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Grade 12 biology exam review Questions with Accurate Answers
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July 2025

2024/2025

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Dehydration synthesis - ANSWERSA reaction at which two molecules combine to create a larger molecule taking out H2O. Hydrolysis - ANSWERSA reaction at which a compound reacts with water to produce other compounds. Redox - ANSWERSA chemical reaction where atoms gain or lose electrons (LEO the lion says GER) Neutralization reaction - ANSWERSWhere an acid and a base reacts to form H2O. Lipids - ANSWERSMade out of carbon, hydrogen and oxygen. The role of the lipids is to insulate the org...
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Grade 12 Biology Exam Questions with Correct Answers
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July 2025

2024/2025

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CLONES - ANSWERSgenetically identical organisms derived from a single genetic source POLYGENIC TRAITS - ANSWERStraits such as skin color, height which are controlled by many (poly) genes ASEXUAL REPRODUCTION - ANSWERSmode of reproduction where offspring arise from a single parent and inherits the genes of that parent only (2n → 2n) TELOMERES - ANSWERSthe protective caps at the end of chromosomes SEX-LINKED TRAITS - ANSWERStraits that are carried on the X chromosome GAMETES - ANS...
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Grade 12 biology exam review / of Key Quizzes & Correct Answers.
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May 2025

2024/2025

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Grade 12 biology exam review / of Key Quizzes & Correct Answers.
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Exam (elaborations)

Grade 12 Biology Exam Review with Solutions
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September 2023

2023/2024

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Dehydration synthesis - Answer-A reaction at which two molecules combine to create a larger molecule taking out H2O. Hydrolysis - Answer-A reaction at which a compound reacts with water to produce other compounds. Redox - Answer-A chemical reaction where atoms gain or lose electrons (LEO the lion says GER) Neutralization reaction - Answer-Where an acid and a base reacts to form H2O. Lipids - Answer-Made out of carbon, hydrogen and oxygen. The role of the lipids is to insulate the org...
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