CBSE Class 12 Biology Paper Pattern, Marking Scheme

By: Rahul Kumar Image: Pixabay [{ "selector": ".cnbaa-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".jdkbk-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".kppgc-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".sklsa-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "1", "visibility" :"visible"} ] }]

The CBSE has denied reports of a 15% curriculum reduction and open book exams for Board Exams 2025

Image: Pixabay [{ "selector": ".xqxlu-a", "duration": "1000ms", "fill": "forwards", "delay": "1000ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "80%", "visibility" :"visible"} ] }, { "selector": ".wbxkb-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateY(calc(600px - 428px))", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateY(0)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".ppgxa-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "1", "visibility" :"visible"} ] }]

The Class 12 Biology exam for 2025 will follow the current guidelines, with the paper comprising a total of 70 marks for the theory section.

Image: Pixabay [{ "selector": ".cwzcd-a", "duration": "1000ms", "fill": "forwards", "delay": "1000ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "80%", "visibility" :"visible"} ] }, { "selector": ".bauga-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateY(calc(600px - 418px))", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateY(0)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".fkugp-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "1", "visibility" :"visible"} ] }]

All questions are mandatory, and students are required to complete the exam within three hours

Image: Pixabay [{ "selector": ".snqnq-a", "duration": "1000ms", "fill": "forwards", "delay": "1000ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "80%", "visibility" :"visible"} ] }, { "selector": ".orxao-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateY(calc(600px - 470px))", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateY(0)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".kojrq-a", "duration": "1000ms", "fill": "forwards", "delay": "1000ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "1", "visibility" :"visible"} ] }]

Section 1 contains 16 questions, each worth 1 mark

Image: Pixabay [{ "selector": ".tiqua-a", "duration": "1000ms", "fill": "forwards", "delay": "1000ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "80%", "visibility" :"visible"} ] }, { "selector": ".wmqii-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateY(calc(600px - 455px))", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateY(0)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".lsxkg-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "1", "visibility" :"visible"} ] }]

Section 2 consists of five questions, each valued at 2 marks

Image: Pixabay [{ "selector": ".tkkaj-a", "duration": "1000ms", "fill": "forwards", "delay": "1000ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "80%", "visibility" :"visible"} ] }, { "selector": ".oddpg-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateY(calc(600px - 455px))", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateY(0)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".mjefs-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "1", "visibility" :"visible"} ] }]

Section 3 has seven questions, each carrying 3 marks

Image: Pixabay [{ "selector": ".qikgc-a", "duration": "1000ms", "fill": "forwards", "delay": "1000ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "80%", "visibility" :"visible"} ] }, { "selector": ".ufcli-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateY(calc(600px - 483px))", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateY(0)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".tmoxc-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "1", "visibility" :"visible"} ] }]

Section 4 includes two case-based questions, each worth 4 marks

Image: Pixabay [{ "selector": ".rqeso-a", "duration": "1000ms", "fill": "forwards", "delay": "1000ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "80%", "visibility" :"visible"} ] }, { "selector": ".qsoja-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateY(calc(600px - 438px))", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateY(0)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".ldrsp-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "1", "visibility" :"visible"} ] }]

Section 5 has three questions, each with a value of 5 marks

Image: Pixabay [{ "selector": ".gjipo-a", "duration": "1000ms", "fill": "forwards", "delay": "1000ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "80%", "visibility" :"visible"} ] }, { "selector": ".jecpk-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateY(calc(600px - 438px))", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateY(0)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".stpms-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "1", "visibility" :"visible"} ] }]

The CBSE board exams are scheduled to begin on February 15, 2025. Students must have a minimum of 75% attendance to be eligible to appear for the exams

Image: Pixabay [{ "selector": ".xmsio-a", "duration": "1000ms", "fill": "forwards", "delay": "1000ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "80%", "visibility" :"visible"} ] }, { "selector": ".xnzab-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "transform": "translateY(calc(600px - 409px))", "opacity": "1", "visibility" :"visible"}, {"offset": 1, "transform": "translateY(0)", "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".ajizo-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "1", "visibility" :"visible"} ] }]

Check More Stories

Image: Pixabay Image: Pixabay [{ "selector": ".exemt-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".apeii-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "1", "visibility" :"visible"} ] }, { "selector": ".wijka-a", "duration": "1000ms", "fill": "forwards", "delay": "0ms", "keyframes": [ {"offset": 0, "opacity": 0, "visibility" :"visible"}, {"offset": 1, "opacity": "1", "visibility" :"visible"} ] }] ndtv.com