MCQs / Biology

Biology MCQs with answers and explanations

Cells, physiology, genetics, ecology and biotechnology.

928 Biology MCQs from the PrepOasis question bank, arranged by chapter. Open a chapter to read its questions with the correct answer and a teacher's explanation, or practise them one at a time with instant feedback.

Chapters

O Level Biology: Cells — 20 MCQs
O Level Biology: Classification — 20 MCQs
O Level Biology: Movement into and out of Cells — 18 MCQs
O Level Biology: Biological Molecules — 14 MCQs
O Level Biology: Enzymes — 18 MCQs
O Level Biology: Plant Nutrition — 26 MCQs
O Level Biology: Transport in Flowering Plants — 19 MCQs
O Level Biology: Human Nutrition — 32 MCQs
O Level Biology: Human Gas Exchange — 15 MCQs
O Level Biology: Respiration — 19 MCQs
O Level Biology: Transport in Humans — 29 MCQs
O Level Biology: Disease and Immunity — 30 MCQs
O Level Biology: Excretion — 15 MCQs
O Level Biology: Coordination and Control — 37 MCQs
O Level Biology: Coordination and Response in Plants — 10 MCQs
O Level Biology: Development of Organisms and Continuity of Life — 36 MCQs
O Level Biology: Inheritance — 30 MCQs
O Level Biology: Biotechnology and Genetic Modification — 17 MCQs
O Level Biology: Organisms and the Environment — 35 MCQs
A Level Biology: Cell structure — 25 MCQs
A Level Biology: Biological molecules — 38 MCQs
A Level Biology: Enzymes — 20 MCQs
A Level Biology: Cell membranes and transport — 20 MCQs
A Level Biology: The mitotic cell cycle — 19 MCQs
A Level Biology: Nucleic acids and protein synthesis — 23 MCQs
A Level Biology: Transport in plants — 20 MCQs
A Level Biology: Transport in mammals — 31 MCQs
A Level Biology: Gas exchange — 13 MCQs
A Level Biology: Infectious diseases — 19 MCQs
A Level Biology: Immunity — 24 MCQs
A Level Biology: Energy and respiration — 29 MCQs
A Level Biology: Photosynthesis — 26 MCQs
A Level Biology: Homeostasis — 27 MCQs
A Level Biology: Control and coordination — 26 MCQs
A Level Biology: Inheritance — 35 MCQs
A Level Biology: Selection and evolution — 29 MCQs
A Level Biology: Classification, biodiversity and conservation — 31 MCQs
A Level Biology: Genetic technology — 33 MCQs

Practise Biology MCQs