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

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