O Level Biology MCQ PDF: Questions and Answers Download | IGCSE GCSE Biology MCQs Book

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GCSE Biology Practice Tests Chapter 1-20 eBook covers problem solving exam tests from biology textbook and practical eBook chapter wise as: Chapter 1: Biotechnology MCQ Chapter 2: Animal Receptor Organs MCQ Chapter 3: Hormones and Endocrine Glands MCQ Chapter 4: Nervous System in Mammals MCQ Chapter 5: Drugs MCQ Chapter 6: Ecology MCQ Chapter 7: Effects of Human Activity on Ecosystem MCQ Chapter 8: Excretion MCQ Chapter 9: Homeostasis MCQ Chapter 10: Microorganisms and Applications in Biotechnology MCQ Chapter 11: Nutrition in General MCQ Chapter 12: Nutrition in Mammals MCQ Chapter 13: Nutrition in Plants MCQ Chapter 14: Reproduction in Plants MCQ Chapter 15: Respiration MCQ Chapter 16: Sexual Reproduction in Animals MCQ Chapter 17: Transport in Mammals MCQ Chapter 18: Transport of Materials in Flowering Plants MCQ Chapter 19: Enzymes MCQ Chapter 20: What is Biology MCQ The e-Book Biotechnology MCQs PDF, chapter 1 practice test to solve MCQ questions: Branches of biotechnology and introduction to biotechnology. The e-Book Animal Receptor Organs MCQs PDF, chapter 2 practice test to solve MCQ questions: Controlling entry of light, internal structure of eye, and mammalian eye. The e-Book Hormones and Endocrine Glands MCQs PDF, chapter 3 practice test to solve MCQ questions: Glycogen, hormones, and endocrine glands thyroxin function. The e-Book Nervous System in Mammals MCQs PDF, chapter 4 practice test to solve MCQ questions: Brain of mammal, forebrain, hindbrain, central nervous system, meningitis, nervous tissue, sensitivity, sensory neurons, spinal cord, nerves, spinal nerves, voluntary, and reflex actions. The e-Book Drugs MCQs PDF, chapter 5 practice test to solve MCQ questions: Anesthetics and analgesics, cell biology, drugs of abuse, effects of alcohol, heroin effects, medical drugs, antibiotics, pollution, carbon monoxide, poppies, opium and heroin, smoking related diseases, lung cancer, tea, coffee, and types of drugs. The e-Book Ecology MCQs PDF, chapter 6 practice test to solve MCQ questions: Biological science, biotic and abiotic environment, biotic and abiotic in ecology, carbon cycle, fossil fuels, decomposition, ecology and environment, energy types in ecological pyramids, food chain and web, glucose formation, habitat specialization due to salinity, mineral salts, nutrients, parasite diseases, parasitism, malarial pathogen, physical environment, ecology, water, and pyramid of energy. 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The e-Book Homeostasis MCQs PDF, chapter 9 practice test to solve MCQ questions: Diabetes, epidermis and homeostasis, examples of homeostasis in man, heat loss prevention, layers of epidermis, mammalian skin, protein sources, structure of mammalian skin and nephron, ultrafiltration, and selective reabsorption. The e-Book Microorganisms and Applications in Biotechnology MCQs PDF, chapter 10 practice test to solve MCQ questions: Biotechnology and fermentation products, microorganisms, antibiotics: penicillin production, fungi: mode of life, decomposers in nature, parasite diseases, genetic engineering, viruses, and biochemical parasites. The e-Book Nutrition in General MCQs PDF, chapter 11 practice test to solve MCQ questions: Amino acid, anemia and minerals, average daily mineral intake, balanced diet and food values, basal metabolism, biological molecules, biological science, fats, body muscles, carbohydrates, cellulose digestion, characteristics of energy, condensation reaction, daily energy requirements, disaccharides and complex sugars, disadvantages of excess vitamins, disease caused by protein deficiency, energy requirements, energy units, fat rich foods, fats and health, fructose and disaccharides, functions and composition, general nutrition, glucose formation, glycerol, glycogen, health pyramid, heat loss prevention, human heart, hydrolysis, internal skeleton, lactose, liver, mineral nutrition in plants, molecular biology, mucus, nutrients, nutrition vitamins, glycogen, nutrition, protein sources, proteins, red blood cells and hemoglobin, simple carbohydrates, starch, starvation and muscle waste, structure and function, formation and test, thyroxin function, vitamin deficiency, vitamins, minerals, vitamin D, weight reduction program, and nutrition. The e-Book Nutrition in Mammals MCQs PDF, chapter 12 practice test to solve MCQ questions: Adaptations in small intestine, amino acid, bile, origination and functions, biological molecules, fats, caecum and chyle, cell biology, digestion process, function of assimilation, pepsin, trypsinogen, function of enzymes, functions and composition, functions of liver, functions of stomach, gastric juice, glycerol, holozoic nutrition, liver, mammalian digestive system, molecular biology, mouth and buccal cavity, esophagus, proteins, red blood cells and hemoglobin, stomach and pancreas, structure and function and nutrition. The e-Book Nutrition in Plants MCQs PDF, chapter 13 practice test to solve MCQ questions: Amino acid, carbohydrate, conditions essential for photosynthesis, digestion process, function of enzyme, pepsin, function of enzymes, glycerol, holozoic nutrition, leaf adaptations for photosynthesis, limiting factors, mineral nutrition in plants, mineral salts, molecular biology, photolysis, photons in photosynthesis, photosynthesis in plants, photosynthesis, starch, stomata and functions, storage of excess amino acids, structure and function, structure of lamina, formation and test, vitamins and minerals, water transport in plants, and nutrition. The e-Book Reproduction in Plants MCQs PDF, chapter 14 practice test to solve MCQ questions: Transport in flowering plants, artificial methods of vegetative reproduction, asexual reproduction, dormancy and seed germination, epigeal and hypogeal germination, fertilization and post fertilization changes, insect pollination, natural vegetative propagation in flowering plants, ovary and pistil, parts of flower, pollination in flowers, pollination, seed dispersal, dispersal by animals, seed dispersal, sexual and asexual reproduction, structure of a wind pollinated flower, structure of an insect pollinated flower, types of flowers, vegetative reproduction in plants, wind dispersed fruits and seeds, and wind pollination. The e-Book Respiration MCQs PDF, chapter 15 practice test to solve MCQ questions: Aerobic respiration and waste, biological science, human biology, human respiration, molecular biology, oxidation and respiration, oxygen debt, tissue respiration, gas exchange, breathing, and respiration. The e-Book Sexual Reproduction in Animals MCQs PDF, chapter 16 practice test to solve MCQ questions: Features of sexual reproduction in animals, and male reproductive system. The e-Book Transport in Mammals MCQs PDF, chapter 17 practice test to solve MCQ questions: Acclimatization to high attitudes, anemia and minerals, blood and plasma, blood clotting, blood platelets, blood pressure testing, blood pressures, carboxyhemoglobin, circulatory system, double circulation in mammals, function and shape of RBCS, heart, human biology, human heart, main arteries of body, main veins of body, mode of action of heart, organ transplantation and rejection, production of antibodies, red blood cells, hemoglobin, red blood cells in mammals, role of blood in transportation, fibrinogen, and white blood cells. The e-Book Transport of Materials in Flowering Plants MCQs PDF, chapter 18 practice test to solve MCQ questions: Transport in flowering plants, cell biology, cell structure and function, epidermis and homeostasis, functions and composition, herbaceous and woody plants, mineral salts, molecular biology, piliferous layer, stomata and functions, structure of root, sugar types, formation and test, water transport in plants, and transpiration. The e-Book Enzymes MCQs PDF, chapter 19 practice test to solve MCQ questions: Amino acid, biological science, characteristics of enzymes, classification of enzymes, denaturation of enzymes, digestion process, digestion, catalyzed process, effects of pH, effects of temperature, enzymes, factors affecting enzymes, hydrolysis, rate of reaction, enzyme activity, and specifity of enzymes. The e-Book What is Biology MCQs PDF, chapter 20 practice test to solve MCQ questions: Biology basics, cell biology, cell structure, cell structure and function, cells, building blocks of life, tissues, excretion, human respiration, red blood cells and hemoglobin, sensitivity, structure of cell and protoplasm, centrioles, mitochondrion, nucleus, protoplasm, vacuoles, system of classification, vitamins, minerals and nutrition.