2025-biology-f3-pp3-ms-end-t3-s2-teacher_co_ke
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UPLOADED BY Unknown
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DATE 07 Dec 2025
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SIZE 1.37 MB
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notes
About This Document
Document Type: This is a Study Notes, designed for Reviewing core curriculum material.
Context: Standard material from the 2025 academic period.
Key Content: Likely covers essential definitions, structured questions to test your proficiency.
Study Strategy: Summarize these notes into flashcards or mind maps to aid active recall and long-term retention.
Recommendation: comprehensive resource for students aiming to deepen their understanding of General Studies.
Detailed Content Overview
Introduction
This notes resource titled "2025-biology-f3-pp3-ms-end-t3-s2-teacher_co_ke" offers detailed study notes covering essential concepts and theories. This resource is structured to facilitate effective learning and retention of important information.
Key Topics Covered
Learning Objectives
- Understand fundamental principles and core concepts
- Build a strong foundation for advanced study
- Connect theoretical knowledge with practical applications
- Prepare comprehensively for assessments and exams
Detailed Summary
BIOLOGY FORM 3 PAPER 3 MARKING SCHEME 1. A (a) No bubbles/effervescence; Download this and other FREE materials from https://teacher. ke/notes 1 d) – Osmoregulation - Regulation of pH (a) C –Hypocotyl (1mk) Importance —protects the plumule /shoot tip/first foliage leaves /opens path Download this and other FREE materials from https://teacher. (b) through the soil for the cotyledon to pass/pulls the cotyledon out of the soil. D Cotyledons/seed leaves (1mk) Importance: Photosynthesis (2mk) Food storage /food reserves Provide food for germinating seedlings /young plants. E Coleoptile/plumule sheath Rej: cover/coat (1mk) Importance-protects the delicate tip/first leaves/foliage leaves (1mk) tie importance to identify (i) nodules/root nodules (1mk) accept correct spelling (ii) Rhizobium/Rhizobia/Rhizobium bacteria rej. Bacteria alone/wrong spelling (iii) Symbiotic relatioship in which bacteria gets protection and nutrients while the plant gets nitrogen in form of nitrates fixed by bacteria. (1mk) (c) (d) ( i) Epigeal (1mk) accept correct spelling.
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Summarization
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Regular Review
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BIOLOGY FORM 3 PAPER 3 MARKING SCHEME 1. A (a) No bubbles/effervescence; Download this and other FREE materials from https://teacher.co.ke/notes (b) Bubbles/effervescence/foam observed B (a) Catalase enzyme denatured by high temperatures hence no reaction (b) Catalase enzyme; broke down hydrogen peroxide into water and oxygen hence bubbles; C (i) Broken down into small droplets; (ii) Emulsification; (iii) Duodenum; (iv) Increases the surface area for enzymes to speed up the rate of digestion; D...
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