biology-f2-ms-mid-t2-teacher.co_.ke
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DATE 07 Dec 2025
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SIZE 1.38 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 2024 academic period.
Key Content: Likely covers essential definitions, theoretical concepts necessary for mastery of the subject.
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 "biology-f2-ms-mid-t2-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
MARKING SCHEME BIOLOGY FORM 2 TERM 2 2024 1) Download this and other FREE materials from https://teacher. ke/notes Diffusion - Involves movement of particles of molecules of liquid or gas - It may be through a membrane or air. - Not affected by PH changes. Osmosis - Involves movement of solvent molecules - It takes place through a semipermeable membrane. - Rate affected by pH changes. (a) RQ ratio of carbon dioxide produced to oxygen used during breakdown of a food substrate. Q = CO2 produced O2 used up RQ = 102 145 = 0. 7 (c ) fat/lipid 3) (i) Tracheoles b) Adaptation of tracheoles - Lack chitin and are thin walled to reduce distance of diffusion of gases. - Have a liquid at the tip to dissolve the diffusing gases - Highly branched/divided to increase surface area for diffusion of gases. - They are in direct contact with tissue cells hence increasing rate of diffusion of gases. Cell size = Diameter of field view x 1000 No of cells = 6.
Study Tips & Recommendations
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Summarization
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Collaborative Learning
Discuss concepts with peers to deepen understanding. Teaching others is an excellent way to solidify your knowledge.
Regular Review
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Content Preview
MARKING SCHEME BIOLOGY FORM 2 TERM 2 2024 1) Download this and other FREE materials from https://teacher.co.ke/notes Diffusion - Involves movement of particles of molecules of liquid or gas - It may be through a membrane or air. - Not affected by PH changes. Osmosis - Involves movement of solvent molecules - It takes place through a semipermeable membrane. - Rate affected by pH changes. . 2). (a) RQ ratio of carbon dioxide produced to oxygen used during breakdown of a food substrate. (b) R.Q = C...
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