Summary

• Description:

  The MS Word document comprises Maranda High School Biology Paper 1 2024 Mock Exam with Answers (Marking Scheme). The PDF version is also available upon your request. The marking scheme is in a different document.

  It is a KCSE Biology Paper 1 (231/1) Mock Examination administered in June 2024.

  • Duration: 2 Hours 30 Minutes
  • Total Marks: 80
  • Number of Questions: 32

  The paper consists of short structured questions covering a wide range of biology concepts.

  It covered the following topics:

  • Classification of organisms and characteristics of kingdoms
  • Cell biology and functions of cell organelles
  • Genetics and inheritance patterns
  • Human skin structure and functions
  • Diffusion and experimental observations using iodine and starch
  • Support and movement (cartilage and skeletal adaptations)
  • Homeostasis and regulation of blood sugar levels
  • Adaptations of aquatic organisms (fish structure and fins)
  • Human reproductive system and menstrual cycle hormones
  • Plant reproduction (monoecism and dioecism)
  • Respiration processes including glycolysis and anaerobic respiration
  • Transport systems in insects and humans (blood plasma functions and blood groups)
  • Sensory organs (ear structure and vision, including blind spot and image formation)
  • Plant anatomy and classification (transverse sections and plant tissues)
  • Plant growth substances and hormones (ethylene)
  • Evolution concepts including convergent evolution and natural selection
  • Pollination and fertilization processes (pollen tube growth)
  • Plant and animal reproduction (parthenogenesis and parthenocarpy)
  • Tropisms and the use of a klinostat
  • Insect metamorphosis and hormonal control
  • Ecological relationships (mutualism and commensalism)
  • Excretion and nitrogenous waste in birds and insects
  • Active transport and effects of metabolic inhibitors
  • Population dynamics and survival selection
  • Translocation and transport in plants (phloem function)
  • Plant growth patterns and meristem activity
  • Growth curves in insects
  • Respiratory quotient calculations and energy metabolism
• Category:

  Mock Past Papers
• Level:

  Form 4
• Subject:

  BIOLOGY

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