Revision Topic: o level question and answers
O Level Revision : Combined Science - Plant Nutrition
The sun is the ultimate source of energy for all living things. Green plants can...
O Level Revision : Combined Science - Science in Structures...
A device that makes work easier by reducing effort required increasing distance,...
O Level Revision : Combined Science - Science in Industry...
Industrial processes involve production on a large scale. Large sites and machinery...
O Level Revision : O Level Revision : Combined Science...
The human race is always trying to find ways of making work easier. Machines are...
O Level Revision : Combined Science - Science in Industry...
Iron and copper are widely used metals. Iron and copper exist in the environment...
O Level Revision : Combined Science - Science in Industry...
Materials in all forms, i.e. solids, liquids and gases are all made up of matter....
O Level Revision : Combined Science - Science in Structures...
Human life is enhanced by structures. Every structure has a design that makes it...
O Level Revision : Combined Science - Ecosystems
An ecosystem is a self-contained system of interdependent organisms and their physical...
O Level Revision : Combined Science - Science in Structures...
Human life is enhanced by structures. Every structure has a design that makes it...
O Level Revision : Combined Science - Inheritance
Plants of the same species are different. The difference between organisms of the...
O Level Revision : Combined Science - Reproduction in Plants
Reproduction is the production of young ones/offpring. Reproduction using sex cells...
O Level Revision : Combined Science - Transport in Animals
Many substances need to be transported around the body. Nutrients are transported...
O Level Revision : Combined Science - Transport in Plants
Plants are either dicotyledonous or monocotyledonous. Seeds of dicotyledons have...
O Level Revision : Combined Science - Science in Energy...
Solar energy refers to energy from sun. Solar energy has three main components;...
O Level Revision : Combined Science - Gaseous Exchange...
Processes that take place in the body require energy. The energy needed by the body...
O Level Revision : Combined Science - Science in Energy...
There are negative and positive charges. Like charges repel while opposite charges...