2025-kisii-sch-biology-f4pp2-scheme
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DATE 07 Dec 2025
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About This Document
Document Type: This is a Assessment, designed for Evaluating understanding of key concepts.
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-kisii-sch-biology-f4pp2-scheme" provides comprehensive exam preparation materials designed to test and enhance your understanding. This resource is structured to facilitate effective learning and retention of important information.
Key Topics Covered
Learning Objectives
- Develop comprehensive understanding of key topics
- Apply learned concepts to real-world scenarios
- Strengthen critical thinking and analytical skills
- Achieve academic excellence in notes
Detailed Summary
FORM FOUR BIOLOGY PAPER TWO (PP2) MARKING SCHEME SECTION A: 40 MARKS 1. a) b) Genetics – Branch of biology that deals with the study of inheritance and variation. - sex - ABO blood group - Toungue rolling - free or attached earlobe - Hairs in ear pinna / nose (2mks) c) parental Genotype Gametes Male / Female HbA Hbs HbAHbA HbA X HbA HbA Hbs HbA HbA HbAHbA HbAHbs (1mk) HbS HbA HbAHbA HbAHbs Probability of sickle cell trait (HbAHbs) 2⁄ = ½; 0. a) X – External auditory meatus; Y – Ear ossicles; N – Eustachian tube; b) They are bony/solid and small forming a lever system that amplifies and transmits vibrations to the fenestra ovalis. They are loosely held by suspensory ligaments which enables them to transmit vibrations; NB: Mark any one. c)i) ii) Maintaining body balance / posture; M; NB: (ii) is tied to (i) d) Permanent deafness; rej. Deafness alone lack of balance Mark any one 3. a) b)i) ii) Cell membrane; It encloses cell contents; It selectively allows materials in and out of the cell; c)i) ii) Centriole; Take part in formation of cilia and flagella.
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FORM FOUR BIOLOGY PAPER TWO (PP2) MARKING SCHEME SECTION A: 40 MARKS 1.a) b) Genetics – Branch of biology that deals with the study of inheritance and variation. - sex - ABO blood group - Toungue rolling - free or attached earlobe - Hairs in ear pinna / nose (2mks) c) parental Genotype Gametes Male / Female HbA Hbs HbAHbA HbA X HbA HbA Hbs HbA HbA HbAHbA HbAHbs (1mk) HbS HbA HbAHbA HbAHbs Probability of sickle cell trait (HbAHbs) 2⁄ = ½; 0.5; 50%; 4 (5mks) 2.a) X – External auditory meatus; Y –...
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