Structure of the Eye | Best Notes | GCE O Level Biology (5090)
Do you know that a human eye (organ of the visual system) blinks about 4,200,000 times a year (on average)? Amazing, isn’t it? You should
Category: Science
Transport in Plants | Best Notes | GCE O Level Biology (5090)
Do you want to know about how transport in plants take place? The role of xylem and phloem in this mechanism, and some details about important
Homeostasis Made Simple | GCE O Level Biology (5090) | Best Notes
The phenomenon of maintaining a relatively stable and constant internal environment by a biological system is known as homeostasis. This system
Electrolysis Made Simple | GCE O Level Chemistry (5070) | Best Notes
In chemistry, electrolysis is a method in which an electric current is passed through a substance to break it down (decomposition). This method
Transport in Mammals | GCE O Level Biology (5090) | Best Notes
Transport in mammals (complex multicellular organisms) is carried out by a circulatory system of arteries, veins and capillaries. This is because
Best Respiration Notes | GCE O Level Biology (5090)
Respiration is a process that releases energy from glucose so that our life processes can carry out. Our respiratory system is adapted for gas
Excretion | GCE O Level Biology (5090) | Best Notes
Excretion is a process in which the metabolic waste (waste which is produced as a result of chemical changes in a cell) is eliminated from an
Energy Changes | GCE O Level Chemistry (5070) | Best Notes
The energy change in a chemical reaction is the difference in the amount of the stored chemical energy between the products and the reactants.
Redox Reactions | GCE O Level | Best Notes (5070)
An oxidation-reduction reaction (redox reaction) is a type of chemical reaction that involves the movement (transfer) of electrons. In other
Organic Chemistry | GCE O Level | Best Notes (5070)
Organic chemistry is a very important topic and there are multiple concepts that need to be addressed in this topic. The topics that will be