀搀㨀 瘀愀爀⠀ⴀⴀ瀀爀椀洀愀爀礀⤀㬀 color: white;਀        紀 ਀        ⸀戀琀渀ⴀ瀀爀椀洀愀爀礀㨀栀漀瘀攀爀 笀 background: var(--primary-dark);਀            琀爀愀渀猀昀漀爀洀㨀 琀爀愀渀猀氀愀琀攀夀⠀ⴀ㈀瀀砀⤀㬀 box-shadow: 0 8px 15px rgba(67, 97, 238, 0.3);਀        紀 ਀        ⸀戀琀渀ⴀ猀甀挀挀攀猀猀 笀 background: var(--success);਀            挀漀氀漀爀㨀 眀栀椀琀攀㬀 }਀ .btn-success:hover {਀            戀愀挀欀最爀漀甀渀搀㨀 ⌀㌀愀戀 搀㘀㬀 transform: translateY(-2px);਀            戀漀砀ⴀ猀栀愀搀漀眀㨀   㠀瀀砀 ㄀㔀瀀砀 爀最戀愀⠀㜀㘀Ⰰ ㈀ ㄀Ⰰ ㈀㐀 Ⰰ  ⸀㌀⤀㬀 }਀ .btn-danger {਀            戀愀挀欀最爀漀甀渀搀㨀 瘀愀爀⠀ⴀⴀ搀愀渀最攀爀⤀㬀 color: white;਀        紀 ਀        ⸀戀琀渀ⴀ搀愀渀最攀爀㨀栀漀瘀攀爀 笀 background: #d3166b;਀            琀爀愀渀猀昀漀爀洀㨀 琀爀愀渀猀氀愀琀攀夀⠀ⴀ㈀瀀砀⤀㬀 box-shadow: 0 8px 15px rgba(247, 37, 133, 0.3);਀        紀 ਀        ⸀戀琀渀ⴀ氀攀瘀攀氀 笀 background: var(--light);਀            挀漀氀漀爀㨀 瘀愀爀⠀ⴀⴀ搀愀爀欀⤀㬀 border: 2px solid var(--gray);਀            昀漀渀琀ⴀ猀椀稀攀㨀 ㄀⸀㈀爀攀洀㬀 padding: 15px 30px;਀            眀椀搀琀栀㨀 ㈀  瀀砀㬀 }਀ .btn-level:hover {਀            琀爀愀渀猀昀漀爀洀㨀 琀爀愀渀猀氀愀琀攀夀⠀ⴀ㔀瀀砀⤀㬀 box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);਀        紀 ਀        ⸀戀琀渀ⴀ氀攀瘀攀氀⸀猀攀氀攀挀琀攀搀 笀 background: var(--primary);਀            挀漀氀漀爀㨀 眀栀椀琀攀㬀 border-color: var(--primary);਀        紀 ਀        ⸀戀琀渀ⴀ最爀漀甀瀀 笀 display: flex;਀            昀氀攀砀ⴀ眀爀愀瀀㨀 眀爀愀瀀㬀 justify-content: center;਀            最愀瀀㨀 ㄀ 瀀砀㬀 margin: 20px 0;਀        紀 ਀        ⸀氀攀瘀攀氀ⴀ戀甀琀琀漀渀猀 笀 display: flex;਀            樀甀猀琀椀昀礀ⴀ挀漀渀琀攀渀琀㨀 挀攀渀琀攀爀㬀 gap: 20px;਀            洀愀爀最椀渀㨀 ㌀ 瀀砀  㬀 }਀ .section-title {਀            琀攀砀琀ⴀ愀氀椀最渀㨀 挀攀渀琀攀爀㬀 margin-bottom: 25px;਀            挀漀氀漀爀㨀 瘀愀爀⠀ⴀⴀ瀀爀椀洀愀爀礀ⴀ搀愀爀欀⤀㬀 font-size: 1.5rem;਀            瀀漀猀椀琀椀漀渀㨀 爀攀氀愀琀椀瘀攀㬀 padding-bottom: 10px;਀        紀 ਀        ⸀猀攀挀琀椀漀渀ⴀ琀椀琀氀攀㨀㨀愀昀琀攀爀 笀 content: '';਀            瀀漀猀椀琀椀漀渀㨀 愀戀猀漀氀甀琀攀㬀 bottom: 0;਀            氀攀昀琀㨀 㔀 ─㬀 transform: translateX(-50%);਀            眀椀搀琀栀㨀 㠀 瀀砀㬀 height: 3px;਀            戀愀挀欀最爀漀甀渀搀㨀 瘀愀爀⠀ⴀⴀ猀攀挀漀渀搀愀爀礀⤀㬀 border-radius: 3px;਀        紀 ਀        ⸀挀栀攀挀欀戀漀砀ⴀ挀漀渀琀愀椀渀攀爀 笀 display: grid;਀            最爀椀搀ⴀ琀攀洀瀀氀愀琀攀ⴀ挀漀氀甀洀渀猀㨀 爀攀瀀攀愀琀⠀愀甀琀漀ⴀ昀椀氀氀Ⰰ 洀椀渀洀愀砀⠀㈀  瀀砀Ⰰ ㄀昀爀⤀⤀㬀 gap: 15px;਀            洀愀爀最椀渀㨀 ㈀㔀瀀砀  㬀 }਀ .checkbox-item {਀            搀椀猀瀀氀愀礀㨀 昀氀攀砀㬀 align-items: center;਀        紀 ਀        ⸀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀 椀渀瀀甀琀 笀 margin-right: 10px;਀            眀椀搀琀栀㨀 ㄀㠀瀀砀㬀 height: 18px;਀            挀甀爀猀漀爀㨀 瀀漀椀渀琀攀爀㬀 }਀ .checkbox-item label {਀            挀甀爀猀漀爀㨀 瀀漀椀渀琀攀爀㬀 font-size: 0.95rem;਀        紀 ਀        ⸀最攀渀攀爀愀琀攀搀ⴀ瀀愀瀀攀爀 笀 padding: 30px;਀        紀 ਀        ⸀瀀愀瀀攀爀ⴀ栀攀愀搀攀爀 笀 text-align: center;਀            洀愀爀最椀渀ⴀ戀漀琀琀漀洀㨀 ㌀ 瀀砀㬀 border-bottom: 2px solid var(--primary);਀            瀀愀搀搀椀渀最ⴀ戀漀琀琀漀洀㨀 ㈀ 瀀砀㬀 }਀ .paper-header h2 {਀            挀漀氀漀爀㨀 瘀愀爀⠀ⴀⴀ瀀爀椀洀愀爀礀ⴀ搀愀爀欀⤀㬀 margin-bottom: 5px;਀            昀漀渀琀ⴀ猀椀稀攀㨀 ㄀⸀㠀爀攀洀㬀 }਀ .paper-header h3 {਀            挀漀氀漀爀㨀 瘀愀爀⠀ⴀⴀ最爀愀礀⤀㬀 margin-bottom: 5px;਀            昀漀渀琀ⴀ猀椀稀攀㨀 ㄀⸀㈀爀攀洀㬀 font-weight: 500;਀        紀 ਀        ⸀瀀愀瀀攀爀ⴀ洀攀琀愀 笀 display: flex;਀            樀甀猀琀椀昀礀ⴀ挀漀渀琀攀渀琀㨀 猀瀀愀挀攀ⴀ戀攀琀眀攀攀渀㬀 margin-bottom: 25px;਀            瀀愀搀搀椀渀最ⴀ戀漀琀琀漀洀㨀 ㄀㔀瀀砀㬀 border-bottom: 1px solid #eee;਀            昀漀渀琀ⴀ眀攀椀最栀琀㨀 㔀  㬀 }਀ .instructions {਀            洀愀爀最椀渀ⴀ戀漀琀琀漀洀㨀 ㌀ 瀀砀㬀 padding: 20px;਀            戀愀挀欀最爀漀甀渀搀㨀 ⌀昀㠀昀㤀昀愀㬀 border-radius: var(--border-radius);਀        紀 ਀        ⸀椀渀猀琀爀甀挀琀椀漀渀猀 漀氀 笀 padding-left: 20px;਀            洀愀爀最椀渀ⴀ琀漀瀀㨀 ㄀ 瀀砀㬀 }਀ .instructions li {਀            洀愀爀最椀渀ⴀ戀漀琀琀漀洀㨀 㠀瀀砀㬀 }਀ .question-section {਀            洀愀爀最椀渀ⴀ戀漀琀琀漀洀㨀 ㌀ 瀀砀㬀 }਀ .section-heading {਀            昀漀渀琀ⴀ眀攀椀最栀琀㨀 㘀  㬀 color: var(--primary-dark);਀            洀愀爀最椀渀ⴀ戀漀琀琀漀洀㨀 ㄀㔀瀀砀㬀 padding-bottom: 5px;਀            戀漀爀搀攀爀ⴀ戀漀琀琀漀洀㨀 ㄀瀀砀 猀漀氀椀搀 ⌀攀攀攀㬀 }਀ .question {਀            洀愀爀最椀渀ⴀ戀漀琀琀漀洀㨀 ㈀ 瀀砀㬀 page-break-inside: avoid;਀        紀 ਀        ⸀焀甀攀猀琀椀漀渀ⴀ琀攀砀琀 笀 font-weight: 500;਀            洀愀爀最椀渀ⴀ戀漀琀琀漀洀㨀 㠀瀀砀㬀 }਀ .option {਀            洀愀爀最椀渀ⴀ氀攀昀琀㨀 ㈀ 瀀砀㬀 margin-bottom: 5px;਀        紀 ਀        ⸀愀挀琀椀漀渀ⴀ戀甀琀琀漀渀猀 笀 display: flex;਀            樀甀猀琀椀昀礀ⴀ挀漀渀琀攀渀琀㨀 挀攀渀琀攀爀㬀 flex-wrap: wrap;਀            最愀瀀㨀 ㄀㔀瀀砀㬀 margin-top: 40px;਀        紀 ਀        ⸀愀渀猀眀攀爀ⴀ猀栀攀攀琀 笀 margin-top: 40px;਀            瀀愀搀搀椀渀最㨀 ㈀ 瀀砀㬀 background: #f8f9fa;਀            戀漀爀搀攀爀ⴀ爀愀搀椀甀猀㨀 瘀愀爀⠀ⴀⴀ戀漀爀搀攀爀ⴀ爀愀搀椀甀猀⤀㬀 }਀ .answer-table {਀            眀椀搀琀栀㨀 ㄀  ─㬀 border-collapse: collapse;਀            洀愀爀最椀渀ⴀ琀漀瀀㨀 ㄀㔀瀀砀㬀 }਀ .answer-table th, .answer-table td {਀            戀漀爀搀攀爀㨀 ㄀瀀砀 猀漀氀椀搀 ⌀搀搀搀㬀 padding: 8px;਀            琀攀砀琀ⴀ愀氀椀最渀㨀 挀攀渀琀攀爀㬀 }਀ .answer-table th {਀            戀愀挀欀最爀漀甀渀搀ⴀ挀漀氀漀爀㨀 瘀愀爀⠀ⴀⴀ瀀爀椀洀愀爀礀⤀㬀 color: white;਀        紀 ਀        ⸀愀渀猀眀攀爀ⴀ琀愀戀氀攀 琀爀㨀渀琀栀ⴀ挀栀椀氀搀⠀攀瘀攀渀⤀ 笀 background-color: #f2f2f2;਀        紀 ਀        ⼀⨀ 一攀眀 猀琀礀氀攀猀 昀漀爀 瀀爀愀挀琀椀挀攀 猀攀琀 漀瀀琀椀漀渀猀 ⨀⼀ .practice-options {਀            搀椀猀瀀氀愀礀㨀 最爀椀搀㬀 grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));਀            最愀瀀㨀 ㈀ 瀀砀㬀 margin: 30px 0;਀        紀 ਀        ⸀漀瀀琀椀漀渀ⴀ挀愀爀搀 笀 background: white;਀            戀漀爀搀攀爀ⴀ爀愀搀椀甀猀㨀 瘀愀爀⠀ⴀⴀ戀漀爀搀攀爀ⴀ爀愀搀椀甀猀⤀㬀 padding: 25px;਀            戀漀砀ⴀ猀栀愀搀漀眀㨀 瘀愀爀⠀ⴀⴀ戀漀砀ⴀ猀栀愀搀漀眀⤀㬀 text-align: center;਀            琀爀愀渀猀椀琀椀漀渀㨀 瘀愀爀⠀ⴀⴀ琀爀愀渀猀椀琀椀漀渀⤀㬀 cursor: pointer;਀            戀漀爀搀攀爀㨀 ㈀瀀砀 猀漀氀椀搀 琀爀愀渀猀瀀愀爀攀渀琀㬀 }਀         .option-card:hover {਀            琀爀愀渀猀昀漀爀洀㨀 琀爀愀渀猀氀愀琀攀夀⠀ⴀ㔀瀀砀⤀㬀 box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);਀        紀 ਀        ⸀漀瀀琀椀漀渀ⴀ挀愀爀搀⸀猀攀氀攀挀琀攀搀 笀 border-color: var(--primary);਀            戀愀挀欀最爀漀甀渀搀㨀 爀最戀愀⠀㘀㜀Ⰰ 㤀㜀Ⰰ ㈀㌀㠀Ⰰ  ⸀ 㔀⤀㬀 }਀         .option-icon {਀            昀漀渀琀ⴀ猀椀稀攀㨀 ㈀⸀㔀爀攀洀㬀 color: var(--primary);਀            洀愀爀最椀渀ⴀ戀漀琀琀漀洀㨀 ㄀㔀瀀砀㬀 }਀         .option-title {਀            昀漀渀琀ⴀ猀椀稀攀㨀 ㄀⸀㌀爀攀洀㬀 font-weight: 600;਀            洀愀爀最椀渀ⴀ戀漀琀琀漀洀㨀 ㄀ 瀀砀㬀 color: var(--primary-dark);਀        紀 ਀        ⸀漀瀀琀椀漀渀ⴀ搀攀猀挀爀椀瀀琀椀漀渀 笀 color: var(--gray);਀            昀漀渀琀ⴀ猀椀稀攀㨀  ⸀㤀爀攀洀㬀 line-height: 1.5;਀        紀 ਀        ⸀焀甀攀猀琀椀漀渀ⴀ挀漀甀渀琀ⴀ猀攀氀攀挀琀漀爀 笀 display: flex;਀            樀甀猀琀椀昀礀ⴀ挀漀渀琀攀渀琀㨀 挀攀渀琀攀爀㬀 align-items: center;਀            最愀瀀㨀 ㄀㔀瀀砀㬀 margin: 20px 0;਀        紀 ਀        ⸀挀漀甀渀琀ⴀ戀琀渀 笀 width: 40px;਀            栀攀椀最栀琀㨀 㐀 瀀砀㬀 border-radius: 50%;਀            戀愀挀欀最爀漀甀渀搀㨀 瘀愀爀⠀ⴀⴀ氀椀最栀琀⤀㬀 border: 2px solid var(--gray);਀            搀椀猀瀀氀愀礀㨀 昀氀攀砀㬀 align-items: center;਀            樀甀猀琀椀昀礀ⴀ挀漀渀琀攀渀琀㨀 挀攀渀琀攀爀㬀 cursor: pointer;਀            昀漀渀琀ⴀ眀攀椀最栀琀㨀 戀漀氀搀㬀 transition: var(--transition);਀        紀 ਀        ⸀挀漀甀渀琀ⴀ戀琀渀㨀栀漀瘀攀爀 笀 background: var(--primary);਀            挀漀氀漀爀㨀 眀栀椀琀攀㬀 border-color: var(--primary);਀        紀 ਀        ⸀焀甀攀猀琀椀漀渀ⴀ挀漀甀渀琀 笀 font-size: 1.5rem;਀            昀漀渀琀ⴀ眀攀椀最栀琀㨀 㘀  㬀 min-width: 60px;਀            琀攀砀琀ⴀ愀氀椀最渀㨀 挀攀渀琀攀爀㬀 }਀         .timer-options {਀            搀椀猀瀀氀愀礀㨀 昀氀攀砀㬀 justify-content: center;਀            最愀瀀㨀 ㄀㔀瀀砀㬀 margin: 20px 0;਀        紀 ਀        ⸀琀椀洀攀爀ⴀ戀琀渀 笀 padding: 10px 20px;਀            戀愀挀欀最爀漀甀渀搀㨀 瘀愀爀⠀ⴀⴀ氀椀最栀琀⤀㬀 border: 2px solid var(--gray);਀            戀漀爀搀攀爀ⴀ爀愀搀椀甀猀㨀 ㌀ 瀀砀㬀 cursor: pointer;਀            琀爀愀渀猀椀琀椀漀渀㨀 瘀愀爀⠀ⴀⴀ琀爀愀渀猀椀琀椀漀渀⤀㬀 }਀         .timer-btn.selected {਀            戀愀挀欀最爀漀甀渀搀㨀 瘀愀爀⠀ⴀⴀ瀀爀椀洀愀爀礀⤀㬀 color: white;਀            戀漀爀搀攀爀ⴀ挀漀氀漀爀㨀 瘀愀爀⠀ⴀⴀ瀀爀椀洀愀爀礀⤀㬀 }਀         .timer-btn:hover {਀            琀爀愀渀猀昀漀爀洀㨀 琀爀愀渀猀氀愀琀攀夀⠀ⴀ㈀瀀砀⤀㬀 }਀         .progress-bar {਀            栀攀椀最栀琀㨀 㘀瀀砀㬀 background: #e0e0e0;਀            戀漀爀搀攀爀ⴀ爀愀搀椀甀猀㨀 ㌀瀀砀㬀 margin: 20px 0;਀            漀瘀攀爀昀氀漀眀㨀 栀椀搀搀攀渀㬀 }਀         .progress {਀            栀攀椀最栀琀㨀 ㄀  ─㬀 background: var(--primary);਀            戀漀爀搀攀爀ⴀ爀愀搀椀甀猀㨀 ㌀瀀砀㬀 transition: width 0.3s ease;਀        紀 ਀        ⸀猀琀攀瀀ⴀ椀渀搀椀挀愀琀漀爀 笀 display: flex;਀            樀甀猀琀椀昀礀ⴀ挀漀渀琀攀渀琀㨀 猀瀀愀挀攀ⴀ戀攀琀眀攀攀渀㬀 margin: 30px 0;਀            瀀漀猀椀琀椀漀渀㨀 爀攀氀愀琀椀瘀攀㬀 }਀         .step {਀            眀椀搀琀栀㨀 ㌀ 瀀砀㬀 height: 30px;਀            戀漀爀搀攀爀ⴀ爀愀搀椀甀猀㨀 㔀 ─㬀 background: var(--light);਀            戀漀爀搀攀爀㨀 ㈀瀀砀 猀漀氀椀搀 瘀愀爀⠀ⴀⴀ最爀愀礀⤀㬀 display: flex;਀            愀氀椀最渀ⴀ椀琀攀洀猀㨀 挀攀渀琀攀爀㬀 justify-content: center;਀            昀漀渀琀ⴀ眀攀椀最栀琀㨀 㘀  㬀 position: relative;਀            稀ⴀ椀渀搀攀砀㨀 ㈀㬀 }਀         .step.active {਀            戀愀挀欀最爀漀甀渀搀㨀 瘀愀爀⠀ⴀⴀ瀀爀椀洀愀爀礀⤀㬀 color: white;਀            戀漀爀搀攀爀ⴀ挀漀氀漀爀㨀 瘀愀爀⠀ⴀⴀ瀀爀椀洀愀爀礀⤀㬀 }਀         .step.completed {਀            戀愀挀欀最爀漀甀渀搀㨀 瘀愀爀⠀ⴀⴀ猀甀挀挀攀猀猀⤀㬀 color: white;਀            戀漀爀搀攀爀ⴀ挀漀氀漀爀㨀 瘀愀爀⠀ⴀⴀ猀甀挀挀攀猀猀⤀㬀 }਀         .step-label {਀            瀀漀猀椀琀椀漀渀㨀 愀戀猀漀氀甀琀攀㬀 top: 35px;਀            氀攀昀琀㨀 㔀 ─㬀 transform: translateX(-50%);਀            眀栀椀琀攀ⴀ猀瀀愀挀攀㨀 渀漀眀爀愀瀀㬀 font-size: 0.8rem;਀            挀漀氀漀爀㨀 瘀愀爀⠀ⴀⴀ最爀愀礀⤀㬀 }਀         .step-indicator::before {਀            挀漀渀琀攀渀琀㨀 ✀✀㬀 position: absolute;਀            琀漀瀀㨀 ㄀㔀瀀砀㬀 left: 0;਀            眀椀搀琀栀㨀 ㄀  ─㬀 height: 2px;਀            戀愀挀欀最爀漀甀渀搀㨀 ⌀攀 攀 攀 㬀 z-index: 1;਀        紀 ਀        ⸀猀琀攀瀀ⴀ椀渀搀椀挀愀琀漀爀 ⸀挀漀洀瀀氀攀琀攀搀㨀㨀戀攀昀漀爀攀 笀 background: var(--success);਀        紀 ਀        ⸀瀀爀愀挀琀椀挀攀ⴀ洀漀搀攀 笀 display: flex;਀            樀甀猀琀椀昀礀ⴀ挀漀渀琀攀渀琀㨀 挀攀渀琀攀爀㬀 gap: 20px;਀            洀愀爀最椀渀㨀 ㈀ 瀀砀  㬀 }਀         .mode-btn {਀            瀀愀搀搀椀渀最㨀 ㄀㈀瀀砀 ㈀㔀瀀砀㬀 background: var(--light);਀            戀漀爀搀攀爀㨀 ㈀瀀砀 猀漀氀椀搀 瘀愀爀⠀ⴀⴀ最爀愀礀⤀㬀 border-radius: 30px;਀            挀甀爀猀漀爀㨀 瀀漀椀渀琀攀爀㬀 transition: var(--transition);਀            昀漀渀琀ⴀ眀攀椀最栀琀㨀 㘀  㬀 }਀         .mode-btn.selected {਀            戀愀挀欀最爀漀甀渀搀㨀 瘀愀爀⠀ⴀⴀ瀀爀椀洀愀爀礀⤀㬀 color: white;਀            戀漀爀搀攀爀ⴀ挀漀氀漀爀㨀 瘀愀爀⠀ⴀⴀ瀀爀椀洀愀爀礀⤀㬀 }਀         .mode-btn:hover {਀            琀爀愀渀猀昀漀爀洀㨀 琀爀愀渀猀氀愀琀攀夀⠀ⴀ㈀瀀砀⤀㬀 }਀ @media (max-width: 768px) {਀            ⸀栀攀愀搀攀爀 栀㄀ 笀 font-size: 1.6rem;਀            紀 ਀            ⸀挀漀渀琀攀渀琀ⴀ愀爀攀愀 笀 padding: 20px;਀            紀 ਀            ⸀挀栀攀挀欀戀漀砀ⴀ挀漀渀琀愀椀渀攀爀 笀 grid-template-columns: 1fr;਀            紀 ਀            ⸀戀琀渀 笀 padding: 10px 20px;਀                昀漀渀琀ⴀ猀椀稀攀㨀  ⸀㤀爀攀洀㬀 }਀             .btn-level {਀                眀椀搀琀栀㨀 ㄀㔀 瀀砀㬀 font-size: 1rem;਀                瀀愀搀搀椀渀最㨀 ㄀㈀瀀砀 ㈀ 瀀砀㬀 }਀             .level-buttons {਀                昀氀攀砀ⴀ搀椀爀攀挀琀椀漀渀㨀 挀漀氀甀洀渀㬀 align-items: center;਀            紀 ਀            ⸀瀀愀瀀攀爀ⴀ栀攀愀搀攀爀 栀㈀ 笀 font-size: 1.4rem;਀            紀 ਀            ⸀瀀愀瀀攀爀ⴀ栀攀愀搀攀爀 栀㌀ 笀 font-size: 1rem;਀            紀 ਀            ⸀瀀爀愀挀琀椀挀攀ⴀ漀瀀琀椀漀渀猀 笀 grid-template-columns: 1fr;਀            紀 }਀ @media (max-width: 480px) {਀            ⸀栀攀愀搀攀爀 笀 padding: 20px 15px;਀            紀 ਀            ⸀猀攀挀琀椀漀渀ⴀ琀椀琀氀攀 笀 font-size: 1.3rem;਀            紀 ਀            ⸀瀀愀瀀攀爀ⴀ洀攀琀愀 笀 flex-direction: column;਀                最愀瀀㨀 ㄀ 瀀砀㬀 }਀             .action-buttons {਀                昀氀攀砀ⴀ搀椀爀攀挀琀椀漀渀㨀 挀漀氀甀洀渀㬀 align-items: center;਀            紀 ਀            ⸀戀琀渀 笀 width: 100%;਀                洀愀砀ⴀ眀椀搀琀栀㨀 ㈀㔀 瀀砀㬀 }਀             .btn-level {਀                眀椀搀琀栀㨀 ㄀  ─㬀 max-width: 200px;਀            紀 ਀            ⸀琀椀洀攀爀ⴀ漀瀀琀椀漀渀猀 笀 flex-wrap: wrap;਀            紀 }਀ @media print {਀            戀漀搀礀 笀 background: none;਀                瀀愀搀搀椀渀最㨀  㬀 }਀             .container {਀                戀漀砀ⴀ猀栀愀搀漀眀㨀 渀漀渀攀㬀 max-width: 100%;਀            紀 ਀            ⸀愀挀琀椀漀渀ⴀ戀甀琀琀漀渀猀 笀 display: none;਀            紀 ਀            ⸀焀甀攀猀琀椀漀渀 笀 page-break-inside: avoid;਀            紀 }਀    㰀⼀猀琀礀氀攀㸀 ਀     ਀     㰀猀挀爀椀瀀琀㸀 window.dataLayer = window.dataLayer || [];਀         昀甀渀挀琀椀漀渀 最琀愀最⠀⤀笀搀愀琀愀䰀愀礀攀爀⸀瀀甀猀栀⠀愀爀最甀洀攀渀琀猀⤀㬀紀 gtag('js', new Date());਀ gtag('config', 'G-KMZ9RJ62EY');਀       㰀⼀猀挀爀椀瀀琀㸀 ਀㰀戀漀搀礀㸀
਀        㰀搀椀瘀 挀氀愀猀猀㴀∀栀攀愀搀攀爀∀㸀 ਀            㰀愀 栀爀攀昀㴀∀一攀攀琀ⴀ攀砀愀洀ⴀ瀀爀愀挀琀椀挀攀ⴀ猀攀琀ⴀ最攀渀攀爀愀琀漀爀⸀栀琀洀氀∀ 挀氀愀猀猀㴀∀栀漀洀攀ⴀ椀挀漀渀∀㸀 ਀            㰀⼀愀㸀

NEET Biology Practice Set Generator

਀            㰀瀀㸀䜀攀渀攀爀愀琀攀 䌀甀猀琀漀洀椀稀攀搀 䈀椀漀氀漀最礀 倀爀愀挀琀椀挀攀 匀攀琀猀 昀漀爀 一䔀䔀吀 倀爀攀瀀愀爀愀琀椀漀渀㰀⼀瀀㸀
਀        
਀            㰀搀椀瘀 椀搀㴀∀猀琀愀爀琀匀挀爀攀攀渀∀㸀

NEET Biology Practice Set Generator

਀                㰀瀀 挀氀愀猀猀㴀∀琀攀砀琀ⴀ挀攀渀琀攀爀∀㸀䌀爀攀愀琀攀 挀甀猀琀漀洀椀稀攀搀 戀椀漀氀漀最礀 瀀爀愀挀琀椀挀攀 猀攀琀猀 琀漀 瀀爀攀瀀愀爀攀 昀漀爀 琀栀攀 一䔀䔀吀 攀砀愀洀㰀⼀瀀㸀
਀                    㰀戀甀琀琀漀渀 挀氀愀猀猀㴀∀戀琀渀 戀琀渀ⴀ瀀爀椀洀愀爀礀∀ 椀搀㴀∀猀琀愀爀琀䜀攀渀攀爀愀琀椀渀最䈀琀渀∀㸀匀琀愀爀琀 䜀攀渀攀爀愀琀椀渀最㰀⼀戀甀琀琀漀渀㸀
਀            㰀⼀搀椀瘀㸀 ਀            㰀搀椀瘀 椀搀㴀∀瀀爀愀挀琀椀挀攀吀礀瀀攀匀攀氀攀挀琀椀漀渀∀ 挀氀愀猀猀㴀∀栀椀搀搀攀渀∀㸀

Select Practice Type

਀                㰀瀀 挀氀愀猀猀㴀∀琀攀砀琀ⴀ挀攀渀琀攀爀∀㸀䌀栀漀漀猀攀 琀栀攀 琀礀瀀攀 漀昀 戀椀漀氀漀最礀 瀀爀愀挀琀椀挀攀 猀攀琀 礀漀甀 眀愀渀琀 琀漀 最攀渀攀爀愀琀攀㨀㰀⼀瀀㸀 ਀                㰀搀椀瘀 挀氀愀猀猀㴀∀瀀爀愀挀琀椀挀攀ⴀ漀瀀琀椀漀渀猀∀㸀
਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀漀瀀琀椀漀渀ⴀ椀挀漀渀∀㸀 ਀                        㰀⼀搀椀瘀㸀
Chapter-wise Practice
਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀漀瀀琀椀漀渀ⴀ搀攀猀挀爀椀瀀琀椀漀渀∀㸀倀爀愀挀琀椀挀攀 猀瀀攀挀椀昀椀挀 挀栀愀瀀琀攀爀猀 昀爀漀洀 䈀椀漀氀漀最礀 猀礀氀氀愀戀甀猀㰀⼀搀椀瘀㸀
਀                    
਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀漀瀀琀椀漀渀ⴀ椀挀漀渀∀㸀 ਀                        㰀⼀搀椀瘀㸀
Topic-wise Practice
਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀漀瀀琀椀漀渀ⴀ搀攀猀挀爀椀瀀琀椀漀渀∀㸀䘀漀挀甀猀 漀渀 猀瀀攀挀椀昀椀挀 戀椀漀氀漀最礀 琀漀瀀椀挀猀 愀渀搀 挀漀渀挀攀瀀琀猀㰀⼀搀椀瘀㸀
਀                    
਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀漀瀀琀椀漀渀ⴀ椀挀漀渀∀㸀 ਀                        㰀⼀搀椀瘀㸀
Full-Length Test
਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀漀瀀琀椀漀渀ⴀ搀攀猀挀爀椀瀀琀椀漀渀∀㸀匀椀洀甀氀愀琀攀 琀栀攀 愀挀琀甀愀氀 一䔀䔀吀 䈀椀漀氀漀最礀 猀攀挀琀椀漀渀 眀椀琀栀 㤀  焀甀攀猀琀椀漀渀猀㰀⼀搀椀瘀㸀
਀                    
਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀漀瀀琀椀漀渀ⴀ椀挀漀渀∀㸀 ਀                        㰀⼀搀椀瘀㸀
Previous Year Questions
਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀漀瀀琀椀漀渀ⴀ搀攀猀挀爀椀瀀琀椀漀渀∀㸀倀爀愀挀琀椀挀攀 眀椀琀栀 焀甀攀猀琀椀漀渀猀 昀爀漀洀 瀀爀攀瘀椀漀甀猀 一䔀䔀吀 攀砀愀洀猀㰀⼀搀椀瘀㸀
਀                㰀⼀搀椀瘀㸀 ਀                㰀搀椀瘀 挀氀愀猀猀㴀∀戀琀渀ⴀ最爀漀甀瀀∀㸀 ਀                    㰀戀甀琀琀漀渀 挀氀愀猀猀㴀∀戀琀渀 戀琀渀ⴀ猀甀挀挀攀猀猀∀ 椀搀㴀∀瀀爀漀挀攀攀搀吀漀䌀栀愀瀀琀攀爀猀䈀琀渀∀㸀倀爀漀挀攀攀搀 琀漀 䌀栀愀瀀琀攀爀猀㰀⼀戀甀琀琀漀渀㸀
਀            㰀⼀搀椀瘀㸀 ਀            㰀搀椀瘀 椀搀㴀∀挀栀愀瀀琀攀爀匀攀氀攀挀琀椀漀渀∀ 挀氀愀猀猀㴀∀栀椀搀搀攀渀∀㸀

Select Biology Chapters

਀                㰀昀漀爀洀 椀搀㴀∀挀栀愀瀀琀攀爀䘀漀爀洀∀㸀
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਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㄀∀㸀㄀⸀ 吀栀攀 䰀椀瘀椀渀最 圀漀爀氀搀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㈀∀㸀㈀⸀ 䈀椀漀氀漀最椀挀愀氀 䌀氀愀猀猀椀昀椀挀愀琀椀漀渀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㌀∀㸀㌀⸀ 倀氀愀渀琀 䬀椀渀最搀漀洀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㐀∀㸀㐀⸀ 䄀渀椀洀愀氀 䬀椀渀最搀漀洀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㔀∀㸀㔀⸀ 䴀漀爀瀀栀漀氀漀最礀 漀昀 䘀氀漀眀攀爀椀渀最 倀氀愀渀琀猀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㘀∀㸀㘀⸀ 䄀渀愀琀漀洀礀 漀昀 䘀氀漀眀攀爀椀渀最 倀氀愀渀琀猀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㜀∀㸀㜀⸀ 匀琀爀甀挀琀甀爀愀氀 伀爀最愀渀椀猀愀琀椀漀渀 椀渀 䄀渀椀洀愀氀猀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㠀∀㸀㠀⸀ 䌀攀氀氀㨀 吀栀攀 唀渀椀琀 漀昀 䰀椀昀攀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㤀∀㸀㤀⸀ 䈀椀漀洀漀氀攀挀甀氀攀猀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㄀ ∀㸀㄀ ⸀ 䌀攀氀氀 䌀礀挀氀攀 愀渀搀 䌀攀氀氀 䐀椀瘀椀猀椀漀渀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㄀㄀∀㸀㄀㄀⸀ 倀栀漀琀漀猀礀渀琀栀攀猀椀猀 椀渀 䠀椀最栀攀爀 倀氀愀渀琀猀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㄀㈀∀㸀㄀㈀⸀ 刀攀猀瀀椀爀愀琀椀漀渀 䤀渀 倀氀愀渀琀猀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㄀㌀∀㸀㄀㌀⸀ 倀氀愀渀琀 䜀爀漀眀琀栀 愀渀搀 䐀攀瘀攀氀漀瀀洀攀渀琀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㄀㐀∀㸀㄀㐀⸀ 䈀爀攀愀琀栀椀渀最 愀渀搀 䔀砀挀栀愀渀最攀 漀昀 䜀愀猀攀猀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㄀㔀∀㸀㄀㔀⸀ 䈀漀搀礀 䘀氀甀椀搀猀 愀渀搀 䌀椀爀挀甀氀愀琀椀漀渀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㄀㘀∀㸀㄀㘀⸀ 䔀砀挀爀攀琀漀爀礀 倀爀漀搀甀挀琀猀 愀渀搀 琀栀攀椀爀 䔀氀椀洀椀渀愀琀椀漀渀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㄀㜀∀㸀㄀㜀⸀ 䰀漀挀漀洀漀琀椀漀渀 愀渀搀 䴀漀瘀攀洀攀渀琀猀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㄀㠀∀㸀㄀㠀⸀ 一攀甀爀愀氀 䌀漀渀琀爀漀氀 愀渀搀 䌀漀漀爀搀椀渀愀琀椀漀渀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㄀㤀∀㸀㄀㤀⸀ 䌀栀攀洀椀挀愀氀 䌀漀漀爀搀椀渀愀琀椀漀渀 愀渀搀 䤀渀琀攀最爀愀琀椀漀渀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㈀ ∀㸀㈀ ⸀ 匀攀砀甀愀氀 爀攀瀀爀漀搀甀挀琀椀漀渀 椀渀 昀氀漀眀攀爀椀渀最 瀀氀愀渀琀猀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㈀㄀∀㸀㈀㄀⸀ 䠀甀洀愀渀 刀攀瀀爀漀搀甀挀琀椀漀渀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㈀㈀∀㸀㈀㈀⸀ 刀攀瀀爀漀搀甀挀琀椀瘀攀 栀攀愀氀琀栀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㈀㌀∀㸀㈀㌀⸀ 倀爀椀渀挀椀瀀氀攀猀 漀昀 䤀渀栀攀爀椀琀愀渀挀攀 愀渀搀 嘀愀爀椀愀琀椀漀渀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㈀㐀∀㸀㈀㐀⸀ 䴀漀氀攀挀甀氀愀爀 戀愀猀椀猀 漀昀 䤀渀栀攀爀椀琀愀渀挀攀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㈀㔀∀㸀㈀㔀⸀ 䔀瘀漀氀甀琀椀漀渀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㈀㘀∀㸀㈀㘀⸀ 䠀甀洀愀渀 䠀攀愀氀琀栀 愀渀搀 䐀椀猀攀愀猀攀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㈀㜀∀㸀㈀㜀⸀ 䴀椀挀爀漀戀攀猀 椀渀 栀甀洀愀渀 眀攀氀昀愀爀攀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㈀㠀∀㸀㈀㠀⸀ 䈀椀漀琀攀挀栀渀漀氀漀最礀㨀 倀爀椀渀挀椀瀀氀攀猀 愀渀搀 瀀爀漀挀攀猀猀攀猀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㈀㤀∀㸀㈀㤀⸀ 䈀椀漀琀攀挀栀渀漀氀漀最礀 愀渀搀 椀琀猀 䄀瀀瀀氀椀挀愀琀椀漀渀猀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㌀ ∀㸀㌀ ⸀ 伀爀最愀渀椀猀洀猀 愀渀搀 倀漀瀀甀氀愀琀椀漀渀猀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㌀㄀∀㸀㌀㄀⸀ 䔀挀漀猀礀猀琀攀洀㰀⼀氀愀戀攀氀㸀 ਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀栀攀挀欀戀漀砀ⴀ椀琀攀洀∀㸀 ਀                            㰀氀愀戀攀氀 昀漀爀㴀∀挀栀愀瀀琀攀爀㌀㈀∀㸀㌀㈀⸀ 䈀椀漀搀椀瘀攀爀猀椀琀礀 愀渀搀 椀琀猀 挀漀渀猀攀爀瘀愀琀椀漀渀㰀⼀氀愀戀攀氀㸀 ਀                    㰀⼀搀椀瘀㸀 ਀                
਀                    㰀栀㌀ 挀氀愀猀猀㴀∀猀攀挀琀椀漀渀ⴀ琀椀琀氀攀∀㸀匀攀氀攀挀琀 一甀洀戀攀爀 漀昀 儀甀攀猀琀椀漀渀猀㰀⼀栀㌀㸀
਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀漀甀渀琀ⴀ戀琀渀∀ 椀搀㴀∀搀攀挀爀攀愀猀攀䌀漀甀渀琀∀㸀ⴀ㰀⼀搀椀瘀㸀
90
਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀挀漀甀渀琀ⴀ戀琀渀∀ 椀搀㴀∀椀渀挀爀攀愀猀攀䌀漀甀渀琀∀㸀⬀㰀⼀搀椀瘀㸀
਀                㰀⼀搀椀瘀㸀 ਀                㰀搀椀瘀 椀搀㴀∀洀攀猀猀愀最攀∀ 挀氀愀猀猀㴀∀栀椀搀搀攀渀∀㸀㰀⼀搀椀瘀㸀
਀                    㰀戀甀琀琀漀渀 挀氀愀猀猀㴀∀戀琀渀 戀琀渀ⴀ搀愀渀最攀爀∀ 椀搀㴀∀戀愀挀欀吀漀倀爀愀挀琀椀挀攀吀礀瀀攀䈀琀渀∀㸀䈀愀挀欀㰀⼀戀甀琀琀漀渀㸀 ਀                㰀⼀搀椀瘀㸀
਀                㰀⼀搀椀瘀㸀 ਀                㰀搀椀瘀 挀氀愀猀猀㴀∀戀琀渀ⴀ最爀漀甀瀀∀㸀 ਀                    㰀戀甀琀琀漀渀 挀氀愀猀猀㴀∀戀琀渀 戀琀渀ⴀ猀甀挀挀攀猀猀∀ 椀搀㴀∀最攀渀攀爀愀琀攀䘀椀渀愀氀䈀琀渀∀㸀䜀攀渀攀爀愀琀攀 倀爀愀挀琀椀挀攀 匀攀琀㰀⼀戀甀琀琀漀渀㸀
਀            㰀⼀搀椀瘀㸀 ਀    㰀⼀搀椀瘀㸀 ਀    㰀搀椀瘀 挀氀愀猀猀㴀∀挀漀渀琀愀椀渀攀爀 栀椀搀搀攀渀∀ 椀搀㴀∀最攀渀攀爀愀琀攀搀倀愀瀀攀爀䌀漀渀琀愀椀渀攀爀∀㸀㰀⼀搀椀瘀㸀 ਀    㰀猀挀爀椀瀀琀㸀 // Initialize jsPDF਀        挀漀渀猀琀 笀 樀猀倀䐀䘀 紀 㴀 眀椀渀搀漀眀⸀樀猀瀀搀昀㬀 ਀        ⼀⼀ 䐀伀䴀 䔀氀攀洀攀渀琀猀 const startContainer = document.getElementById('startContainer');਀        挀漀渀猀琀 猀琀愀爀琀匀挀爀攀攀渀 㴀 搀漀挀甀洀攀渀琀⸀最攀琀䔀氀攀洀攀渀琀䈀礀䤀搀⠀✀猀琀愀爀琀匀挀爀攀攀渀✀⤀㬀 const practiceTypeSelection = document.getElementById('practiceTypeSelection');਀        挀漀渀猀琀 挀栀愀瀀琀攀爀匀攀氀攀挀琀椀漀渀 㴀 搀漀挀甀洀攀渀琀⸀最攀琀䔀氀攀洀攀渀琀䈀礀䤀搀⠀✀挀栀愀瀀琀攀爀匀攀氀攀挀琀椀漀渀✀⤀㬀 const levelSelection = document.getElementById('levelSelection');਀        挀漀渀猀琀 最攀渀攀爀愀琀攀搀倀愀瀀攀爀䌀漀渀琀愀椀渀攀爀 㴀 搀漀挀甀洀攀渀琀⸀最攀琀䔀氀攀洀攀渀琀䈀礀䤀搀⠀✀最攀渀攀爀愀琀攀搀倀愀瀀攀爀䌀漀渀琀愀椀渀攀爀✀⤀㬀 ਀        ⼀⼀ 䈀甀琀琀漀渀猀 const startGeneratingBtn = document.getElementById('startGeneratingBtn');਀        挀漀渀猀琀 戀愀挀欀吀漀匀琀愀爀琀䈀琀渀 㴀 搀漀挀甀洀攀渀琀⸀最攀琀䔀氀攀洀攀渀琀䈀礀䤀搀⠀✀戀愀挀欀吀漀匀琀愀爀琀䈀琀渀✀⤀㬀 const proceedToChaptersBtn = document.getElementById('proceedToChaptersBtn');਀        挀漀渀猀琀 戀愀挀欀吀漀倀爀愀挀琀椀挀攀吀礀瀀攀䈀琀渀 㴀 搀漀挀甀洀攀渀琀⸀最攀琀䔀氀攀洀攀渀琀䈀礀䤀搀⠀✀戀愀挀欀吀漀倀爀愀挀琀椀挀攀吀礀瀀攀䈀琀渀✀⤀㬀 const generateAssignmentBtn = document.getElementById('generateAssignmentBtn');਀        挀漀渀猀琀 戀愀挀欀吀漀䌀栀愀瀀琀攀爀猀䈀琀渀 㴀 搀漀挀甀洀攀渀琀⸀最攀琀䔀氀攀洀攀渀琀䈀礀䤀搀⠀✀戀愀挀欀吀漀䌀栀愀瀀琀攀爀猀䈀琀渀✀⤀㬀 const generateFinalBtn = document.getElementById('generateFinalBtn');਀        挀漀渀猀琀 氀攀瘀攀氀㄀䈀琀渀 㴀 搀漀挀甀洀攀渀琀⸀最攀琀䔀氀攀洀攀渀琀䈀礀䤀搀⠀✀氀攀瘀攀氀㄀䈀琀渀✀⤀㬀 const level2Btn = document.getElementById('level2Btn');਀        挀漀渀猀琀 氀攀瘀攀氀㌀䈀琀渀 㴀 搀漀挀甀洀攀渀琀⸀最攀琀䔀氀攀洀攀渀琀䈀礀䤀搀⠀✀氀攀瘀攀氀㌀䈀琀渀✀⤀㬀 const fullPaperCheckbox = document.getElementById('fullPaper');਀        挀漀渀猀琀 挀栀愀瀀琀攀爀䌀栀攀挀欀戀漀砀攀猀 㴀 搀漀挀甀洀攀渀琀⸀焀甀攀爀礀匀攀氀攀挀琀漀爀䄀氀氀⠀✀椀渀瀀甀琀嬀渀愀洀攀㴀∀挀栀愀瀀琀攀爀∀崀㨀渀漀琀⠀⌀昀甀氀氀倀愀瀀攀爀⤀✀⤀㬀 ਀        ⼀⼀ 一攀眀 攀氀攀洀攀渀琀猀 const questionCountSection = document.getElementById('questionCountSection');਀        挀漀渀猀琀 焀甀攀猀琀椀漀渀䌀漀甀渀琀䔀氀攀洀攀渀琀 㴀 搀漀挀甀洀攀渀琀⸀最攀琀䔀氀攀洀攀渀琀䈀礀䤀搀⠀✀焀甀攀猀琀椀漀渀䌀漀甀渀琀✀⤀㬀 const decreaseCountBtn = document.getElementById('decreaseCount');਀        挀漀渀猀琀 椀渀挀爀攀愀猀攀䌀漀甀渀琀䈀琀渀 㴀 搀漀挀甀洀攀渀琀⸀最攀琀䔀氀攀洀攀渀琀䈀礀䤀搀⠀✀椀渀挀爀攀愀猀攀䌀漀甀渀琀✀⤀㬀 const timerOptions = document.getElementById('timerOptions');਀ // Variables to store selections਀        氀攀琀 猀攀氀攀挀琀攀搀䌀栀愀瀀琀攀爀猀 㴀 嬀崀㬀 let selectedLevel = null;਀        氀攀琀 猀攀氀攀挀琀攀搀倀爀愀挀琀椀挀攀吀礀瀀攀 㴀 渀甀氀氀㬀 let questionCount = 90;਀        氀攀琀 琀椀洀攀䰀椀洀椀琀 㴀 㤀 㬀 ਀        ⼀⼀ 䔀瘀攀渀琀 䰀椀猀琀攀渀攀爀猀 startGeneratingBtn.addEventListener('click', showPracticeTypeSelection);਀        戀愀挀欀吀漀匀琀愀爀琀䈀琀渀⸀愀搀搀䔀瘀攀渀琀䰀椀猀琀攀渀攀爀⠀✀挀氀椀挀欀✀Ⰰ 戀愀挀欀吀漀匀琀愀爀琀⤀㬀 proceedToChaptersBtn.addEventListener('click', showChapters);਀        戀愀挀欀吀漀倀爀愀挀琀椀挀攀吀礀瀀攀䈀琀渀⸀愀搀搀䔀瘀攀渀琀䰀椀猀琀攀渀攀爀⠀✀挀氀椀挀欀✀Ⰰ 戀愀挀欀吀漀倀爀愀挀琀椀挀攀吀礀瀀攀⤀㬀 generateAssignmentBtn.addEventListener('click', showLevelSelection);਀        戀愀挀欀吀漀䌀栀愀瀀琀攀爀猀䈀琀渀⸀愀搀搀䔀瘀攀渀琀䰀椀猀琀攀渀攀爀⠀✀挀氀椀挀欀✀Ⰰ 戀愀挀欀吀漀䌀栀愀瀀琀攀爀猀⤀㬀 generateFinalBtn.addEventListener('click', generateAssignment);਀        昀甀氀氀倀愀瀀攀爀䌀栀攀挀欀戀漀砀⸀愀搀搀䔀瘀攀渀琀䰀椀猀琀攀渀攀爀⠀✀挀栀愀渀最攀✀Ⰰ 琀漀最最氀攀䌀栀愀瀀琀攀爀猀⤀㬀 ਀        ⼀⼀ 䰀攀瘀攀氀 猀攀氀攀挀琀椀漀渀 攀瘀攀渀琀 氀椀猀琀攀渀攀爀猀 level1Btn.addEventListener('click', () => selectLevel(1));਀        氀攀瘀攀氀㈀䈀琀渀⸀愀搀搀䔀瘀攀渀琀䰀椀猀琀攀渀攀爀⠀✀挀氀椀挀欀✀Ⰰ ⠀⤀ 㴀㸀 猀攀氀攀挀琀䰀攀瘀攀氀⠀㈀⤀⤀㬀 level3Btn.addEventListener('click', () => selectLevel(3));਀         // New event listeners਀        搀攀挀爀攀愀猀攀䌀漀甀渀琀䈀琀渀⸀愀搀搀䔀瘀攀渀琀䰀椀猀琀攀渀攀爀⠀✀挀氀椀挀欀✀Ⰰ 搀攀挀爀攀愀猀攀儀甀攀猀琀椀漀渀䌀漀甀渀琀⤀㬀 increaseCountBtn.addEventListener('click', increaseQuestionCount);਀         // Practice type selection਀        搀漀挀甀洀攀渀琀⸀焀甀攀爀礀匀攀氀攀挀琀漀爀䄀氀氀⠀✀⸀漀瀀琀椀漀渀ⴀ挀愀爀搀✀⤀⸀昀漀爀䔀愀挀栀⠀挀愀爀搀 㴀㸀 笀 card.addEventListener('click', () => {਀                搀漀挀甀洀攀渀琀⸀焀甀攀爀礀匀攀氀攀挀琀漀爀䄀氀氀⠀✀⸀漀瀀琀椀漀渀ⴀ挀愀爀搀✀⤀⸀昀漀爀䔀愀挀栀⠀挀 㴀㸀 挀⸀挀氀愀猀猀䰀椀猀琀⸀爀攀洀漀瘀攀⠀✀猀攀氀攀挀琀攀搀✀⤀⤀㬀 card.classList.add('selected');਀                猀攀氀攀挀琀攀搀倀爀愀挀琀椀挀攀吀礀瀀攀 㴀 挀愀爀搀⸀最攀琀䄀琀琀爀椀戀甀琀攀⠀✀搀愀琀愀ⴀ琀礀瀀攀✀⤀㬀 ਀                ⼀⼀ 匀攀琀 搀攀昀愀甀氀琀 焀甀攀猀琀椀漀渀 挀漀甀渀琀 戀愀猀攀搀 漀渀 瀀爀愀挀琀椀挀攀 琀礀瀀攀 if (selectedPracticeType === 'full-length') {਀                    焀甀攀猀琀椀漀渀䌀漀甀渀琀 㴀 㤀 㬀 questionCountElement.textContent = questionCount;਀                紀 攀氀猀攀 椀昀 ⠀猀攀氀攀挀琀攀搀倀爀愀挀琀椀挀攀吀礀瀀攀 㴀㴀㴀 ✀瀀爀攀瘀椀漀甀猀ⴀ礀攀愀爀✀⤀ 笀 questionCount = 90;਀                    焀甀攀猀琀椀漀渀䌀漀甀渀琀䔀氀攀洀攀渀琀⸀琀攀砀琀䌀漀渀琀攀渀琀 㴀 焀甀攀猀琀椀漀渀䌀漀甀渀琀㬀 }਀            紀⤀㬀 });਀         // Timer selection਀        搀漀挀甀洀攀渀琀⸀焀甀攀爀礀匀攀氀攀挀琀漀爀䄀氀氀⠀✀⸀琀椀洀攀爀ⴀ戀琀渀✀⤀⸀昀漀爀䔀愀挀栀⠀戀琀渀 㴀㸀 笀 btn.addEventListener('click', () => {਀                搀漀挀甀洀攀渀琀⸀焀甀攀爀礀匀攀氀攀挀琀漀爀䄀氀氀⠀✀⸀琀椀洀攀爀ⴀ戀琀渀✀⤀⸀昀漀爀䔀愀挀栀⠀戀 㴀㸀 戀⸀挀氀愀猀猀䰀椀猀琀⸀爀攀洀漀瘀攀⠀✀猀攀氀攀挀琀攀搀✀⤀⤀㬀 btn.classList.add('selected');਀                琀椀洀攀䰀椀洀椀琀 㴀 瀀愀爀猀攀䤀渀琀⠀戀琀渀⸀最攀琀䄀琀琀爀椀戀甀琀攀⠀✀搀愀琀愀ⴀ琀椀洀攀✀⤀⤀㬀 });਀        紀⤀㬀 ਀        ⼀⼀ 儀甀攀猀琀椀漀渀猀 搀愀琀愀戀愀猀攀 眀椀琀栀 琀栀爀攀攀 搀椀昀昀椀挀甀氀琀礀 氀攀瘀攀氀猀 昀漀爀 攀愀挀栀 挀栀愀瀀琀攀爀 const questions = {਀            ∀䌀栀愀瀀琀攀爀 ㄀∀㨀 笀 level1: [਀                    笀 焀甀攀猀琀椀漀渀㨀 ∀圀栀椀挀栀 漀昀 琀栀攀 昀漀氀氀漀眀椀渀最 椀猀 渀漀琀 愀 挀栀愀爀愀挀琀攀爀椀猀琀椀挀 漀昀 氀椀瘀椀渀最 漀爀最愀渀椀猀洀猀㼀∀Ⰰ 漀瀀琀椀漀渀猀㨀 嬀∀䜀爀漀眀琀栀∀Ⰰ ∀刀攀瀀爀漀搀甀挀琀椀漀渀∀Ⰰ ∀䴀攀琀愀戀漀氀椀猀洀∀Ⰰ ∀䤀渀攀爀琀渀攀猀猀∀崀Ⰰ 愀渀猀眀攀爀㨀 ∀䐀∀ 紀Ⰰ { question: "The basic unit of classification is:", options: ["Species", "Genus", "Family", "Order"], answer: "A" },਀                    笀 焀甀攀猀琀椀漀渀㨀 ∀䈀椀渀漀洀椀愀氀 渀漀洀攀渀挀氀愀琀甀爀攀 眀愀猀 椀渀琀爀漀搀甀挀攀搀 戀礀㨀∀Ⰰ 漀瀀琀椀漀渀猀㨀 嬀∀䰀椀渀渀愀攀甀猀∀Ⰰ ∀䐀愀爀眀椀渀∀Ⰰ ∀䴀攀渀搀攀氀∀Ⰰ ∀倀愀猀琀攀甀爀∀崀Ⰰ 愀渀猀眀攀爀㨀 ∀䄀∀ 紀 ],਀                氀攀瘀攀氀㈀㨀 嬀 { question: "Which of the following taxonomic categories includes all the others?", options: ["Class", "Order", "Family", "Species"], answer: "A" },਀                    笀 焀甀攀猀琀椀漀渀㨀 ∀吀栀攀 琀攀爀洀 ✀猀礀猀琀攀洀愀琀椀挀猀✀ 爀攀昀攀爀猀 琀漀㨀∀Ⰰ 漀瀀琀椀漀渀猀㨀 嬀∀䤀搀攀渀琀椀昀椀挀愀琀椀漀渀 漀昀 漀爀最愀渀椀猀洀猀∀Ⰰ ∀䌀氀愀猀猀椀昀椀挀愀琀椀漀渀 漀昀 漀爀最愀渀椀猀洀猀∀Ⰰ ∀一漀洀攀渀挀氀愀琀甀爀攀 漀昀 漀爀最愀渀椀猀洀猀∀Ⰰ ∀吀栀攀 猀琀甀搀礀 漀昀 搀椀瘀攀爀猀椀琀礀 漀昀 漀爀最愀渀椀猀洀猀 愀渀搀 琀栀攀椀爀 攀瘀漀氀甀琀椀漀渀愀爀礀 爀攀氀愀琀椀漀渀猀栀椀瀀猀∀崀Ⰰ 愀渀猀眀攀爀㨀 ∀䐀∀ 紀 ],਀                氀攀瘀攀氀㌀㨀 嬀 { question: "In the classification of plants, the term 'division' is used instead of:", options: ["Phylum", "Class", "Order", "Family"], answer: "A" },਀                    笀 焀甀攀猀琀椀漀渀㨀 ∀圀栀椀挀栀 漀昀 琀栀攀 昀漀氀氀漀眀椀渀最 椀猀 琀栀攀 挀漀爀爀攀挀琀 猀攀焀甀攀渀挀攀 漀昀 琀愀砀漀渀漀洀椀挀 挀愀琀攀最漀爀椀攀猀㼀∀Ⰰ 漀瀀琀椀漀渀猀㨀 嬀∀匀瀀攀挀椀攀猀 鈀‡䜀攀渀甀猀 鈀‡䘀愀洀椀氀礀 鈀‡伀爀搀攀爀 鈀‡䌀氀愀猀猀 鈀‡倀栀礀氀甀洀 鈀‡䬀椀渀最搀漀洀∀Ⰰ ∀匀瀀攀挀椀攀猀 鈀‡䜀攀渀甀猀 鈀‡伀爀搀攀爀 鈀‡䘀愀洀椀氀礀 鈀‡䌀氀愀猀猀 鈀‡倀栀礀氀甀洀 鈀‡䬀椀渀最搀漀洀∀Ⰰ ∀䜀攀渀甀猀 鈀‡匀瀀攀挀椀攀猀 鈀‡䘀愀洀椀氀礀 鈀‡伀爀搀攀爀 鈀‡䌀氀愀猀猀 鈀‡倀栀礀氀甀洀 鈀‡䬀椀渀最搀漀洀∀Ⰰ ∀匀瀀攀挀椀攀猀 鈀‡䜀攀渀甀猀 鈀‡䘀愀洀椀氀礀 鈀‡䌀氀愀猀猀 鈀‡伀爀搀攀爀 鈀‡倀栀礀氀甀洀 鈀‡䬀椀渀最搀漀洀∀崀Ⰰ 愀渀猀眀攀爀㨀 ∀䄀∀ 紀 ]਀            紀Ⰰ "Chapter 2": {਀                氀攀瘀攀氀㄀㨀 嬀 { question: "Who proposed the five-kingdom classification?", options: ["Linnaeus", "Whittaker", "Haeckel", "Copeland"], answer: "B" },਀                    笀 焀甀攀猀琀椀漀渀㨀 ∀圀栀椀挀栀 欀椀渀最搀漀洀 椀渀挀氀甀搀攀猀 漀爀最愀渀椀猀洀猀 琀栀愀琀 愀爀攀 甀渀椀挀攀氀氀甀氀愀爀 愀渀搀 瀀爀漀欀愀爀礀漀琀椀挀㼀∀Ⰰ 漀瀀琀椀漀渀猀㨀 嬀∀䴀漀渀攀爀愀∀Ⰰ ∀倀爀漀琀椀猀琀愀∀Ⰰ ∀䘀甀渀最椀∀Ⰰ ∀倀氀愀渀琀愀攀∀崀Ⰰ 愀渀猀眀攀爀㨀 ∀䄀∀ 紀 ],਀                氀攀瘀攀氀㈀㨀 嬀 { question: "Archaebacteria differ from eubacteria in:", options: ["Cell membrane structure", "Mode of nutrition", "Cell shape", "Mode of reproduction"], answer: "A" },਀                    笀 焀甀攀猀琀椀漀渀㨀 ∀圀栀椀挀栀 漀昀 琀栀攀 昀漀氀氀漀眀椀渀最 椀猀 渀漀琀 愀 挀栀愀爀愀挀琀攀爀椀猀琀椀挀 漀昀 昀甀渀最椀㼀∀Ⰰ 漀瀀琀椀漀渀猀㨀 嬀∀䔀甀欀愀爀礀漀琀椀挀∀Ⰰ ∀䄀甀琀漀琀爀漀瀀栀椀挀∀Ⰰ ∀䠀攀琀攀爀漀琀爀漀瀀栀椀挀∀Ⰰ ∀䌀攀氀氀 眀愀氀氀 洀愀搀攀 漀昀 挀栀椀琀椀渀∀崀Ⰰ 愀渀猀眀攀爀㨀 ∀䈀∀ 紀 ],਀                氀攀瘀攀氀㌀㨀 嬀 { question: "Diatoms are classified under:", options: ["Monera", "Protista", "Fungi", "Plantae"], answer: "B" },਀                    笀 焀甀攀猀琀椀漀渀㨀 ∀圀栀椀挀栀 漀昀 琀栀攀 昀漀氀氀漀眀椀渀最 猀琀愀琀攀洀攀渀琀猀 椀猀 椀渀挀漀爀爀攀挀琀 愀戀漀甀琀 瘀椀爀甀猀攀猀㼀∀Ⰰ 漀瀀琀椀漀渀猀㨀 嬀∀吀栀攀礀 挀漀渀琀愀椀渀 攀椀琀栀攀爀 刀一䄀 漀爀 䐀一䄀∀Ⰰ ∀吀栀攀礀 愀爀攀 漀戀氀椀最愀琀攀 瀀愀爀愀猀椀琀攀猀∀Ⰰ ∀吀栀攀礀 挀愀渀 戀攀 挀爀礀猀琀愀氀氀椀稀攀搀∀Ⰰ ∀吀栀攀礀 栀愀瘀攀 琀栀攀椀爀 漀眀渀 洀攀琀愀戀漀氀椀挀 猀礀猀琀攀洀∀崀Ⰰ 愀渀猀眀攀爀㨀 ∀䐀∀ 紀 ]਀            紀Ⰰ "Chapter 3": {਀                氀攀瘀攀氀㄀㨀 嬀 { question: "Which of the following is not a bryophyte?", options: ["Funaria", "Marchantia", "Sphagnum", "Pinus"], answer: "D" },਀                    笀 焀甀攀猀琀椀漀渀㨀 ∀吀栀攀 瀀氀愀渀琀 戀漀搀礀 漀昀 愀氀最愀攀 椀猀 挀愀氀氀攀搀㨀∀Ⰰ 漀瀀琀椀漀渀猀㨀 嬀∀吀栀愀氀氀甀猀∀Ⰰ ∀䴀礀挀攀氀椀甀洀∀Ⰰ ∀倀爀漀琀栀愀氀氀甀猀∀Ⰰ ∀匀瀀漀爀漀瀀栀礀琀攀∀崀Ⰰ 愀渀猀眀攀爀㨀 ∀䄀∀ 紀 ],਀                氀攀瘀攀氀㈀㨀 嬀 { question: "In pteridophytes, the dominant phase in the life cycle is:", options: ["Gametophyte", "Sporophyte", "Both equally", "None of these"], answer: "B" },਀                    笀 焀甀攀猀琀椀漀渀㨀 ∀圀栀椀挀栀 漀昀 琀栀攀 昀漀氀氀漀眀椀渀最 椀猀 愀 最礀洀渀漀猀瀀攀爀洀㼀∀Ⰰ 漀瀀琀椀漀渀猀㨀 嬀∀䌀礀挀愀猀∀Ⰰ ∀倀椀渀甀猀∀Ⰰ ∀䜀椀渀欀最漀∀Ⰰ ∀䄀氀氀 漀昀 琀栀攀猀攀∀崀Ⰰ 愀渀猀眀攀爀㨀 ∀䐀∀ 紀 ],਀                氀攀瘀攀氀㌀㨀 嬀 { question: "The heterosporous pteridophyte is:", options: ["Equisetum", "Salvinia", "Lycopodium", "Selaginella"], answer: "D" },਀                    笀 焀甀攀猀琀椀漀渀㨀 ∀圀栀椀挀栀 漀昀 琀栀攀 昀漀氀氀漀眀椀渀最 椀猀 渀漀琀 愀 挀栀愀爀愀挀琀攀爀椀猀琀椀挀 漀昀 愀渀最椀漀猀瀀攀爀洀猀㼀∀Ⰰ 漀瀀琀椀漀渀猀㨀 嬀∀倀爀攀猀攀渀挀攀 漀昀 昀氀漀眀攀爀猀∀Ⰰ ∀䘀漀爀洀愀琀椀漀渀 漀昀 昀爀甀椀琀猀∀Ⰰ ∀䐀漀甀戀氀攀 昀攀爀琀椀氀椀稀愀琀椀漀渀∀Ⰰ ∀一愀欀攀搀 猀攀攀搀猀∀崀Ⰰ 愀渀猀眀攀爀㨀 ∀䐀∀ 紀 ]਀            紀Ⰰ "Chapter 4": {਀                氀攀瘀攀氀㄀㨀 嬀 { question: "Which of the following is not a chordate character?", options: ["Notochord", "Dorsal hollow nerve cord", "Pharyngeal gill slits", "Ventral heart"], answer: "D" },਀                    笀 焀甀攀猀琀椀漀渀㨀 ∀䄀渀椀洀愀氀猀 戀攀氀漀渀最椀渀最 琀漀 瀀栀礀氀甀洀 倀漀爀椀昀攀爀愀 愀爀攀 挀漀洀洀漀渀氀礀 欀渀漀眀渀 愀猀㨀∀Ⰰ 漀瀀琀椀漀渀猀㨀 嬀∀匀瀀漀渀最攀猀∀Ⰰ ∀䘀氀愀琀眀漀爀洀猀∀Ⰰ ∀刀漀甀渀搀眀漀爀洀猀∀Ⰰ ∀䌀漀攀氀攀渀琀攀爀愀琀攀猀∀崀Ⰰ 愀渀猀眀攀爀㨀 ∀䄀∀ 紀 ],਀                氀攀瘀攀氀㈀㨀 嬀 { question: "Which of the following is a diploblastic animal?", options: ["Hydra", "Planaria", "Ascaris", "Earthworm"], answer: "A" },਀                    笀 焀甀攀猀琀椀漀渀㨀 ∀吀栀攀 戀漀搀礀 挀愀瘀椀琀礀 漀昀 愀爀琀栀爀漀瀀漀搀猀 椀猀 挀愀氀氀攀搀㨀∀Ⰰ 漀瀀琀椀漀渀猀㨀 嬀∀䌀漀攀氀漀洀∀Ⰰ ∀倀猀攀甀搀漀挀漀攀氀漀洀∀Ⰰ ∀䠀愀攀洀漀挀漀攀氀∀Ⰰ ∀䄀挀漀攀氀漀洀∀崀Ⰰ 愀渀猀眀攀爀㨀 ∀䌀∀ 紀 ],਀                氀攀瘀攀氀㌀㨀 嬀 { question: "Which of the following is not a characteristic of mammals?", options: ["Mammary glands", "External ears", "Cold-blooded", "Diaphragm"], answer: "C" },਀                    笀 焀甀攀猀琀椀漀渀㨀 ∀吀栀攀 攀砀挀爀攀琀漀爀礀 漀爀最愀渀 椀渀 瀀氀愀琀礀栀攀氀洀椀渀琀栀攀猀 椀猀㨀∀Ⰰ 漀瀀琀椀漀渀猀㨀 嬀∀䘀氀愀洀攀 挀攀氀氀猀∀Ⰰ ∀一攀瀀栀爀椀搀椀愀∀Ⰰ ∀䴀愀氀瀀椀最栀椀愀渀 琀甀戀甀氀攀猀∀Ⰰ ∀䬀椀搀渀攀礀猀∀崀Ⰰ 愀渀猀眀攀爀㨀 ∀䄀∀ 紀 ]਀            紀Ⰰ // For brevity, I'm showing only a few chapters. In a complete implementation, all 32 chapters would be included.਀            ∀䌀栀愀瀀琀攀爀 ㌀㈀∀㨀 笀 level1: [਀                    笀 焀甀攀猀琀椀漀渀㨀 ∀䈀椀漀搀椀瘀攀爀猀椀琀礀 栀漀琀猀瀀漀琀猀 愀爀攀 挀栀愀爀愀挀琀攀爀椀稀攀搀 戀礀㨀∀Ⰰ 漀瀀琀椀漀渀猀㨀 嬀∀䠀椀最栀 猀瀀攀挀椀攀猀 爀椀挀栀渀攀猀猀∀Ⰰ ∀䠀椀最栀 搀攀最爀攀攀 漀昀 攀渀搀攀洀椀猀洀∀Ⰰ ∀䠀椀最栀 搀攀最爀攀攀 漀昀 琀栀爀攀愀琀∀Ⰰ ∀䄀氀氀 漀昀 琀栀攀猀攀∀崀Ⰰ 愀渀猀眀攀爀㨀 ∀䐀∀ 紀Ⰰ { question: "The 'Evil Quartet' describes the causes of:", options: ["Pollution", "Biodiversity loss", "Climate change", "Deforestation"], answer: "B" }਀                崀Ⰰ level2: [਀                    笀 焀甀攀猀琀椀漀渀㨀 ∀圀栀椀挀栀 漀昀 琀栀攀 昀漀氀氀漀眀椀渀最 椀猀 愀渀 攀砀ⴀ猀椀琀甀 挀漀渀猀攀爀瘀愀琀椀漀渀 洀攀琀栀漀搀㼀∀Ⰰ 漀瀀琀椀漀渀猀㨀 嬀∀一愀琀椀漀渀愀氀 瀀愀爀欀猀∀Ⰰ ∀圀椀氀搀氀椀昀攀 猀愀渀挀琀甀愀爀椀攀猀∀Ⰰ ∀䈀椀漀猀瀀栀攀爀攀 爀攀猀攀爀瘀攀猀∀Ⰰ ∀䈀漀琀愀渀椀挀愀氀 最愀爀搀攀渀猀∀崀Ⰰ 愀渀猀眀攀爀㨀 ∀䐀∀ 紀Ⰰ { question: "The 'Red Data Book' contains information about:", options: ["Endangered species", "Economically important species", "Species extinct in the wild", "All of these"], answer: "A" }਀                崀Ⰰ level3: [਀                    笀 焀甀攀猀琀椀漀渀㨀 ∀圀栀椀挀栀 漀昀 琀栀攀 昀漀氀氀漀眀椀渀最 椀猀 渀漀琀 愀 挀愀甀猀攀 漀昀 戀椀漀搀椀瘀攀爀猀椀琀礀 氀漀猀猀㼀∀Ⰰ 漀瀀琀椀漀渀猀㨀 嬀∀䠀愀戀椀琀愀琀 氀漀猀猀 愀渀搀 昀爀愀最洀攀渀琀愀琀椀漀渀∀Ⰰ ∀伀瘀攀爀ⴀ攀砀瀀氀漀椀琀愀琀椀漀渀∀Ⰰ ∀䄀氀椀攀渀 猀瀀攀挀椀攀猀 椀渀瘀愀猀椀漀渀∀Ⰰ ∀刀攀昀漀爀攀猀琀愀琀椀漀渀∀崀Ⰰ 愀渀猀眀攀爀㨀 ∀䐀∀ 紀Ⰰ { question: "The 'Rivet Popper Hypothesis' was proposed by:", options: ["Paul Ehrlich", "Edward Wilson", "Robert May", "Norman Myers"], answer: "A" }਀                崀 }਀        紀㬀 ਀        ⼀⼀ 䘀漀爀 搀攀洀漀渀猀琀爀愀琀椀漀渀Ⰰ 䤀✀氀氀 愀搀搀 瀀氀愀挀攀栀漀氀搀攀爀 焀甀攀猀琀椀漀渀猀 昀漀爀 愀氀氀 挀栀愀瀀琀攀爀猀 // In a real implementation, each chapter would have proper questions for all three levels਀        挀漀渀猀琀 挀栀愀瀀琀攀爀一愀洀攀猀 㴀 嬀 "The Living World", "Biological Classification", "Plant Kingdom", "Animal Kingdom", ਀            ∀䴀漀爀瀀栀漀氀漀最礀 漀昀 䘀氀漀眀攀爀椀渀最 倀氀愀渀琀猀∀Ⰰ ∀䄀渀愀琀漀洀礀 漀昀 䘀氀漀眀攀爀椀渀最 倀氀愀渀琀猀∀Ⰰ ∀匀琀爀甀挀琀甀爀愀氀 伀爀最愀渀椀猀愀琀椀漀渀 椀渀 䄀渀椀洀愀氀猀∀Ⰰ  "Cell: The Unit of Life", "Biomolecules", "Cell Cycle and Cell Division", ਀            ∀倀栀漀琀漀猀礀渀琀栀攀猀椀猀 椀渀 䠀椀最栀攀爀 倀氀愀渀琀猀∀Ⰰ ∀刀攀猀瀀椀爀愀琀椀漀渀 䤀渀 倀氀愀渀琀猀∀Ⰰ ∀倀氀愀渀琀 䜀爀漀眀琀栀 愀渀搀 䐀攀瘀攀氀漀瀀洀攀渀琀∀Ⰰ  "Breathing and Exchange of Gases", "Body Fluids and Circulation", "Excretory Products and their Elimination", ਀            ∀䰀漀挀漀洀漀琀椀漀渀 愀渀搀 䴀漀瘀攀洀攀渀琀猀∀Ⰰ ∀一攀甀爀愀氀 䌀漀渀琀爀漀氀 愀渀搀 䌀漀漀爀搀椀渀愀琀椀漀渀∀Ⰰ ∀䌀栀攀洀椀挀愀氀 䌀漀漀爀搀椀渀愀琀椀漀渀 愀渀搀 䤀渀琀攀最爀愀琀椀漀渀∀Ⰰ  "Sexual reproduction in flowering plants", "Human Reproduction", "Reproductive health", ਀            ∀倀爀椀渀挀椀瀀氀攀猀 漀昀 䤀渀栀攀爀椀琀愀渀挀攀 愀渀搀 嘀愀爀椀愀琀椀漀渀∀Ⰰ ∀䴀漀氀攀挀甀氀愀爀 戀愀猀椀猀 漀昀 䤀渀栀攀爀椀琀愀渀挀攀∀Ⰰ ∀䔀瘀漀氀甀琀椀漀渀∀Ⰰ  "Human Health and Disease", "Microbes in human welfare", "Biotechnology: Principles and processes", ਀            ∀䈀椀漀琀攀挀栀渀漀氀漀最礀 愀渀搀 椀琀猀 䄀瀀瀀氀椀挀愀琀椀漀渀猀∀Ⰰ ∀伀爀最愀渀椀猀洀猀 愀渀搀 倀漀瀀甀氀愀琀椀漀渀猀∀Ⰰ ∀䔀挀漀猀礀猀琀攀洀∀Ⰰ ∀䈀椀漀搀椀瘀攀爀猀椀琀礀 愀渀搀 椀琀猀 挀漀渀猀攀爀瘀愀琀椀漀渀∀ ];਀ // Fill in placeholder questions for all chapters਀        昀漀爀 ⠀氀攀琀 椀 㴀 ㄀㬀 椀 㰀㴀 ㌀㈀㬀 椀⬀⬀⤀ 笀 const chapterKey = `Chapter ${i}`;਀            椀昀 ⠀℀焀甀攀猀琀椀漀渀猀嬀挀栀愀瀀琀攀爀䬀攀礀崀⤀ 笀 questions[chapterKey] = {਀                    氀攀瘀攀氀㄀㨀 嬀 { question: `Level 1 question for ${chapterNames[i-1]}`, options: ["Option A", "Option B", "Option C", "Option D"], answer: "A" },਀                        笀 焀甀攀猀琀椀漀渀㨀 怀䄀渀漀琀栀攀爀 䰀攀瘀攀氀 ㄀ 焀甀攀猀琀椀漀渀 昀漀爀 ␀笀挀栀愀瀀琀攀爀一愀洀攀猀嬀椀ⴀ㄀崀紀怀Ⰰ 漀瀀琀椀漀渀猀㨀 嬀∀伀瀀琀椀漀渀 䄀∀Ⰰ ∀伀瀀琀椀漀渀 䈀∀Ⰰ ∀伀瀀琀椀漀渀 䌀∀Ⰰ ∀伀瀀琀椀漀渀 䐀∀崀Ⰰ 愀渀猀眀攀爀㨀 ∀䈀∀ 紀 ],਀                    氀攀瘀攀氀㈀㨀 嬀 { question: `Level 2 question for ${chapterNames[i-1]}`, options: ["Option A", "Option B", "Option C", "Option D"], answer: "C" },਀                        笀 焀甀攀猀琀椀漀渀㨀 怀䄀渀漀琀栀攀爀 䰀攀瘀攀氀 ㈀ 焀甀攀猀琀椀漀渀 昀漀爀 ␀笀挀栀愀瀀琀攀爀一愀洀攀猀嬀椀ⴀ㄀崀紀怀Ⰰ 漀瀀琀椀漀渀猀㨀 嬀∀伀瀀琀椀漀渀 䄀∀Ⰰ ∀伀瀀琀椀漀渀 䈀∀Ⰰ ∀伀瀀琀椀漀渀 䌀∀Ⰰ ∀伀瀀琀椀漀渀 䐀∀崀Ⰰ 愀渀猀眀攀爀㨀 ∀䐀∀ 紀 ],਀                    氀攀瘀攀氀㌀㨀 嬀 { question: `Level 3 question for ${chapterNames[i-1]}`, options: ["Option A", "Option B", "Option C", "Option D"], answer: "A" },਀                        笀 焀甀攀猀琀椀漀渀㨀 怀䄀渀漀琀栀攀爀 䰀攀瘀攀氀 ㌀ 焀甀攀猀琀椀漀渀 昀漀爀 ␀笀挀栀愀瀀琀攀爀一愀洀攀猀嬀椀ⴀ㄀崀紀怀Ⰰ 漀瀀琀椀漀渀猀㨀 嬀∀伀瀀琀椀漀渀 䄀∀Ⰰ ∀伀瀀琀椀漀渀 䈀∀Ⰰ ∀伀瀀琀椀漀渀 䌀∀Ⰰ ∀伀瀀琀椀漀渀 䐀∀崀Ⰰ 愀渀猀眀攀爀㨀 ∀䈀∀ 紀 ]਀                紀㬀 }਀        紀 ਀        昀甀渀挀琀椀漀渀 最攀琀刀愀渀搀漀洀儀甀攀猀琀椀漀渀猀⠀挀栀愀瀀琀攀爀猀Ⰰ 氀攀瘀攀氀Ⰰ 挀漀甀渀琀⤀ 笀 try {਀                氀攀琀 愀氀氀儀甀攀猀琀椀漀渀猀 㴀 嬀崀㬀 chapters.forEach(chapter => {਀                    椀昀 ⠀焀甀攀猀琀椀漀渀猀嬀挀栀愀瀀琀攀爀崀 ☀☀ 焀甀攀猀琀椀漀渀猀嬀挀栀愀瀀琀攀爀崀嬀怀氀攀瘀攀氀␀笀氀攀瘀攀氀紀怀崀⤀ 笀 allQuestions = allQuestions.concat(questions[chapter][`level${level}`]);਀                    紀 });਀                愀氀氀儀甀攀猀琀椀漀渀猀 㴀 愀氀氀儀甀攀猀琀椀漀渀猀⸀猀漀爀琀⠀⠀⤀ 㴀㸀 䴀愀琀栀⸀爀愀渀搀漀洀⠀⤀ ⴀ  ⸀㔀⤀㬀 return allQuestions.slice(0, count);਀            紀 挀愀琀挀栀 ⠀攀爀爀漀爀⤀ 笀 console.error("Error in getRandomQuestions:", error);਀                爀攀琀甀爀渀 嬀崀㬀 }਀        紀 ਀        昀甀渀挀琀椀漀渀 猀栀漀眀倀爀愀挀琀椀挀攀吀礀瀀攀匀攀氀攀挀琀椀漀渀⠀⤀ 笀 startScreen.classList.add('hidden');਀            瀀爀愀挀琀椀挀攀吀礀瀀攀匀攀氀攀挀琀椀漀渀⸀挀氀愀猀猀䰀椀猀琀⸀爀攀洀漀瘀攀⠀✀栀椀搀搀攀渀✀⤀㬀 }਀ function showChapters() {਀            椀昀 ⠀℀猀攀氀攀挀琀攀搀倀爀愀挀琀椀挀攀吀礀瀀攀⤀ 笀 alert("Please select a practice type!");਀                爀攀琀甀爀渀㬀 }਀             practiceTypeSelection.classList.add('hidden');਀            挀栀愀瀀琀攀爀匀攀氀攀挀琀椀漀渀⸀挀氀愀猀猀䰀椀猀琀⸀爀攀洀漀瘀攀⠀✀栀椀搀搀攀渀✀⤀㬀 }਀ function showLevelSelection() {਀            ⼀⼀ 䜀攀琀 猀攀氀攀挀琀攀搀 挀栀愀瀀琀攀爀猀 selectedChapters = fullPaperCheckbox.checked ਀                㼀 伀戀樀攀挀琀⸀欀攀礀猀⠀焀甀攀猀琀椀漀渀猀⤀  : Array.from(document.querySelectorAll('input[name="chapter"]:checked')).map(cb => cb.value);਀ if (selectedChapters.length === 0) {਀                愀氀攀爀琀⠀∀倀氀攀愀猀攀 猀攀氀攀挀琀 愀琀 氀攀愀猀琀 漀渀攀 挀栀愀瀀琀攀爀℀∀⤀㬀 return;਀            紀 ਀            挀栀愀瀀琀攀爀匀攀氀攀挀琀椀漀渀⸀挀氀愀猀猀䰀椀猀琀⸀愀搀搀⠀✀栀椀搀搀攀渀✀⤀㬀 levelSelection.classList.remove('hidden');਀        紀 ਀        昀甀渀挀琀椀漀渀 猀攀氀攀挀琀䰀攀瘀攀氀⠀氀攀瘀攀氀⤀ 笀 // Remove selected class from all level buttons਀            氀攀瘀攀氀㄀䈀琀渀⸀挀氀愀猀猀䰀椀猀琀⸀爀攀洀漀瘀攀⠀✀猀攀氀攀挀琀攀搀✀⤀㬀 level2Btn.classList.remove('selected');਀            氀攀瘀攀氀㌀䈀琀渀⸀挀氀愀猀猀䰀椀猀琀⸀爀攀洀漀瘀攀⠀✀猀攀氀攀挀琀攀搀✀⤀㬀 ਀            ⼀⼀ 䄀搀搀 猀攀氀攀挀琀攀搀 挀氀愀猀猀 琀漀 琀栀攀 挀氀椀挀欀攀搀 戀甀琀琀漀渀 document.getElementById(`level${level}Btn`).classList.add('selected');਀             selectedLevel = level;਀        紀 ਀        昀甀渀挀琀椀漀渀 琀漀最最氀攀䌀栀愀瀀琀攀爀猀⠀⤀ 笀 chapterCheckboxes.forEach(cb => cb.disabled = fullPaperCheckbox.checked);਀        紀 ਀        昀甀渀挀琀椀漀渀 搀攀挀爀攀愀猀攀儀甀攀猀琀椀漀渀䌀漀甀渀琀⠀⤀ 笀 if (questionCount > 10) {਀                焀甀攀猀琀椀漀渀䌀漀甀渀琀 ⴀ㴀 㔀㬀 questionCountElement.textContent = questionCount;਀            紀 }਀ function increaseQuestionCount() {਀            椀昀 ⠀焀甀攀猀琀椀漀渀䌀漀甀渀琀 㰀 ㄀㠀 ⤀ 笀 questionCount += 5;਀                焀甀攀猀琀椀漀渀䌀漀甀渀琀䔀氀攀洀攀渀琀⸀琀攀砀琀䌀漀渀琀攀渀琀 㴀 焀甀攀猀琀椀漀渀䌀漀甀渀琀㬀 }਀        紀 ਀        昀甀渀挀琀椀漀渀 戀愀挀欀吀漀匀琀愀爀琀⠀⤀ 笀 generatedPaperContainer.classList.add('hidden');਀            猀琀愀爀琀䌀漀渀琀愀椀渀攀爀⸀挀氀愀猀猀䰀椀猀琀⸀爀攀洀漀瘀攀⠀✀栀椀搀搀攀渀✀⤀㬀 practiceTypeSelection.classList.add('hidden');਀            挀栀愀瀀琀攀爀匀攀氀攀挀琀椀漀渀⸀挀氀愀猀猀䰀椀猀琀⸀愀搀搀⠀✀栀椀搀搀攀渀✀⤀㬀 levelSelection.classList.add('hidden');਀            猀琀愀爀琀匀挀爀攀攀渀⸀挀氀愀猀猀䰀椀猀琀⸀爀攀洀漀瘀攀⠀✀栀椀搀搀攀渀✀⤀㬀 ਀            ⼀⼀ 刀攀猀攀琀 猀攀氀攀挀琀椀漀渀猀 selectedChapters = [];਀            猀攀氀攀挀琀攀搀䰀攀瘀攀氀 㴀 渀甀氀氀㬀 selectedPracticeType = null;਀            焀甀攀猀琀椀漀渀䌀漀甀渀琀 㴀 㤀 㬀 timeLimit = 90;਀             // Reset buttons਀            氀攀瘀攀氀㄀䈀琀渀⸀挀氀愀猀猀䰀椀猀琀⸀爀攀洀漀瘀攀⠀✀猀攀氀攀挀琀攀搀✀⤀㬀 level2Btn.classList.remove('selected');਀            氀攀瘀攀氀㌀䈀琀渀⸀挀氀愀猀猀䰀椀猀琀⸀爀攀洀漀瘀攀⠀✀猀攀氀攀挀琀攀搀✀⤀㬀 document.querySelectorAll('.option-card').forEach(card => card.classList.remove('selected'));਀            搀漀挀甀洀攀渀琀⸀焀甀攀爀礀匀攀氀攀挀琀漀爀䄀氀氀⠀✀⸀琀椀洀攀爀ⴀ戀琀渀✀⤀⸀昀漀爀䔀愀挀栀⠀戀琀渀 㴀㸀 戀琀渀⸀挀氀愀猀猀䰀椀猀琀⸀爀攀洀漀瘀攀⠀✀猀攀氀攀挀琀攀搀✀⤀⤀㬀 ਀            ⼀⼀ 刀攀猀攀琀 焀甀攀猀琀椀漀渀 挀漀甀渀琀 questionCountElement.textContent = questionCount;਀        紀 ਀        昀甀渀挀琀椀漀渀 戀愀挀欀吀漀倀爀愀挀琀椀挀攀吀礀瀀攀⠀⤀ 笀 chapterSelection.classList.add('hidden');਀            瀀爀愀挀琀椀挀攀吀礀瀀攀匀攀氀攀挀琀椀漀渀⸀挀氀愀猀猀䰀椀猀琀⸀爀攀洀漀瘀攀⠀✀栀椀搀搀攀渀✀⤀㬀 }਀ function backToChapters() {਀            氀攀瘀攀氀匀攀氀攀挀琀椀漀渀⸀挀氀愀猀猀䰀椀猀琀⸀愀搀搀⠀✀栀椀搀搀攀渀✀⤀㬀 chapterSelection.classList.remove('hidden');਀        紀 ਀        昀甀渀挀琀椀漀渀 最攀渀攀爀愀琀攀䄀猀猀椀最渀洀攀渀琀⠀⤀ 笀 try {਀                椀昀 ⠀℀猀攀氀攀挀琀攀搀䰀攀瘀攀氀⤀ 笀 alert("Please select a difficulty level!");਀                    爀攀琀甀爀渀㬀 }਀ console.log("Generating biology practice set...");਀                 // Hide start container and show assignment container਀                猀琀愀爀琀䌀漀渀琀愀椀渀攀爀⸀挀氀愀猀猀䰀椀猀琀⸀愀搀搀⠀✀栀椀搀搀攀渀✀⤀㬀 levelSelection.classList.add('hidden');਀                最攀渀攀爀愀琀攀搀倀愀瀀攀爀䌀漀渀琀愀椀渀攀爀⸀挀氀愀猀猀䰀椀猀琀⸀爀攀洀漀瘀攀⠀✀栀椀搀搀攀渀✀⤀㬀 generatedPaperContainer.innerHTML = '';਀                 const chapterNames = selectedChapters.map(ch => {਀                    椀昀 ⠀挀栀 㴀㴀㴀 ∀䘀甀氀氀 倀愀瀀攀爀∀⤀ 爀攀琀甀爀渀 ∀䘀甀氀氀 匀礀氀氀愀戀甀猀∀㬀 const label = document.querySelector(`label[for="${ch.toLowerCase()}"]`);਀                    爀攀琀甀爀渀 氀愀戀攀氀 㼀 挀栀 ⬀ ∀⸀ ∀ ⬀ 氀愀戀攀氀⸀琀攀砀琀䌀漀渀琀攀渀琀⸀猀瀀氀椀琀⠀∀⸀ ∀⤀嬀㄀崀 㨀 挀栀㬀 }).join(", ");਀ console.log("Chapter names:", chapterNames);਀ // Get random questions਀                挀漀渀猀琀 洀挀焀猀 㴀 最攀琀刀愀渀搀漀洀儀甀攀猀琀椀漀渀猀⠀猀攀氀攀挀琀攀搀䌀栀愀瀀琀攀爀猀Ⰰ 猀攀氀攀挀琀攀搀䰀攀瘀攀氀Ⰰ 焀甀攀猀琀椀漀渀䌀漀甀渀琀⤀㬀 ਀                挀漀渀猀漀氀攀⸀氀漀最⠀∀儀甀攀猀琀椀漀渀猀 爀攀琀爀椀攀瘀攀搀㨀∀Ⰰ 笀 洀挀焀猀 紀⤀㬀 ਀                氀攀琀 焀甀攀猀琀椀漀渀一甀洀戀攀爀 㴀 ㄀㬀 ਀                ⼀⼀ 䌀爀攀愀琀攀 瀀爀愀挀琀椀挀攀 猀攀琀 挀漀渀琀攀渀琀 let paperContent = `਀                    㰀搀椀瘀 挀氀愀猀猀㴀∀栀攀愀搀攀爀∀㸀

NEET Biology Practice Set

਀                        㰀栀㌀㸀␀笀最攀琀倀爀愀挀琀椀挀攀吀礀瀀攀一愀洀攀⠀猀攀氀攀挀琀攀搀倀爀愀挀琀椀挀攀吀礀瀀攀⤀紀㰀⼀栀㌀㸀

Level ${selectedLevel} - ${selectedLevel === 1 ? "NCERT Based" : selectedLevel === 2 ? "Higher Level" : "NEET Exam Level"}

਀                        㰀瀀㸀吀椀洀攀㨀 ␀笀琀椀洀攀䰀椀洀椀琀紀 洀椀渀甀琀攀猀㰀⼀瀀㸀 ਀                    㰀搀椀瘀 挀氀愀猀猀㴀∀挀漀渀琀攀渀琀ⴀ愀爀攀愀∀㸀
਀                            㰀瀀㸀㰀猀琀爀漀渀最㸀䤀渀猀琀爀甀挀琀椀漀渀猀㨀㰀⼀猀琀爀漀渀最㸀㰀⼀瀀㸀
    ਀                                㰀氀椀㸀吀栀椀猀 戀椀漀氀漀最礀 瀀爀愀挀琀椀挀攀 猀攀琀 挀漀渀琀愀椀渀猀 ␀笀焀甀攀猀琀椀漀渀䌀漀甀渀琀紀 䴀甀氀琀椀瀀氀攀 䌀栀漀椀挀攀 儀甀攀猀琀椀漀渀猀 ⠀䴀䌀儀猀⤀⸀㰀⼀氀椀㸀
  1. Each question has four options with only one correct answer.
  2. ਀                                㰀氀椀㸀䌀栀漀漀猀攀 琀栀攀 洀漀猀琀 愀瀀瀀爀漀瀀爀椀愀琀攀 愀渀猀眀攀爀⸀㰀⼀氀椀㸀
  3. Time: ${timeLimit} minutes
  4. ਀                                ␀笀猀攀氀攀挀琀攀搀倀爀愀挀琀椀挀攀吀礀瀀攀 㴀㴀㴀 ✀昀甀氀氀ⴀ氀攀渀最琀栀✀ 㼀 ✀㰀氀椀㸀吀栀椀猀 椀猀 愀 昀甀氀氀ⴀ氀攀渀最琀栀 戀椀漀氀漀最礀 琀攀猀琀 猀椀洀甀氀愀琀椀渀最 琀栀攀 愀挀琀甀愀氀 一䔀䔀吀 攀砀愀洀 瀀愀琀琀攀爀渀⸀㰀⼀氀椀㸀✀ 㨀 ✀✀紀
਀                        㰀⼀搀椀瘀㸀
਀                            㰀搀椀瘀 挀氀愀猀猀㴀∀猀攀挀琀椀漀渀ⴀ栀攀愀搀椀渀最∀㸀䈀椀漀氀漀最礀 儀甀攀猀琀椀漀渀猀㰀⼀搀椀瘀㸀 `;਀ // Add MCQs਀                洀挀焀猀⸀昀漀爀䔀愀挀栀⠀⠀洀挀焀Ⰰ 椀渀搀攀砀⤀ 㴀㸀 笀 paperContent += `਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀焀甀攀猀琀椀漀渀∀㸀
${questionNumber}. ${mcq.question}
਀                            㰀搀椀瘀 挀氀愀猀猀㴀∀漀瀀琀椀漀渀∀㸀䄀⸀ ␀笀洀挀焀⸀漀瀀琀椀漀渀猀嬀 崀紀㰀⼀搀椀瘀㸀
B. ${mcq.options[1]}
਀                            㰀搀椀瘀 挀氀愀猀猀㴀∀漀瀀琀椀漀渀∀㸀䌀⸀ ␀笀洀挀焀⸀漀瀀琀椀漀渀猀嬀㈀崀紀㰀⼀搀椀瘀㸀
D. ${mcq.options[3]}
਀                        㰀⼀搀椀瘀㸀 `;਀                    焀甀攀猀琀椀漀渀一甀洀戀攀爀⬀⬀㬀 });਀ // Add answer sheet਀                瀀愀瀀攀爀䌀漀渀琀攀渀琀 ⬀㴀 怀
਀                        㰀搀椀瘀 挀氀愀猀猀㴀∀愀渀猀眀攀爀ⴀ猀栀攀攀琀∀㸀

Answer Key

਀                            㰀琀愀戀氀攀 挀氀愀猀猀㴀∀愀渀猀眀攀爀ⴀ琀愀戀氀攀∀㸀 ਀                                    㰀琀爀㸀 Question No.਀                                        㰀琀栀㸀䄀渀猀眀攀爀㰀⼀琀栀㸀 Question No.਀                                        㰀琀栀㸀䄀渀猀眀攀爀㰀⼀琀栀㸀 Question No.਀                                        㰀琀栀㸀䄀渀猀眀攀爀㰀⼀琀栀㸀 ਀                                㰀⼀琀栀攀愀搀㸀 ਀                怀㬀 ਀                ⼀⼀ 䄀搀搀 愀渀猀眀攀爀猀 椀渀 最爀漀甀瀀猀 漀昀 ㌀ for (let i = 0; i < mcqs.length; i += 3) {਀                    瀀愀瀀攀爀䌀漀渀琀攀渀琀 ⬀㴀 怀㰀琀爀㸀怀㬀 for (let j = 0; j < 3; j++) {਀                        椀昀 ⠀椀 ⬀ 樀 㰀 洀挀焀猀⸀氀攀渀最琀栀⤀ 笀 paperContent += `${i + j + 1}${mcqs[i + j].answer}`;਀                        紀 攀氀猀攀 笀 paperContent += ``;਀                        紀 }਀                    瀀愀瀀攀爀䌀漀渀琀攀渀琀 ⬀㴀 怀㰀⼀琀爀㸀怀㬀 }਀ paperContent += `਀                                㰀⼀琀戀漀搀礀㸀 ਀                        㰀⼀搀椀瘀㸀
਀                            㰀戀甀琀琀漀渀 挀氀愀猀猀㴀∀戀琀渀 戀琀渀ⴀ瀀爀椀洀愀爀礀∀ 椀搀㴀∀瀀爀椀渀琀䈀琀渀∀㸀㰀椀 挀氀愀猀猀㴀∀昀愀猀 昀愀ⴀ瀀爀椀渀琀∀㸀㰀⼀椀㸀 倀爀椀渀琀 倀爀愀挀琀椀挀攀 匀攀琀㰀⼀戀甀琀琀漀渀㸀 ਀                            㰀戀甀琀琀漀渀 挀氀愀猀猀㴀∀戀琀渀 戀琀渀ⴀ搀愀渀最攀爀∀ 椀搀㴀∀渀攀眀䄀猀猀椀最渀洀攀渀琀䈀琀渀∀㸀㰀椀 挀氀愀猀猀㴀∀昀愀猀 昀愀ⴀ瀀氀甀猀∀㸀㰀⼀椀㸀 一攀眀 倀爀愀挀琀椀挀攀 匀攀琀㰀⼀戀甀琀琀漀渀㸀
਀                    㰀⼀搀椀瘀㸀 `;਀ generatedPaperContainer.innerHTML = paperContent;਀ // Add event listeners to the new buttons਀                搀漀挀甀洀攀渀琀⸀最攀琀䔀氀攀洀攀渀琀䈀礀䤀搀⠀✀瀀爀椀渀琀䈀琀渀✀⤀⸀愀搀搀䔀瘀攀渀琀䰀椀猀琀攀渀攀爀⠀✀挀氀椀挀欀✀Ⰰ 瀀爀椀渀琀䄀猀猀椀最渀洀攀渀琀⤀㬀 document.getElementById('downloadBtn').addEventListener('click', downloadPDF);਀                搀漀挀甀洀攀渀琀⸀最攀琀䔀氀攀洀攀渀琀䈀礀䤀搀⠀✀渀攀眀䄀猀猀椀最渀洀攀渀琀䈀琀渀✀⤀⸀愀搀搀䔀瘀攀渀琀䰀椀猀琀攀渀攀爀⠀✀挀氀椀挀欀✀Ⰰ 戀愀挀欀吀漀匀琀愀爀琀⤀㬀 ਀                挀漀渀猀漀氀攀⸀氀漀最⠀∀䈀椀漀氀漀最礀 瀀爀愀挀琀椀挀攀 猀攀琀 最攀渀攀爀愀琀攀搀 猀甀挀挀攀猀猀昀甀氀氀礀∀⤀㬀 } catch (error) {਀                挀漀渀猀漀氀攀⸀攀爀爀漀爀⠀∀䔀爀爀漀爀 最攀渀攀爀愀琀椀渀最 戀椀漀氀漀最礀 瀀爀愀挀琀椀挀攀 猀攀琀㨀∀Ⰰ 攀爀爀漀爀⤀㬀 alert("An error occurred while generating the biology practice set. Please try again.");਀            紀 }਀ function getPracticeTypeName(type) {਀            猀眀椀琀挀栀⠀琀礀瀀攀⤀ 笀 case 'chapter-wise': return 'Chapter-wise Practice';਀                挀愀猀攀 ✀琀漀瀀椀挀ⴀ眀椀猀攀✀㨀 爀攀琀甀爀渀 ✀吀漀瀀椀挀ⴀ眀椀猀攀 倀爀愀挀琀椀挀攀✀㬀 case 'full-length': return 'Full-Length Test';਀                挀愀猀攀 ✀瀀爀攀瘀椀漀甀猀ⴀ礀攀愀爀✀㨀 爀攀琀甀爀渀 ✀倀爀攀瘀椀漀甀猀 夀攀愀爀 儀甀攀猀琀椀漀渀猀✀㬀 default: return 'Biology Practice Set';਀            紀 }਀ function printAssignment() {਀            眀椀渀搀漀眀⸀瀀爀椀渀琀⠀⤀㬀 }਀ async function downloadPDF() {਀            挀漀渀猀琀 攀氀攀洀攀渀琀 㴀 搀漀挀甀洀攀渀琀⸀最攀琀䔀氀攀洀攀渀琀䈀礀䤀搀⠀✀最攀渀攀爀愀琀攀搀倀愀瀀攀爀䌀漀渀琀愀椀渀攀爀✀⤀㬀 ਀            ⼀⼀ 䌀爀攀愀琀攀 愀 琀攀洀瀀漀爀愀爀礀 搀椀瘀 眀椀琀栀 漀瀀琀椀洀椀稀攀搀 猀攀琀琀椀渀最猀 const tempDiv = document.createElement('div');਀            琀攀洀瀀䐀椀瘀⸀猀琀礀氀攀⸀瀀漀猀椀琀椀漀渀 㴀 ✀愀戀猀漀氀甀琀攀✀㬀 tempDiv.style.left = '-9999px';਀            琀攀洀瀀䐀椀瘀⸀猀琀礀氀攀⸀眀椀搀琀栀 㴀 ✀㜀㤀㐀瀀砀✀㬀 ⼀⼀ 䄀㐀 眀椀搀琀栀 椀渀 瀀椀砀攀氀猀 ⠀㈀㄀ 洀洀⤀ tempDiv.style.backgroundColor = 'white';਀            琀攀洀瀀䐀椀瘀⸀猀琀礀氀攀⸀瀀愀搀搀椀渀最 㴀 ✀㈀ 瀀砀✀㬀 tempDiv.innerHTML = element.innerHTML;਀            搀漀挀甀洀攀渀琀⸀戀漀搀礀⸀愀瀀瀀攀渀搀䌀栀椀氀搀⠀琀攀洀瀀䐀椀瘀⤀㬀 ਀            琀爀礀 笀 const pdf = new jsPDF('p', 'mm', 'a4');਀                挀漀渀猀琀 瀀愀最攀圀椀搀琀栀 㴀 瀀搀昀⸀椀渀琀攀爀渀愀氀⸀瀀愀最攀匀椀稀攀⸀最攀琀圀椀搀琀栀⠀⤀ ⴀ ㈀㔀⸀㐀㬀 ⼀⼀  ⸀㔀∀ 洀愀爀最椀渀猀 const pageHeight = pdf.internal.pageSize.getHeight() - 25.4;਀                 // Split content into pages਀                氀攀琀 瀀漀猀椀琀椀漀渀 㴀 ㄀㈀⸀㜀㬀 ⼀⼀ 匀琀愀爀琀 眀椀琀栀  ⸀㔀∀ 琀漀瀀 洀愀爀最椀渀 let remainingHeight = tempDiv.scrollHeight;਀                氀攀琀 瀀愀最攀一甀洀 㴀 ㄀㬀 ਀                眀栀椀氀攀 ⠀爀攀洀愀椀渀椀渀最䠀攀椀最栀琀 㸀  ⤀ 笀 // Capture the current page section਀                    挀漀渀猀琀 挀愀渀瘀愀猀 㴀 愀眀愀椀琀 栀琀洀氀㈀挀愀渀瘀愀猀⠀琀攀洀瀀䐀椀瘀Ⰰ 笀 scale: 1.5,਀                        眀椀渀搀漀眀䠀攀椀最栀琀㨀 瀀愀最攀䠀攀椀最栀琀 ⨀ ㌀⸀㜀㠀Ⰰ ⼀⼀ 洀洀 琀漀 瀀砀 windowWidth: pageWidth * 3.78,਀                        礀㨀 瀀漀猀椀琀椀漀渀 ⨀ ㌀⸀㜀㠀Ⰰ ⼀⼀ 洀洀 琀漀 瀀砀 height: pageHeight * 3.78,਀                        甀猀攀䌀伀刀匀㨀 琀爀甀攀Ⰰ backgroundColor: '#ffffff',਀                        氀漀最最椀渀最㨀 昀愀氀猀攀 });਀ const imgData = canvas.toDataURL('image/jpeg', 0.92);਀                     // Add page to PDF਀                    椀昀 ⠀瀀愀最攀一甀洀 㸀 ㄀⤀ 笀 pdf.addPage('a4', 'portrait');਀                    紀 ਀                    瀀搀昀⸀愀搀搀䤀洀愀最攀⠀椀洀最䐀愀琀愀Ⰰ ✀䨀倀䔀䜀✀Ⰰ ㄀㈀⸀㜀Ⰰ ㄀㈀⸀㜀Ⰰ 瀀愀最攀圀椀搀琀栀Ⰰ 挀愀渀瘀愀猀⸀栀攀椀最栀琀 ⨀ 瀀愀最攀圀椀搀琀栀 ⼀ 挀愀渀瘀愀猀⸀眀椀搀琀栀⤀㬀 ਀                    瀀漀猀椀琀椀漀渀 ⬀㴀 瀀愀最攀䠀攀椀最栀琀㬀 remainingHeight -= pageHeight * 3.78; // px਀                    瀀愀最攀一甀洀⬀⬀㬀 }਀ // Save PDF਀                瀀搀昀⸀猀愀瘀攀⠀✀一䔀䔀吀开䈀椀漀氀漀最礀开倀爀愀挀琀椀挀攀开匀攀琀⸀瀀搀昀✀⤀㬀 console.log("PDF saved successfully");਀                 } catch (error) {਀                挀漀渀猀漀氀攀⸀攀爀爀漀爀⠀✀倀䐀䘀 最攀渀攀爀愀琀椀漀渀 攀爀爀漀爀㨀✀Ⰰ 攀爀爀漀爀⤀㬀 alert('Error generating PDF. Please check the console for details.');਀                ⼀⼀ 刀攀洀漀瘀攀 琀攀洀瀀漀爀愀爀礀 搀椀瘀 椀昀 椀琀 攀砀椀猀琀猀 const tempDiv = document.querySelector('.temp-pdf-container');਀                椀昀 ⠀琀攀洀瀀䐀椀瘀⤀ 笀 document.body.removeChild(tempDiv);਀                紀 }਀        紀 ਀㰀⼀戀漀搀礀㸀