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Chapter 2: Animal Receptor Organs MCQs

Chapter 3: Hormones and Endocrine Glands MCQs

Chapter 4: Nervous System in Mammals MCQs

Chapter 5: Drugs MCQs

Chapter 6: Ecology MCQs

Chapter 7: Effects of Human Activity on Ecosystem MCQs

Chapter 8: Excretion MCQs

Chapter 9: Homeostasis MCQs

Chapter 10: Microorganisms and Applications in Biotechnology MCQs

Chapter 11: Nutrition in General MCQs

Chapter 12: Nutrition in Mammals MCQs

Chapter 13: Nutrition in Plants MCQs

Chapter 14: Reproduction in Plants MCQs

Chapter 15: Respiration MCQs

Chapter 16: Sexual Reproduction in Animals MCQs

Chapter 17: Transport in Mammals MCQs

Chapter 18: Transport of Materials in Flowering Plants MCQs

Chapter 19: Enzymes MCQs

Chapter 20: What is Biology MCQs

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Practice Nervous System in Mammals MCQ PDF book, chapter 4 class 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.

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Practice Ecology MCQ PDF book, chapter 6 class 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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Practice Excretion MCQ PDF book, chapter 8 class test to solve MCQ questions: Body muscles, excretion, egestion, formation of urine, function of ADH, human biology, kidneys as osmoregulators, mammalian urinary system, size and position of kidneys, structure of nephron, and ultrafiltration.

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Practice Nutrition in Plants MCQ PDF book, chapter 13 class 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.

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Practice Respiration MCQ PDF book, chapter 15 class 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.

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The O Level Biology Multiple Choice Questions (MCQ Quiz) with Answers PDF (O Level Biology MCQ PDF Download): Quiz Questions Chapter 1-20 & Practice Tests with Answers Key (IGCSE GCSE Biology Questions Bank, MCQs & Notes) includes revision guide for problem solving with hundreds of solved MCQs. O Level Biology MCQ with Answers PDF book covers basic concepts, analytical and practical assessment tests. "O Level Biology MCQ" Book PDF helps to practice test questions from exam prep notes.

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Chapter 1: Biotechnology MCQs

Chapter 2: Animal Receptor Organs MCQs

Chapter 3: Hormones and Endocrine Glands MCQs

Chapter 4: Nervous System in Mammals MCQs

Chapter 5: Drugs MCQs

Chapter 6: Ecology MCQs

Chapter 7: Effects of Human Activity on Ecosystem MCQs

Chapter 8: Excretion MCQs

Chapter 9: Homeostasis MCQs

Chapter 10: Microorganisms and Applications in Biotechnology MCQs

Chapter 11: Nutrition in General MCQs

Chapter 12: Nutrition in Mammals MCQs

Chapter 13: Nutrition in Plants MCQs

Chapter 14: Reproduction in Plants MCQs

Chapter 15: Respiration MCQs

Chapter 16: Sexual Reproduction in Animals MCQs

Chapter 17: Transport in Mammals MCQs

Chapter 18: Transport of Materials in Flowering Plants MCQs

Chapter 19: Enzymes MCQs

Chapter 20: What is Biology MCQs

Practice "Biotechnology MCQ" PDF, books chapter 1 test to solve MCQ questions: Branches of biotechnology and introduction to biotechnology.

Practice "Animal Receptor Organs MCQ" PDF, books chapter 2 test to solve MCQ questions: Controlling entry of light, internal structure of eye, and mammalian eye.

Practice "Hormones and Endocrine Glands MCQ" PDF, books chapter 3 test to solve MCQ questions: Glycogen, hormones, and endocrine glands thyroxin function.

Practice "Nervous System in Mammals MCQ" PDF, books chapter 4 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.

Practice "Drugs MCQ" PDF, books chapter 5 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.

Practice "Ecology MCQ" PDF, books chapter 6 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.

Practice "Effects of Human Activity on Ecosystem MCQ" PDF, books chapter 7 test to solve MCQ questions: Atmospheric pollution, carboxyhemoglobin, conservation, fishing grounds, forests and renewable resources, deforestation and pollution, air and water pollution, eutrophication, herbicides, human biology, molecular biology, pesticides, pollution causes, bod and eutrophication, carbon monoxide, causes of pollution, inorganic wastes as cause, pesticides and DDT, sewage, smog, recycling, waste disposal, and soil erosion.

Practice "Excretion MCQ" PDF, books chapter 8 test to solve MCQ questions: Body muscles, excretion, egestion, formation of urine, function of ADH, human biology, kidneys as osmoregulators, mammalian urinary system, size and position of kidneys, structure of nephron, and ultrafiltration.

Practice "Homeostasis MCQ" PDF, books chapter 9 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.

Practice "Microorganisms and Applications in Biotechnology MCQ" PDF, books chapter 10 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.

Practice "Nutrition in General MCQ" PDF, books chapter 11 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.

Practice "Nutrition in Mammals MCQ" PDF, books chapter 12 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.

Practice "Nutrition in Plants MCQ" PDF, books chapter 13 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.

Practice "Reproduction in Plants MCQ" PDF, books chapter 14 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.

Practice "Respiration MCQ" PDF, books chapter 15 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.

Practice "Sexual Reproduction in Animals MCQ" PDF, books chapter 16 test to solve MCQ questions: Features of sexual reproduction in animals, and male reproductive system.

Practice "Transport in Mammals MCQ" PDF, books chapter 17 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.

Practice "Transport of Materials in Flowering Plants MCQ" PDF, books chapter 18 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.

Practice "Enzymes MCQ" PDF, books chapter 19 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.

Practice "What is Biology MCQ" PDF, books chapter 20 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.

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