Heredity and Variation
Learn how traits are passed from parents to offspring, Mendel’s laws of inheritance, and the causes of variation.
Subject
<p>The study of living organisms — their structure, function, growth, evolution and interaction with the environment. Covers the full WAEC Biology syllabus from characteristics of life to ecology and heredity.</p>
Learn how traits are passed from parents to offspring, Mendel’s laws of inheritance, and the causes of variation.
Understand how cells release energy from food, and the difference between aerobic and anaerobic respiration.
Learn how living organisms are grouped into kingdoms and the key differences between plants and animals.
Study the structure of a flower, pollination, fertilisation, and the agents that transfer pollen — a favourite WAEC topic.
Learn how the heart, blood and blood vessels work together to transport oxygen, nutrients and waste around the body.
How green plants make their own food through photosynthesis — the raw materials, conditions, products and importance of the process.
Understand how substances move across cell membranes through diffusion and osmosis, and why osmosis is so important to plants and animals.
The cell is the basic unit of life. Learn the structure of plant and animal cells, the functions of each organelle, and the key differences between them.
Learn the seven characteristics that define a living organism and how to distinguish living from non-living things — a core WAEC Biology topic.
WAEC-standard Biology questions for 2023 — objective and theory with full answers.
A complete set of WAEC-standard Biology questions for 2024 with answers and explanations.
A full set of WAEC-standard Biology questions for 2025 — Section A (objective) and Section B (theory) with answers.
Test yourself with WAEC-style objective and theory questions on characteristics of life, cells, diffusion, osmosis and photosynthesis — with answers.