26 February 2023

Biology - handwritten notes (Coordinated Sciences 0654)


Finally, the long-awaited Biology notes for
 the IGCSE CIE 2023-2024 syllabus (0654 Coordinated Sciences) is here! They can be downloaded in full or by chapter (by following their respective links). 

Time to get crackin' for this exam season, folks. Happy studying :)






Blogger Tricks

B3. Biological molecules

  (0654) Coordinated Sciences 2023/2024



Subheadings and Key concepts
  1. Carbohydrates
    • simple, complex sugars
    • Iodine test for starch
    • Benedict's test for reducing sugars
  2. Fats/lipids
    • triglycerides
    • ethanol emulsion test for fats + oils
  3. Proteins
    • amino acids --> proteins
    • Biuret test for proteins
  4. Water as a solvent

B2. Cells

(0654) Coordinated Sciences 2023/2024



Subheadings and Key concepts

B2.1. Cell structure
  • characteristics of plant cells + animal cells
  • magnification
  • specialized cells
B2.2 Movement in and out of cells
  • diffusion + factors affecting diffusion
  • osmosis
    • investigating osmosis
    • effects of osmosis on plant and animal cells

16 February 2023

B8. Gas exchange and Respiration

 (0654) Coordinated Sciences 2023/2024


Subheadings and Key concepts

B8.1. Gas exchange

  • gas exchange surfaces
  • inspired vs expired air
  • protecting the respiratory system
  • effects of exercise on breathing
  • tobacco smoking
B8.2. Respiration
  • aerobic respiration
  • anaerobic respiration in
    • muscles
    • yeast

B7.2. Transport in mammals

 (0654) Coordinated Sciences 2023/2024


Subheadings and Key concepts

  • the Circulatory system
  • the heart
  • coronary heart disease (CHD)
  • investigating physical activity on pulse + heart rate
  • blood vessels
  • components of blood

B6. Animal Nutrition

 (0654) Coordinated Sciences 2023/2024



Subheadings and Key concepts

B6.1. diet

  • nutrients
    • carbohydrates
    • proteins
    • fats/lipids
    • vitamins (C, D)
    • minerals (Ca, Fe)
    • fibre
    • water
  • malnutrition: 
    • starvation, constipation, CHD, obesity
    • Kwashiorkor, Marasmus
B6.2. Alimentary canal
  • stages of food breakdown: ingestion --> digestion --> absorption --> assimilation --> egestion
  • organs and functions
B6.3. Digestion
  • mechanical digestion
  • teeth decay
  • chemical digestion
    • enzymes
    • villi