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O Level Biology MCQ Tests and Answers pdf eBooks Download

Practice O level biology tests with multiple choice questions (MCQ) and answers to test biology online study skills. Free worksheets has O Level Biology tests online MCQs on topics in this student portal with order of importance as:

  1. Transport in Flowering Plants 5 MCQ
  2. Acclimatization to High Attitudes 3 MCQ
  3. Adaptations in Small intestine 2 MCQ
  4. Aerobic respiration and its waste 2 MCQ
  5. Amino acid in Biology 5 MCQ
  6. Anaerobic Respiration 4 MCQ
  7. Anaesthetics and Analgesics 2 MCQ
  8. Anemia and Minerals 4 MCQ
  9. Antibiotics: Penicillin Production 5 MCQ
  10. Artificial Methods of Vegetative Reproduction 10 MCQ
  11. Asexual reproduction 5 MCQ
  12. Atmospheric Pollution 6 MCQ
  13. Average Daily Mineral intake 5 MCQ
  14. Bacteria Structure 5 MCQ
  15. Bacteria: Structure and Types 9 MCQ
  16. Balanced Diet and Food Values 6 MCQ
  17. Basal Metabolism 9 MCQ
  18. Bile: Origination and Functions 4 MCQ
  19. Biological Molecules 5 MCQ
  20. Biological Science 5 MCQ
  21. Biology Basics 5 MCQ
  22. Biology Exam 6 MCQ
  23. Biology Learning Online 6 MCQ
  24. Biology Online 8 MCQ
  25. Biology Practice Questions 6 MCQ
  26. Biology Practice Test 8 MCQ
  27. Biology Questions Answers 10 MCQ
  28. Biology Subjective Test 8 MCQ
  29. Biology Test Online 8 MCQ
  30. Biology Test Questions 5 MCQ
  31. Biology Tests Online 6 MCQ
  32. Biology: Fats 5 MCQ
  33. Biotechnology and Fermentation Products: Biology 7 MCQ
  34. Biotechnology: Fermentation Products 5 MCQ
  35. Biotic and Abiotic Environment 9 MCQ
  36. Biotic and Abiotic in Ecology 5 MCQ
  37. Biotic Environments 5 MCQ
  38. Blood and Plasma 6 MCQ
  39. Blood Clotting: O Level Biology 5 MCQ
  40. Blood Platelets 5 MCQ
  41. Blood Pressure Testing 5 MCQ
  42. Blood Pressures 5 MCQ
  43. Body Muscles 5 MCQ
  44. Brain of Mammal: Forebrain 4 MCQ
  45. Brain of Mammal: Hindbrain 3 MCQ
  46. Branches of Biotechnology 9 MCQ
  47. Caecum & Chyle 4 MCQ
  48. Carbohydrate in Biology 5 MCQ
  49. Carbon Cycle and Fossil Fuels 3 MCQ
  50. Carboxyhaemoglobin 4 MCQ
  51. Causes of Pollution: Biology 8 MCQ
  52. Cell Biology 5 MCQ
  53. Cell Structure 5 MCQ
  54. Cell: Structure and Function 5 MCQ
  55. Cells: Building Blocks of Life 3 MCQ
  56. Cellulose Digestion 4 MCQ
  57. Central Nervous System 3 MCQ
  58. Characteristics of Energy 2 MCQ
  59. Characteristics of Enzymes 4 MCQ
  60. Circulatory system 17 MCQ
  61. Classification of Enzymes 12 MCQ
  62. College Biology 6 MCQ
  63. Condensation Reaction 3 MCQ
  64. Conditions Essential for Photosynthesis 8 MCQ
  65. Conservation: Fishing Grounds 3 MCQ
  66. Conservation: Forests and Renewable Resources 4 MCQ
  67. Conservation: Renewable Resources 8 MCQ
  68. Controlling Entry of Light 2 MCQ
  69. Daily Energy Requirements 2 MCQ
  70. Decomposers in Nature 5 MCQ
  71. Decomposition in Biology 4 MCQ
  72. Deforestation and Pollution 5 MCQ
  73. Deforestation, Air and Water Pollution 3 MCQ
  74. Denaturation of Enzymes 2 MCQ
  75. Diabetes 2 MCQ
  76. Differentiation: Tissues 2 MCQ
  77. Digestion Process 5 MCQ
  78. Digestion: Enzyme Catalyzed Process 10 MCQ
  79. Disaccharides and complex sugars 2 MCQ
  80. Disadvantages of Excess Vitamins 5 MCQ
  81. Disease caused by protein deficiency 2 MCQ
  82. Dormancy and Seed Germination 22 MCQ
  83. Double circulation in mammals 4 MCQ
  84. Drug Types 5 MCQ
  85. Drugs of Abuse 2 MCQ
  86. Ecology and Environment 5 MCQ
  87. Effects of Alcohol 4 MCQ
  88. Effects of pH on enzymes 9 MCQ
  89. Effects of temperature in enzymes 3 MCQ
  90. Energy requirements 5 MCQ
  91. Energy Types in ecological pyramids 5 MCQ
  92. Energy Units 2 MCQ
  93. Enzymes: O Level Biology 5 MCQ
  94. Epidermis and Homeostasis 5 MCQ
  95. Epigeal and Hypogeal Germination 19 MCQ
  96. Eutrophication: O Level Biology 5 MCQ
  97. Exam Preparation: Biology 6 MCQ
  98. Examples of Homeostasis in Man 5 MCQ
  99. Excretion and Egestion 7 MCQ
  100. Excretion in Biology 5 MCQ
  101. Factors affecting enzymes 5 MCQ
  102. Facts about Smoking 7 MCQ
  103. Fast Learning Biology 6 MCQ
  104. Fat rich foods 3 MCQ
  105. Fats and Health 2 MCQ
  106. Features of sexual reproduction in animals 3 MCQ
  107. Fermentation: O Level Biology 4 MCQ
  108. Fertilization and Post Fertilization Changes 22 MCQ
  109. Food Chain and Web 5 MCQ
  110. Formation of urine 3 MCQ
  111. Free Online Biology 6 MCQ
  112. Fructose and Disaccharides 2 MCQ
  113. Function and shape of RBCs 3 MCQ
  114. Function of ADH 2 MCQ
  115. Function of Assimilation 2 MCQ
  116. Function of Enzyme: Pepsin 3 MCQ
  117. Function of Enzyme: Trypsinogen 2 MCQ
  118. Function of Enzymes 7 MCQ
  119. Functions and Composition 5 MCQ
  120. Functions of liver 5 MCQ
  121. Functions of stomach 3 MCQ
  122. Fungi: Mode of Life 8 MCQ
  123. Fungi: O Level Biology 9 MCQ
  124. Fungus 2 MCQ
  125. Gastric Juice 5 MCQ
  126. GCE Biology 6 MCQ
  127. GCE O Levels Biology 6 MCQ
  128. GCSE Biology 8 MCQ
  129. General Nutrition 3 MCQ
  130. Genetic Engineering and Biotechnology 9 MCQ
  131. Genetically Modified Organisms 8 MCQ
  132. Glucose formation 5 MCQ
  133. Glycerol 3 MCQ
  134. Glycogen 5 MCQ
  135. Habitat specialization due to salinity 15 MCQ
  136. Health Pyramid 7 MCQ
  137. Heart: O Level Biology 28 MCQ
  138. Heat Loss Prevention 5 MCQ
  139. Herbaceous and Woody Plants 8 MCQ
  140. Herbicides: O Level Biology 4 MCQ
  141. Heroin Effects 3 MCQ
  142. Holozoic Nutrition 4 MCQ
  143. Hormones: Endocrine Glands 44 MCQ
  144. Human Biology 5 MCQ
  145. Human Heart 5 MCQ
  146. Human Respiration 17 MCQ
  147. Hydrolysis 6 MCQ
  148. Industrial Biotechnology 4 MCQ
  149. Insect Pollination 5 MCQ
  150. Internal Skeleton 3 MCQ
  151. Internal Structure of Eye 9 MCQ
  152. Introduction to Biology 15 MCQ
  153. Introduction to Biotechnology 8 MCQ
  154. Kidneys as Osmoregulators 9 MCQ
  155. Lactose 5 MCQ
  156. Layers of Epidermis 4 MCQ
  157. Leaf Adaptations for Photosynthesis 4 MCQ
  158. Learning Biology 6 MCQ
  159. Learning with Biology 6 MCQ
  160. Limiting factors 5 MCQ
  161. Liver in Biology 5 MCQ
  162. Main Arteries of Body 4 MCQ
  163. Main Veins of Body 5 MCQ
  164. Male Reproductive System 13 MCQ
  165. Mammalian Digestive System 4 MCQ
  166. Mammalian Eye 10 MCQ
  167. Mammalian Skin 42 MCQ
  168. Mammalian Urinary System 5 MCQ
  169. Medical Drugs: Antibiotics 5 MCQ
  170. Meningitis 4 MCQ
  171. Microorganisms 5 MCQ
  172. Mineral Nutrition in Plants 4 MCQ
  173. Mineral Salts 5 MCQ
  174. Mode of action of heart 13 MCQ
  175. Molecular Biology 9 MCQ
  176. Mouth and Buccal Cavity 10 MCQ
  177. Mucus 3 MCQ
  178. Natural Vegetative Propagation in Flowering Plants 13 MCQ
  179. Nervous Tissue 5 MCQ
  180. Nutrients 3 MCQ
  181. Nutrition Vitamins 5 MCQ
  182. Nutrition: Glycogen 2 MCQ
  183. Nutrition: Introduction 9 MCQ
  184. O Level 2014 Biology 6 MCQ
  185. O Level Biology 6 MCQ
  186. O Level Biology Questions 5 MCQ
  187. Oesophagus 3 MCQ
  188. Online Education: Biology 6 MCQ
  189. Ordinary Level Biology 6 MCQ
  190. Organ Transplantion and Rejection 4 MCQ
  191. Ovary and Pistil 4 MCQ
  192. Oxidation and Respiration 6 MCQ
  193. Oxygen Debt 4 MCQ
  194. Parasite Diseases 5 MCQ
  195. Parasitism: Malarial Pathogen 14 MCQ
  196. Parts of Flower 24 MCQ
  197. Pesticides: O Level Biology 5 MCQ
  198. Photolysis 4 MCQ
  199. Photons in Photosynthesis 3 MCQ
  200. Photosynthesis in Plants 8 MCQ
  201. Photosynthesis: O Level Biology 5 MCQ
  202. Physical Environment: Ecology 10 MCQ
  203. Physical Environment: Water 5 MCQ
  204. Piliferous Layer 3 MCQ
  205. Pollination in Flowers 5 MCQ
  206. Pollution Causes 5 MCQ
  207. Pollution: BOD and Eutrophication 5 MCQ
  208. Pollution: Carbon Monoxide 4 MCQ
  209. Pollution: Causes of Pollution 5 MCQ
  210. Pollution: Inorganic Wastes as Cause 6 MCQ
  211. Pollution: Pesticides and DDT 7 MCQ
  212. Pollution: Sewage as Cause 7 MCQ
  213. Pollution: Smog as Cause 5 MCQ
  214. Poppies, Opium and Heroin 4 MCQ
  215. Production of Antibodies 9 MCQ
  216. Protein Sources 6 MCQ
  217. Proteins 7 MCQ
  218. Pyramid of energy 6 MCQ
  219. Rate of Reaction and Enzyme Activity 4 MCQ
  220. Recycling: Waste Disposal 6 MCQ
  221. Red Blood Cells and Haemoglobin 6 MCQ
  222. Red Blood Cells in Mammals 3 MCQ
  223. Reproduction in Plants: Pollination 11 MCQ
  224. Role of blood in transportation 4 MCQ
  225. School Level Biology 8 MCQ
  226. Seed Dispersal: Dispersal by animals 12 MCQ
  227. Seed Dispersal: O Level Biology 5 MCQ
  228. Sensitivity in Biology 4 MCQ
  229. Sensory Neurons 5 MCQ
  230. Sexual and Asexual Reproduction 6 MCQ
  231. Simple Carbohydrates 5 MCQ
  232. Size and Position of Kidneys 4 MCQ
  233. Smoking Related Diseases: Lung Cancer 6 MCQ
  234. Soil Erosion 2 MCQ
  235. Specifity of Enzymes 5 MCQ
  236. Spinal Cord and Nerves 49 MCQ
  237. Spinal Nerves 5 MCQ
  238. Starch 5 MCQ
  239. Starvation and Muscle waste 3 MCQ
  240. Stomach and Pancreas 2 MCQ
  241. Stomata and Functions 6 MCQ
  242. Storage of excess amino acids 4 MCQ
  243. Structure and Function 5 MCQ
  244. Structure of a wind pollinated flower 27 MCQ
  245. Structure of an Insect Pollinated Flower 12 MCQ
  246. Structure of Cell and Protoplasm: Biology 5 MCQ
  247. Structure of Cell: Centrioles 2 MCQ
  248. Structure of Cell: Mitochondrion 2 MCQ
  249. Structure of Cell: Nucleus 3 MCQ
  250. Structure of Cell: Protoplasm 4 MCQ
  251. Structure of Cell: Vacuoles 4 MCQ
  252. Structure of Lamina 5 MCQ
  253. Structure of Mammalian Skin 35 MCQ
  254. Structure of Nephron 5 MCQ
  255. Structure of Root 7 MCQ
  256. Study Biology 6 MCQ
  257. Sugar: Types, Formation and Test 6 MCQ
  258. System of Classification 6 MCQ
  259. Tea and Coffee 5 MCQ
  260. Thyroxin Function 4 MCQ
  261. Tissue Respiration, Gas Exchange and Breathing 5 MCQ
  262. Types of Drugs 18 MCQ
  263. Types of Flowers 7 MCQ
  264. Ultrafiltration 5 MCQ
  265. Vegetative Reproduction in Plants 5 MCQ
  266. Viruses: Biochemical Parasites 12 MCQ
  267. Vitamin Deficiency 5 MCQ
  268. Vitamins and Minerals 5 MCQ
  269. Vitamins D 4 MCQ
  270. Voluntary and Reflex Actions 14 MCQ
  271. Water Transport in Plants 5 MCQ
  272. Weight Reduction Program 4 MCQ
  273. What is Biology 4 MCQ
  274. What is Excretion 6 MCQ
  275. What is Fibrinogen 3 MCQ
  276. What is Nutrition 8 MCQ
  277. What is Respiration 5 MCQ
  278. What is Selective Reabsorption 10 MCQ
  279. What is Transpiration 5 MCQ
  280. White blood cells 13 MCQ
  281. Wind Dispersed Fruits and Seeds 11 MCQ
  282. Wind pollination 5 MCQ

O Level Biology Tests and Quiz Questions

Learn biology quiz questions with O level biology online tests. Free study guides and worksheets has multiple choice questions on O Level Biology tests online quizzes with questions answers for interactive learning.

  1. Homeostasis in Biology
  2. Nutrition in Plants
  3. Nutrition in General
  4. Transport in Mammals
  5. Reproduction in Plants
  6. Co-ordination & Response: Nervous System in Mammals
  7. Excretion: O Level Biology
  8. Sexual Reproduction in Animals
  9. Nutrition in mammals
  10. What Are Enzymes
  11. Respiration in Biology
  12. Microorganisms & Applications in Biotechnology
  13. Drugs: O Level Biology
  14. Ecology: O level Biology
  15. Effects of Human Activity on Ecosystem
  16. What is Biology
  17. Co-ordination & Response: Hormones & Endocrine Glands
  18. Transport of Materials in Flowering Plants
  19. Co-ordination & Response: Animal Receptor Organs
  20. Biology: Biotechnology