Hidden Facts in Biology is a targeted examination revision resource for Nigerian secondary school students preparing for WAEC, NECO, and JAMB Biology. It is designed specifically to surface the biological facts, definitions, and process explanations that examiners consistently test but that students most often miss — the details that sit between the headlines of a standard textbook chapter.
Biology examiners have a reputation for rewarding precision. A definition of osmosis that omits “semi-permeable membrane” or a description of mitosis that skips a stage costs marks that are difficult to recover elsewhere. Hidden Facts in Biology is structured to eliminate these omissions by drilling the exact content that marking schemes reward, topic by topic.
Coverage spans cell biology, nutrition and digestion, transport systems, excretion, nervous and hormonal coordination, reproduction, genetics and heredity, evolution, and ecology. The alternative-to-practical section is included, addressing the laboratory-based questions that appear in WAEC Biology Paper 3 and which many candidates underestimate.
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Ten real past-question-style items on Biology, the kind you’ll meet solved and explained in the textbook itself. Tap an option to check your answer.
1. What is the basic structural and functional unit of life?
2. Which organelle is responsible for photosynthesis in plant cells?
3. What is the process by which plants lose water vapour through their leaves called?
4. Which blood vessel carries oxygenated blood away from the heart to the body?
5. What term describes the movement of water molecules from a region of high concentration to low concentration through a semi-permeable membrane?
6. Which class of food substances is the primary source of energy in the human diet?
7. What is the name of the genetic material found in the nucleus of a cell?
8. Which part of the human respiratory system is the primary site of gas exchange?
9. What is the term for an organism that manufactures its own food using sunlight?
10. Which exam bodies commonly set objective Biology past questions used for WAEC/JAMB preparation in Nigeria?