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Biology Class Notes
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Biology Notes for UPSC IAS Prelims (Part I), Biology is one of the disciplines of science.
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“Low Data Holding Capacity Syndrome: Cause, Types, Diagnosis” “Nucleosome: Description and Narration” ‘Vital and Non-vital Organs in Our Body: Functions” A Brief Introduction to Bioluminescence A Brief on Prehistoric Earth A Study on Various Modes of Excretion A Study on Various Modes of Excretion ABO Blood Group and RH Group System ADH Hormone AIDS and HIV ATP Synthesis in Mitochondria Abdomen Abdominal Muscle Abiogenesis Abiotic Components Abortifacient Abortion – Pregnancy Abrasion Absorption of Digested Food Absorption of Digested Foods Accessory Glands of the Animal Reproductive System Accessory Organs Acclimatization Accumulation of Variation During Reproduction Acetaminophen Achene Achilles Tendon Acidity – Causes, Symptoms and Treatment Acidity Symptoms Acoustic Neuroma Acromegaly Actin Filaments Actinomycete Active Transport Acute and Chronic Diseases Adaptation and Habitats Adaptive radiation evolution Addison\’s Disease Adductor Muscle Adenosine Triphosphate Formation Adipose Tissue Adolescence and Drug Abuse Adolescence and Puberty Adrenal Insufficiency Adrenocorticotropic Hormone Adulthood Advantages of Dam Aerobe Aerobic Respiration Aerobic and Anaerobic Respiration Aerobic and anaerobic respiration Agaricus Bisporus – Phylogeny, Structure, and Reproduction Agglutinin Agricultural Implements Agricultural Practices Agriculture – Soil Formation and Preparation Agriculture Selection and Sowing of Seeds Agriculture and Fertilisation Agriculture and Fertilizers Agriculture and Organic Farming Agroforestry – Types, Different Systems and Benefits Aids Aids Causes Air Around Us Air Pollution – Explanation, Examples, Causes and Conclusion Air Pollution Control Air for Breathing and Combustion Air, Water and Soil Alcohol and Drug Abuse Prevention Control Aldosterone Algae Algal Bloom Alimentary Canal Alimentary Canal Anatomy Allantois Allee Effect Allele Allograft Allopatric and Sympatric Speciation Allosteric Enzymes Allosteric Enzymes Alternative to Dams Alternatives to Dams Amanita Amber Amensalism Amino Acids Ammonification Ammonotelism Amniocentesis Amoeba Amoeba Order Amoebiasis – Treatment and Prevention Amphibia Amphibolic Pathway Amygdala Amylase Amyloidosis An Introduction to Snail Life Cycle An Overview of Viral Diseases Anabaena Anaerobic Digestion Anagenesis Analogy Evolution Anaplerotic Reactions Anatomy and Physiology Anatomy and Types of Jugular Veins- Functions, Significance and Types Androecium Androgen Androgen Hormone Anemia Angina Pectoris Angiosperms Angiosperms And Gymnosperms Difference Animal Animalia Lower Invertebrates Animal Cell Animal Husbandry Animal Kingdom Animal Kingdom – Animalia Phylum, Subphylum Animal Kingdom Concept Map Animals Nervous System Annelida Annelids Annual Plant Anorexia Nervosa Ant Life Cycle Anther Anthrax Anthropology Anti Mullerian Hormone Antibiotics Antibodies – Functions, Types, Production and Parts Antigen Antigen and Immunology Antimanic Drugs Antimicrobial Resistance Antineoplastic Antibiotics Antitoxin Antiviral Drugs – Explanation, Classification and Types Anxiety Symptoms Apgar Score Apical Meristem Apicomplexan Apiculture Beekeeping Apomixis Apoplast Apoptosis Aposematism Appendicitis Appendix Appetite Apple Scab Applications of Biotechnology Applications of Enzymes Aquarium Aquatic Ecosystems Aqueous Humor Arboretum Archaea Archaebacteria Are We Not Lucky that Plants Reproduce Sexually? Arm Artemisinin Arteries Arteriosclerosis Arthritis Arthritis Symptoms Arthus Phenomenon Artificial Hybridization in Plants Artificial Pollination Artificial Respiration Ascaris Life Cycle Ascocarp Asexual Reproduction Asexual Reproduction Animals Asexual Reproduction in Plants Asteraceae – Characteristic Features, Uses and Importance Asteraceae, Brassicaceae, Poaceae – Angiosperm Families Asthma Asthma Symptoms Astringent Astrocyte Atrial Fibrillation Atrophy Auscultation Autecology Autoimmune Allergy Autonomic Nervous System Autophagy Autosomal Dominant Inheritance Autosome Autotroph Autotrophic Nutrition Auxin Aves and It\’s Characteristics Aviary Axial Skeleton – Functions, Parts, Differences and Importance Axial and Visceral Skeleton Axon Ayahuasca – Experience, Benefits, Side Effects and FAQs Ayurveda Azotobacter – Types, Characteristics and Uses Bacillus Bacteria Bacillus Thuringiensis Back To Oceans Backcross Bacteria Bacteria – Evolution, Characteristics, Types and Examples Bacterial Diseases in Humans Bacterial Genetics Bacterial Meningitis – Causes, Symptoms, Features and FAQs Bacteriophages Balanced Diet Ball Socket Joint Barr Body Basal Ganglia – Anatomy, Functions, Disorders and Facts Base Pair Basic Internal Anatomy of Leaf Basics of Genetics Basidiocarp Basidium Batrachospermum Bats Scientific Name Bear Scientific Name Bed Bug Life Cycle Behavioral Genetics Benefits of Garlic Benthic Zone Bergmann\’s Rule Beriberi Berry Fruit – Different Types, Benefits and Examples Bi Root Word Biceps Muscle Bile Binary Fission – Definition, Examples, Types and FAQ Binary Fission in Amoeba and Budding in Yeast Binomial Nomenclature Biochemical Oxygen Demand Biochemistry Important Questions Biocontrol Agents Biodegradable and Non-Biodegradable Substances Biodiesel Biodiversity Biodiversity Conservation Biodiversity Flowchart Biodiversity Loss Biodiversity Pattern in Species Biodiversity and Conservation Map Biodiversity in Plants And Animals Biodiversity of Plants and Animals Biofertilizers Biofortification Biogas Biogenetic Law Biogeochemical Cycle Biogeochemical Cycles Bioinformatics Biological Classification Biological Classification MCQs For NEET And Boards Examination Biological Facts Biological Rhythms Biological Significance of Carbohydrates Biology Projects For Class 11 Biology Root Words Starting With Hyper Biology Root Words Starting with Ab or Abs Biology Root Words Starting with Cide Biology Root Words Starting with ‘Geno’ Biomagnification Biomass Biomass Definition Biomass Energy Biome Biomechanics Biomes of the World Biomolecules Biomolecules Chemical Analysis Biophilia Hypothesis Biopiracy Bioprocessing Bioreactor Obtaining Foreign Gene Bioremediation Biosafety Issues Biosphere Reserve Biotechnology Biotechnology Jobs Biotechnology Principles Biotechnology Process Biotechnology and Its Applications Biotechnology in Agriculture Biotic Factors Biotic Potential Biotic and Abiotic Biotic and Abiotic Factors Bipedalism Bipolar Disorder Bird Ears – Anatomy, Structure and Sensitivity Birdsong Birth Birth Canal Birth Control Blastema Blastocyst Blastopore Blastula Blight Blind Spot Blood Blood Analysis Blood Cancer Blood Cancer Symptoms Blood Cell Formation Blood Circulatory System Blood Coagulation Blood Group Test Blood Pressure Symptoms Blood Pressure Test Blood Supply of Heart Blood Vessel Blood and Nerve Supply in Human Body Heat Body Movements Bolus Bone Anatomy Bone Formation Bone Marrow Bones of Leg Bones of The Foot Bones of the Ankle Bones of the Wrist Book Lungs Botanical Name of Aloe Vera Botanical Name of Amla Botanical Name of Ashwagandha Botanical Name of Bajra Botanical Name of Banyan Tree Botanical Name of Cabbage Botanical Name of Chilli Botanical Name of Coconut Botanical Name of Coffee Botanical Name of Grapes Botanical Name of Jamun Botanical Name of Lady Finger Botanical Name of Pea Botanical Name of Rice Botanical Name of Rose Botanical Name of Soybeans Botanical Name of Sugarcane Botanical Name of Tea Botanical Names Botany Brachial Artery – Course, Relations and Branches Bract Brain Diseases Brain Facts Brain Tumour Symptoms Brainstem Breast Cancer Breathing in Other Animals Breeding Bright\’s Disease Broca Area Brooding Bryophyta Bryophytes Bt Crops Bud Budding Budding in Bacteria Bulbocavernosus Muscle Bulbourethral Gland Burn Butterfly Lifecycle C3 and C4 Pathways C3 and C4 Pathways of Photosynthesis CTE – Signs, Symptoms, Causes, Diagnosis and Treatment Caecum – Location, Structure, Difference, Functions and FAQs Calcitonin Calcium Deficiency Symptoms Calcium in Human Digestive System Callus Calorific Value Calvin cycle Cambium Camouflage Cancellous Bone Cancer Cane Plant Capillary Anatomy Capsid Protein Capsules and Slime Layers Carbohydrate Metabolism Carbohydrates Carbon Cycle Carbon Footprint – History, Main Contributors and FAQs Cardiac Cycle Cardiac Muscle Cardiac Output Carnivores Herbivores Carpal Bone – Anatomy, Functions and Location Carpel Carpel and Pistil Carrying Capacity Cartilage Case Fatality Rate Casein Catadromous Fish Migration Catalase Enzyme Catatonic Schizophrenia Caterpillar Insect – Etymology, Characteristics and Growth Catkin Cattle Farming Animal Husbandry Causes of Noise Pollution Causes of Solid Waste Pollution Causes of Stress Causes of Waste Management Causes of Water Pollution Causes of Water Scarcity Cell – Theory, Types, Structure and FAQs Cell Biology Cell Cycle – Stages, Interphase, Duration, Differences and FAQs Cell Cycle and Cell Division Cell Cycle and Division Cell Division Cell Division and Growth Cell Growth and Reproduction Cell Organelles Cell Organization Cell Structure and Function Cell The Unit of Life Cell Theory – History, Theory, Postulates and Types Cell Transport Cell Wall Plant Anatomy Cell Wall and Cell Membrane Cells Cells Size Shape Count Cellular Respiration Cellular Respiration Concept Map Cellulose in Digestion Central Dogma of Molecular Biology Central Nervous System Centriole Centromere Centrosome Cephalic Index Cephalization Ceratium Cereals – Names List, Different Types and Benefits Cerebellum Cerebral Spinal Fluid – Composition, Analysis, and Leakage Cerebrum Cervix Cesarean Section Changes Around Us Characteristics of Adolescence Charles Darwin Theory Chemical Control of Plant Diseases Chemical Nursery – A Brief on Life\’s Beginnings Chemical Reactions of Carbohydrates Chemotaxis – Characteristics, Signal Transduction and Types Chemotrophs Chicken Life Cycle Chickenpox Symptoms Child Psychology – Evolution, Prime Contexts and Essential Influences Chimera – Genetics Chlamydia Chlamydomonas Chlorella Chlorophyll Definition Chloroplasts Chloroquine Cholera Chorionic Villi – Classification, Stages, Significance and FAQs Chromatin Chromatophore Chromosomal Abnormalities Chromosomal Disorders in Humans Chromosomal Theory of Inheritance Chromosome Chronic Diseases and Poor Health Chyle Chyme Ciliate Ciliated Epithelium Cilium Circulatory System Cirrhosis Disease – Complications, Symptoms and Treatment Classes of Immunoglobulins Classification of Animal Kingdom Classification of Plants Classification of Tissues Clavicle Claw Cleavage Embryo Climate Clitoris Cloaca Clone Genetics Cloning Vector Clostridium – Classification, Properties and Treatment Co Dominance and Multiple Alleles Cocaine Coccus Bacterial Shape Cochlea Cochlear Nerve and Central Auditory Pathways of an Ear Cockroach Life Cycle Coconut Water Nutrition Cocoon Codominance Coelenterata Coelom Coenzyme Cognitive Behavioural Therapy Collagen Collect Water from Two Different Water Bodies Around You and Study Them for ph Clarity and Presence of any Living Organism Collect and Study Soil from at Least Two Different Sites – Practical Experiment Collenchyma Colon Cancer Symptoms Color Blindness Color Vision Commensalism Common Cold Common Diseases in Humans Ascariasis Common Diseases in Humans Malaria Community in Biology Comorbidity Comparative Anatomy Competent Cells Competitive Exclusion Principle Competitive Inhibition – Process, Examples and Outcome Complement System – Explanation, Activation Pathways and FAQs Components of Food – Carbohydrates, Protein, Fats, Vitamins and Dietary Fiber Components of Species Diversity Composition of Lymph Concept of Species Conduction of Nerve Impulse Connective Tissue Conservation of Biodiversity Conservation of Forest and Wildlife Conservation of Plants and Animals Contraception Control and Coordination Control of Breathing Controlled Pollination Emasculation Tagging and Bagging Convergent and Parallel Evolution Coronary Artery Disease Coronary Circulation – Types, Significance, Facts and FAQs Corpus Callosum – Location, Structure, Functions and Facts Corticotropin-Releasing Hormone (CRH) Cortisol Hormone Cortisone Cosmic Disasters That Can End Life on Earth Cotyledon Countercurrent Mechanism Countercurrent Mechanism – Urine Formation Cranial Nerves Crawling Animals: An Overview of Animals that Crawl Cretinism Criticism of Law of Limiting Factor Crop Production Crop Production and Management Crop Protection Cropping Patterns Cross Fertilization Crown Gall Cryopreservation Cryptobiosis Cryptosporidium Life Cycle Cumulative Incidence Cup Fungus Curare Cuticle Cyclic Photophosphorylation Cyclic and Non Cyclic Photophosphorylation Cyclostomata Cymose Inflorescence Cysteine Cytokine Cytokinin Cytokinins Cytology Cytopathic Effect Cytoplasm Structure Function Cytoskeleton DNA Cloning DNA Fingerprinting DNA Repair DNA Replication DNA Sequencing – Methods, Applications and Automated DNA DNA Structure and It\’s Details DNA Transcription – mRNA Damping Off Darwinism Darwin’s Contribution – The Evolution Theory Deadliest Pandemic Diseases to Ever Occur Death Deceleration Injury Deciduous Forest Decomposition Defibrillation Deficiency Diseases Deficiency Symptoms in Plants Degradation – Improper Use of Natural Resources Dehydration Deltoid Muscle Denaturation Process – Causes, Importance and Types Dendrites – Explanation, Structure, Functions and FAQs Dengue Dengue Symptoms Dengue Symptoms and Prevention Denitrification Denitrifying Bacteria Density Independent Factor Dental Formula Dentin Dentistry Deoxyribonucleic Acid (DNA) Genetic Material Deoxyribose Depression Symptoms Dermatitis Desertification Desmids Detritus Food Chain Deuteromycetes Development of the Human Reproductive Organs Diabetes Diet Diabetes Insipidus Diabetes Mellitus Diabetes and It\’s Symptoms Diagnostic Imaging Diagram of Eye Diagram of Mitochondria Dialysis Diapause Diaphragm Anatomy Diarrhea Diastole Diatom Dicotyledonous and Monocotyledonous Seed Dietary Fibre Significance Difference Between AIDS And HIV Difference Between Acquired and Inherited Traits Difference Between Actin and Myosin Difference Between Active and Passive Transport Difference Between Acute and Chronic Diseases Difference Between Adaptation and Mitigation Difference Between Aerobic and Anaerobic Bacteria Difference Between Air Pollution And Water Pollution Difference Between Air Pollution And greenhouse gases Difference Between Algae and Bryophytes Difference Between Amylose and Amylopectin Difference Between Angiosperms And Gymnosperms Difference Between Antigen and Antibody Difference Between Aorta and Pulmonary Artery Difference Between Ape and Man Difference Between Apogamy and Apospory Difference Between Apoptosis and Necrosis – Detailed Study of Comparison Difference Between Archaea And Bacteria Difference Between Arteries and Veins Difference Between Autotrophs and Heterotrophs Difference Between Auxin and Gibberellin Difference Between Axon and Dendrite Difference Between B Cells and T Cells Difference Between Biology and Biochemistry Difference Between Biology and Life Sciences Difference Between Biology and Microbiology Difference Between Biology and Zoology Difference Between Biology and biotechnology Difference Between Blood And Lymph Difference Between Blood And Plasma Difference Between Bone and Cartilage Difference Between Bony Fish and Cartilaginous Fish Difference Between Brain and Mind Difference Between Bryophytes and Pteridophytes Difference Between C3 and C4 Plants Difference Between Carpel and Pistil Difference Between Caterpillar and Butterfly Difference Between Cell Membrane and Plasma Membrane Difference Between Cell and Tissue Difference Between Centipede and Millipede Difference Between Cerebellum And Cerebrum Difference Between Chlorophyll a and Chlorophyll b Difference Between Chordates and non Chordates Difference Between Chromatin and Chromosomes Difference Between Chromosome And Chromatid Difference Between Chromosome and Chromatid Difference Between Cold Blooded and Warm Blooded Difference Between Compact and Spongy Bones Difference Between Corm and Bulb Difference Between Cross Pollination and Self Pollination Difference Between Cyclic And Non Cyclic photophosphorylation Difference Between Cyclic and Noncyclic Photophosphorylation Difference Between DNA and RNA Difference Between Darwinism and Lamarckism Difference Between Diapause and Hibernation Difference Between Diffusion and Osmosis Difference Between Disinfection and Sterilization Difference Between Dominant and Recessive Traits Difference Between Ecosystem and Biome Difference Between Ectomycorrhizae and Endomycorrhizae Difference Between Egestion and Excretion Difference Between Endocrine and Exocrine Glands Difference Between Endospore and Exospore Difference Between Environment and Ecology Difference Between Environment and Ecosystem Difference Between Enzymes and Hormones Difference Between Epidermis and Dermis Difference Between Erosion and Weathering Difference Between Esophagus and Trachea Difference Between Essential and Nonessential Amino Acids Difference Between Estrogen and Progesterone Difference Between Euchromatin and Heterochromatin Difference Between Exon and Cistron Difference Between Fat Soluble and Water Soluble Vitamins Difference Between Flora and Fauna Difference Between Fog and Mist Difference Between Fragmentation and Regeneration Difference Between Frog and Toad Difference Between Fungi and Lichens Difference Between Gene and DNA Difference Between Genotype and Phenotype Difference Between Globular and Fibrous Protein Difference Between Glottis and Epiglottis Difference Between Glycolysis and Krebs Cycle Difference Between Gram positive and Gram negative Bacteria Difference Between Granulocytes and Agranulocytes Difference Between Grazing and Detritus Food Chain Difference Between Haploid And Diploid Difference Between Heart Attack and Cardiac Arrest Difference Between Heart Rate and Pulse Rate Difference Between Herbivores and Carnivores Difference Between Herbs and Shrubs Difference Between Homozygous and Heterozygous Difference Between Humoral and Cell Mediated Immunity Difference Between Hypertrophy and Hyperplasia Difference Between Identical and Fraternal Twins Difference Between Incomplete Dominance and Codominance Difference Between Insect Pollinated and Wind Pollinated Flowers Difference Between Introns and Exons Difference Between Karyokinesis and Cytokinesis Difference Between Kwashiorkor and Marasmus Difference Between Larva and Pupa Difference Between Left Kidney and Right Kidney Difference Between Left and Right Kidney Difference Between Left and Right Ventricle Difference Between Leopard and Cheetah Difference Between Leopard and Jaguar Difference Between Linkage And Crossing Over Difference Between Lipids and Fats Difference Between Locomotion and Movement Difference Between Lysosomes and Ribosomes Difference Between Lytic and Lysogenic Cycle Difference Between MHC Class I and MHC Class II Proteins Difference Between Man and Ape Difference Between Measels and Rubella Difference Between Measles and Rubella Difference Between Micronutrients and Macronutrients Difference Between Mitochondria and Chloroplasts Difference Between Mixed Cropping and Intercropping Difference Between Molds and Yeasts Difference Between Monocot and Dicot Leaf Difference Between Monocot and Dicot Root Difference Between Monocot and Dicot Stem Difference Between Monocotyledon and Dicotyledon Difference Between Monocytes and Lymphocytes Difference Between Monohybrid And Dihybrid Difference Between Moth and Butterfly Difference Between Natural Selection And Adaptation Difference Between Nervous System and Endocrine System Difference Between Neurons and Neuroglia Difference Between Neurosis and Psychosis Difference Between Nucleotide and Nucleoside Difference Between Nucleus and Nucleoid Difference Between Open and Closed Circulatory System Difference Between Organs and Organelles Difference Between Pandemic and Epidemic Difference Between Pathogen And Parasite Difference Between Pharynx and Larynx Difference Between Photosynthesis and Cellular Respiration Difference Between Plant And Tree Difference Between Plant Animal and Bacterial Cells Difference Between Plant Cell and Animal Cell Difference Between Plasmid DNA and Chromosomal DNA Difference Between Pollination and Fertilisation Difference Between Polyp and Medusa Difference Between Primary Lymphoid Organs and Secondary Lymphoid Organs Difference Between Primary and Secondary Succession Difference Between Prokaryotic and Eukaryotic DNA Difference Between Prokaryotic and Eukaryotic DNA Replication Difference Between Prokaryotic and Eukaryotic Transcription Difference Between Protostomes and Deuterostomes Difference Between Pulmonary Artery and Pulmonary Vein Difference Between RBC and WBC Difference Between Rabi and Kharif Crops Difference Between Radicle and Plumule Difference Between Red and White Muscle Difference Between Replication and Transcription Difference Between Reptiles and Amphibians Difference Between Respiration and Combustion Difference Between Rhizome and Tuber Difference Between Ribose and Deoxyribose Difference Between Right and Left Lung Difference Between Rust and Smut Difference Between Saturated And Unsaturated Fats Difference Between Sea and Ocean Difference Between Sensory and Motor Neurons Difference Between Simple and Complex Tissues Difference Between Sleep And Hibernation Difference Between Smooth Endoplasmic Reticulum and Rough Endoplasmic Reticulum Difference Between Species Population and Community Difference Between Sperm and Ovum Difference Between Spinal cord And Backbone Difference Between Sporophyte and Gametophyte Difference Between Sweat and Sebum Difference Between Tendon and Ligament Difference Between Thorns and Spines Difference Between Tracheids and Vessels Difference Between Turtles and Tortoises Difference Between Unicellular And Multicellular Organisms Difference Between Upper and Lower Motor Neuron Difference Between Vaccination and Immunisation Difference Between Vertebrates and Invertebrates Difference Between Virus and Bacteria Difference Between Vitamin D and D3 Difference Between Vitamins and Minerals Difference Between Viviparous, Oviparous, and Ovoviviparous Animals Difference Between Weather and Climate Difference Between Wildlife Sanctuary and National Park Difference Between Xylem and Phloem Difference Between hypothesis and Theory Difference Between in Biology Difference between 70S and 80S Ribosomes Difference between Aestivation and Hibernation Difference between Afforestation and Deforestation Difference between Algae and Fungi Difference between Antigen and Pathogen Difference between Biology and Physiology Difference between Breathing and Respiration Difference between Cereals and Pulses Difference between Cilia and Flagella Difference between Cytoplasm and Protoplasm Difference between Diabetes Mellitus and Diabetes Insipidus Difference between Endoskeleton and Exoskeleton Difference between Endosmosis and Exosmosis Difference between Epidemic and Pandemic Difference between Food Chain and Food Web Difference between Gene and Allele Difference between Gene and Chromosome Difference between Humans and Animals Difference between Morbidity and Mortality Difference between Purines and Pyrimidines Difference between Renewable and Non Renewable Resources Difference between Sympathetic and Parasympathetic Nervous System Difference between Voluntary and Involuntary Muscles Difference between active and passive immunity Differences Between Arteries and Veins Differences Between Catabolism and Anabolism Differences Between Cytogenetics and Molecular Genetics Differences Between Hormone and Enzyme Differences Between Mitosis and Meiosis Differences Between Plasma and Serum Differences Between Protostomes and Deuterostomes Differences Between Purines and Pyrimidines Differences Between Spermatogenesis and Oogenesis Differences between Evaporation and Transpiration Different Types Ecological Pyramids Different Types of Respiration in Plants Different Uses of Air Different Ways of Taking Food Diffusion – Means of Transport Digestion Digestion Definition Digestion and Absorption Digestion in Ruminants Digestion of Dietary Fatty Acids Digestive Disorders Digestive System of Earthworms Dihybrid Cross Dinoflagellate Diphtheria Disadvantages of Dams Discovery of Cells Diseases – Types of Diseases and Their Symptoms Diseases of the Nervous System Diseases- Communicable and Non-Communicable Disorders of the Excretory System Distinguish between Weather and Climate Diuretic Diversity in Living Organisms Diversity in the Living World Do All Bacteria Have Plasmids Dog Life Cycle Dollo\’s Law Domestication Dominance Dose-Response Relationship Double Circulation Double Fertilization in Angiosperms Down Syndrome Dragonfly Life Cycle Drupe Ductus Deferens Duffy Blood Group System Duodenum Dwarfism Ear Anatomy – Explanation, Parts and FAQs Ear Bone Early Experiments on Photosynthesis Ebola Echinodermata Ecological Pyramid and Its Types Ecological Succession Ecology Ecology Ecosystem Ecosystem Services Ecotone Ectotherm Effect of Human Activities on The Environment Effector Cell Effects Of Air Pollution On Plants Effects of Climate Changes Effects of Land Pollution Effects of Mineral Oil Soil Pollution Effects of Noise Pollution Effects of Pollution on Human Health Effects of Wastage of Water Egestion Egg Ejaculation Ejaculatory Duct Electrical Shock Electrocardiogram Electrocardiogram Electrocardiograph Electroencephalography (EEG) Electron Transport Chain Elephantiasis Filariasis Ellipsoid Joints Embryo Development Embryo in Humans and Animals Embryology Embryonic Development in Human and its Stages Emphysema Endangered Species Endemic Species Endocrine System Ductless Glands Endoderm Endolymph and Perilymph Endoplasmic Reticulum and Golgi Body Endoplasmic Reticulum – Definition, Structure and Types Endoscopy Endotoxin Energy Currency of the Cell – Structure, Functions and FAQ Energy Flow In Ecosystem Enkephalin Entamoeba Histolytica Life Cycle Enterobacter Enterobius Vermicularis Life Cycle Enterogastrone Entomology Environment Environmental Issues – Introduction, Solved Questions and FAQs Enzyme Cooperativity Enzyme-Linked Immunosorbent Assay (ELISA) Enzymes Eosinophils Ependymal Cell Ephemeral Epicanthic Fold Epidemic Epidemiology Epidermal Scales Epidermis Plants Tissue Epinephrine Epiphysis Epiphytes Epithelial Tissue Epithelium Epitope Ergot Erysipelas Erythrocytes – Anatomy, Effects and Health Conditions Erythropoiesis – Fetal Life, Different Stages and Sites Erythropoietin(EPO) Essential Fructosuria Essential Mineral Elements Estrogen – Importance, Types, Uses and Functions Estrus Ethnography Ethology Ethylene Eubacterium Eukaryote Eukaryotic Nucleus Eukaryotic and Prokaryotic Translations Eustachian Tube Evolution Evolution Vs Progress Evolution of Bacteria Evolution of Life on Earth Evolutionary Revolution Exchange of Gases Excretion Excretion and Its Importance Excretory Products and Their Elimination Exophthalmos – Symptoms, Causes and Treatment Extensor Muscle External Auditory Canal External Fertilisation External Fertilization Extinction Extraocular Muscles of Eye Eye Diseases Eyeball Eyeglasses Facilitated Diffusion Facts About Algae Facts About Animal Cell Facts About Bacteria Facts About Blood Groups Facts About Global Warming and Greenhouse Effect Facts About Human Body Facts About Nervous System Facts About Nutrients Facts About Octopus Facts About Stomach Facts About Teeth Facts About Tongue Facts About the Eye Facts about Animals Facts about Heart Facts about Lungs Facultative Anaerobe – Explanation, Bacteria, Examples and Importance Fallopian Tube Famine – Causes and Effects Fats Fatty Liver Symptoms Feather Feces Feedback Mechanism in Hormones Female Hormones Female Reproductive System Femur Fertilisation in Plants Fertility Fertilization Fever Fever Symptoms Fibre to Fabric Fibrous Joints Fibula Filariasis Elephantiasis Filter Feeding Fimbriae and Pili- Classification, Structure and Functions Fimbriae in Bacteria – Characteristics, Importance, Functions and FAQs First Human Heart Transplant Fish Migration Fish Production Fish Farming Fish Reproduction Five Kingdom Classification Five Kingdoms Classification Five Levels of Ecology Flagella Flagship Species Flea Life Cycle Flight Adaptations Flora and Fauna Floriculture Flower Flu Symptoms Fluid Mosaic Model Theory Fly Life Cycle Food Adulteration Food Deficiency Food Microbiology Food Poisonin Symptoms Food Poisoning – Introduction, Symptoms and Food Preservation Food Preservation Methods Food Processing Food Production Food Source Food Variety Food Web Food: Where Does it Come From? Foot Forebrain Forest Forests – Our Lifeline Fossils – Tracing Evolution Fracture and Dislocation of Bone Fragmentation Frugivore Fruit Definition Fruits Formation, Parts, and Types of Fruits Fucus Functional Significance of Respiration Functions of vitamin A, B, C, D, E Fungi Life Cycle Fusarium Wilt Gait of Animals Gamete Gametogenesis Gametogenesis – Spermatogenesis and Oogenesis Gametophyte Ganoderma – Ingredients, Uses and Side Effects Ganongs Potometer Garbage In Garbage Out Gardening Gases – Exchange and Regulation Gastric Gland Gastric Mucosa Gastric Symptoms Gastroenteritis Gastrointestinal Tract Gastrulation Gemmules Gene Definition Gene Flow Gene Pool Gene Regulation Gene Therapy General Functions and Characteristics of Cell Genetic Code Genetic Code Codons Amino Acids Genetic Code Mutation Genetic Disorders Genetic Diversity Genetic Drift Genetic Engineering Genetically Modified Organisms Genetically Modified Organisms Genetics and Evolution Genome Genotype Genus Germ Layer Germ Plasm Theory Germ Theory Of Disease Germination Gestalt Psychology Gestation Gestational Diabetes Getting to Know Plants Giant Cell Giardia Life Cycle Gibberellins In Plants Glaucoma Global Warming Globulin Glomerulus – Structure, Filtering Process and FAQs Glucocorticoid Gluteus Muscle Glycogenolysis Glycolysis Glycolysis Glycolysis Glycolytic Pathway Glycoprotein – Structure, Function and Glycoprotein Hormones Goiter Golden Algae Gonadotropin Releasing Hormone Gonads Gonorrhea Gout Gram-Negative Bacteria Cell Wall Granulocytes – Function, Different Types and FAQs Grasshopper Life Cycle Grasshopper Lifecycle Grasshopper Scientific Name Grassland Adaptations Grassland Adaptations | Types, Climate and Vegetation – Grassland Grassland Dominant Plants Graves Disease Grazing Food Chain Green Algae Greenhouse Effect Growth Growth Factor Growth Hormone Deficiency Growth Hormones Growth Inhibitors Growth Ring Growth and Development of Organism Growth of Bacterial Populations Guttation Gymnodinium Gymnosperms Habitat Haemoglobin Hallucinogens – Examples, Uses, Treatment and FAQs Halothane Hand Anatomy Harmful Microorganisms Haustorium Health Diseases Health and Hygiene Heart Attack Symptoms Heart Diseases Heart Pump of the Circulatory System Heart Valves Heartbeat Heel Hematology Hemiplegia Hemocytoblast Hemolysis Heparin Hepatitis B Herbarium Herbicides – Uses, Types, Differences and Side Effects Herbivores Facts Herbivores and Carnivores Herbs and Their Benefits Herd Immunity Heredity Heredity and Evolution Heritability Hermaphroditism Herpes Herpetology Heterotroph Heterotrophic Nutrition Heterozygous- Explanation, Disease, Symptoms and FAQs Hindbrain Hinge Joints Hip Hippocampus Histamine Histology – The Study of Tissues As Well As Their Structures Histone History of Medicine Hives Homeopathy Homeostasis Homogenization – Process, Uses and FAQs Homologous and Analogous Structures Honey Bee Life Cycle Honey Bee Scientific Name Hookworm Life Cycle Horizontal Gene Transfer Hormonal Control of Menstrual Cycle Hormonal Imbalance Hormones Hormones – Heart, Kidney, GIT Hormones And Hormonal Disorders Horn Horticulture Hospital Host-Parasite Relationship How Can We Conserve Water? How Do Humans Use Microbes? How Do Insects Walk on Water How Do Organisms Reproduce? How Do Plants Reproduce – Short Answer How Does Reproduction Happen In Humans How Does Your Reproductive System Work? How Humans Affect the Environment How Primates Differ From Non-Primates Human Body – Anatomy Human Body Anatomy Human Body and Its Movements Human Brain – Overview, Diagram, Various Parts and Functions Human Brain Size Human Cardiovascular System Human Circulatory System Human Development – Explanation, Index, Indicators and FAQs Human Digestive System Human Ear Human Endocrine System Human Evolution Progress Human Excretory System Human Eye and the Colorful World Human Genome Project Human Hands and Feet Human Heart Human Heart – Structure, Function and Overview of the Heart Human Impact on the Environment Human Insulin Human Life Cycle Human Lung Human Muscular System Human Nervous System – Structure, Function and Description Human Physiology MCQs with Answer Key Human Pulse Human Reproduction Human Reproductive System Human Respiratory System Humanistic Psychology Humerus Humoral Immunity – Explanation, Differences, Steps and FAQ Humus Soil Component Hyaline Connective Tissue: Location, Structure, and Functions Hybrid Hybridization in Plants Hydroponic Systems Hyoid Bone Hypertension Hypertension Symptoms Hyperthyroidism Symptoms Hyperventilation Hypocalcaemia Hypogeal Germination Hypothalamus Hypothesis Hypothyroidism Hypoxia IVF Gift Zift – Solutions for Infertility Ichthyology Identical Twins – Different Types, Differences and Process Identification in Biology Identification of Stages of Gamete Development IgG Test – Explanation, Antibodies, Importance and FAQs Imbibition Imipramine Immunity Immunity System Immunoglobulin – Structure, Classification, Types and FAQs Immunology Immunosuppressant: Introduction, Uses, Theory and Side Effects Discussed Implantation Implantation in Human Importance of Air for Survival Importance of Ecosystem Importance of Protozoans Important Biodiversity and Conservation MCQs with Solutions Important Diagrams for CBSE Class 8 Impotence Improvement in Crop Yields Improvement in Food Reources Inbreeding Depression Incidence Incisors Teeth – Anatomy, Types, Functions and Interesting Facts Inclusion Bodies Incomplete Dominance Increase in Human Body Size Indigestion Industrial Melanism Infancy Infant Mortality Rate Infection Cycle of Virus Infectious Diseases Infertility Inflammation Inflorescence and Flowers Influenza Inherited Traits Inoculation Inorganic Nutrients Insect Life Cycle Insectivorous Plants Insertional Inactivation Insomnia Insulin and Glucagon Integument Intercellular Communication Interdependence of Plants and Animals Interesting Facts About Evolution Interesting Facts About Nutrition in Plants Interferon Internal Fertilization Interplay of Respiration Circulation and Metabolism Intestinal Gas Intestines – Explanation, Anatomy, Functions and FAQ\’s Intrinsic Factor Introduction to Body Fluids and Circulation Introduction to Hydroponics Introduction to Population Growth Invertebrate Excretory System Invertebrates Ion Channel Iproniazid Iris of the Eye Irrigation Islets of Langerhans Isolate DNA From Available Plant Material Such as Green Pea, Spinach Seeds, Papaya Jacobson\’s Organ Jaundice Symptoms Jellyfish Life Cycle Jet Lag Joint Diseases K Selected Species KT Extinction Kala Azar Keloid Keratin Ketogenesis Keystone Species Kidney Kidney Failure Symptoms Kidney Function Test Kidney Infection Symptoms Kidney Stone Kidney Stone Symptoms Kingdom Animalia Higher Invertebrates Kingdom Animalia Plantae And Viruses Kingdom Fungi Kingdom Fungi- Fungi Cell Structure, Reproduction in Fungi and Types Kingdom Monera Kingdom Monera Protista Fungi Klinefelter Syndrome Knee Know About The Mechanism of Enzyme Action Know The Difference Between Brain And Spinal Cord Know about the Factors Affecting Enzyme Activity Know about the Pathway of Electrons in Photosynthesis Know about the Physicochemical Properties of Amino Acids Kola Nut Kranz Anatomy Krebs Cycle Kupffer Cell Kwashiorkor L – Methionine LAC Operon Labelled Diagram of Human Ear Labia – Function, Structure, Location and Causes Labia Minora Laceration Lactation Lactobacillus Ladybird Life Cycle Lamarckism Lamina of a Plant Leaf Land Pollution Laparotomy Large Intestine Larynx Late Blight Latissimus Dorsi Muscle Law of Independent Assortment Law of Segregation and Law of Dominance Lawrence Kohlbergs Stages of Moral Development Lead Poisoning Leg Anatomy Leg Muscles – Anatomy, Types and Functions Legume Legumes – Example, Difference and Health Benefits Leishmania Life Cycle Leishmaniasis Length of Epididymis Leprosy Leukemia Leukocytosis Leukopenia Leukorrhea Leyding Cells – Histology, Differences and Functions Lichen Lichens Life Life Cycle Life Cycle of a Bird Life Expectancy Life Process Life Span of Animals Life process Ligament Light-dependent Reactions Linkage Group Linkage and Recombination Lipase Lipids Lipoprotein Lips Liver Liver Fluke Life Cycle Living Things Living World Living and Non-Living Things Lizard Life Cycle Lobes of the Brain Lobotomy Locomotion Locomotion and Movement Locust Life Cycle Loin Long Bones of Arms and Legs Loop of Henle Low Bp Symptoms Lumbago – Symptoms, Causes, Treatment and FAQs Lung Congestion Lung Diseases Lung Volumes Luteinizing Hormone Lycanthropy Lymph Tissue Fluid Lymphatic System Lymphoblast Lymphocyte Lysergic Acid Diethylamide (LSD) Lysosomal Storage Disease Lysosomes Lysozyme MCQ on BioInformatics MCQ on Iysosomes MCQ on Solid Waste Management MCQs on Amino Acids MCQs on Anatomy MCQs on Animal Cell MCQs on Antibiotics MCQs on Carbohydrates and Metabolism MCQs on ECG MCQs on Ecology MCQs on Enhancement of Food Production MCQs on Enzymes MCQs on Greenhouse Effect MCQs on Histology MCQs on Internal Structure of Root System and Leaf MCQs on Krebs Cycle MCQs on Meiosis MCQs on Parthenocarpy MCQs on Plant Hormones MCQs on Pteridophyta MCQs on Slime Moulds MCQs on Solid Waste Management MCQs on Vitamins MNS Blood Group System MOET Technology Macrocystis Macromolecule Maggot Insect Larva Major Histocompatibility Complex Male Reproductive System – Types, Diagram, Structure and Functions Male Sex Hormone Malnutrition Malpighian Tubules Mammalia Mange Mantle Manure Marasmus Marigold Botanical Name Marine Biology Marsupium Maslow\’s Hierarchy of Needs Theory Maslow’s Hierarchy of Needs Mass Extinction Mass Flow Hypothesis Masseter Muscle Mast Cell Mastoid Process – Anatomy, Advanced Features, Parts and Diagnosis Mayfly Life Cycle Measles Mechanism of Breathing Mechanism of Hormone Action Mediastinum Medical Termination of Pregnancy Medicine Medulla Oblongata Megafauna Meiosis 1 Stages and Process Meiosis 1 is Reduction Division Meiosis Cell Division Meiosis Definition Meiosis Phases Melanin Melanocyte Melanocyte – Stimulating Hormone Melatonin Hormone Membrane Membrane Lipids Mendel\’s Law Inheritance Experiments Mendelian Disorders Mendelian Disorders Mendelian Genetics Mendels Law of Inheritance Meninges Meningitis Menstrual Cycle Menstrual Cycle Reproductive Phase Merbromin Meristematic Tissue Meristems Activity Mesomorph Mesonephros Metabolic Disease Metabolic Wastes and Non-Metabolic Wastes Metabolism Metabolism Metabolic Pathways Metabolites Metabolites and Biomacromolecules Metamorphism – Life Cycle Of Frogs And Insects Methicillin Microbes and Diseases Microbes as Biofertilizers Microbes in Human Welfare Microbes in Industrial products Microbiology Microbodies Microcytic Anemia Microfilaments Microorganisms – Groups, Characteristics, Importance and Uses Micropropagation Microsporangia Microtubules Micturition Process Middle Ear – Explanation, Structure, Anatomy and Functions Migration in Mammals Migratory Birds Mimicry Mineral Nutrition Mineral Nutrition MCQs Mineral Nutrition MCQs with Answers Mineral Riches in the Soil Mineral Toxicity Minerals Minerals Nutrition Minerals in Food Mitochondria Mitosis Mitosis Metaphase Mitosis and Meiosis Model Organism Modern Hospital Modern Methods of Irrigation Modern Synthetic Theory of Evolution Modes of Nutrition Modes of Plant Reproduction Modes of Reproduction Modes of Transmission of Diseases Modification of Stem Modifications of Root Mold Fungus Molds and Yeasts Molecular Basis of Inheritance – Importance of DNA, RNA and Genetic Code Molecular Basis of Mutation Mollusca Molt Monera Monera Questions with Answers Monkey – Scientific Name, Behaviour and Appearance Monocot and Dicot Plant Anatomy Monocytes- Meaning, Structure, Role, and Significance Monohybrid Cross Mons Pubis Morbidity and Mortality Morphogenesis – Cellular, Molecular and Genetic Basis Morphology and Anatomy of Cockroach Morphology and Anatomy of Earthworm Morphology of Flowering Plants MCQs Morphology of Leaves Morphology of flowering plants Morula Mosaic Disease Mosquito Scientific Name Mountains and Mountain Animals Mouth Anatomy Movement Due to Growth Movement of Air Mucopolysaccharidosis – Symptoms, Types, Uses and FAQs Mucous Membrane Mullerian Mimicry Multicellular Organism Multinodular Goiter Mumps Muscle – Types, Function, Examples, Diagram and Facts Muscle Proteins Muscle Tone – Types, Symptoms, Abnormalities and FAQs Muscles Muscles of the Body – Explanation, Types and Functions Muscular System Muscular and Skeletal Disorders Mutagens Mutation a Genetic Change Mutualism Myasthenia Gravis Mycelium Mycology Mycorrhiza Myelin Myocardium – Description, Types, Functions and FAQs Myofibril Myoglobin – Role, Functions and Interesting Facts Narcissism Narcotic Nasal Cavity – Anatomy, Divisions, Lateral Wall and Nasal Septum Natural Resource Management Natural Selection Navel Necrosis Nectar Nematocyst Nematoda Nephritis Nephron Function Renal Tubules Nerve Cell Nerve Ending Receptors Nerve Gas – Explanation, Classes, Methods and Effects Nerves Nervous System Nervous Tissue Neural Control and Coordination Neuroglia Neurohormone Neurology Neuromuscular Junction – Explanation, Physiology, Structure and FAQs Neuron Neuron and Nerves Neurons and Nerve Impulse Neurons and Nerves Neuroplasticity Neuropsychiatry Neurosis Neurotransmitters Neutrophil – Features, Range and Symptoms Nipah Virus Symptoms Nitrifying Bacterium Nitrogen Cycle Nitrogen Fixation Nitrogen Metabolism Nitrogen-Fixing Bacteria Node of Ranvier Non-Mendelian Inheritance Norepinephrine Normocytic Normochromic Anemias Nose Notochord Nuclear Membrane Nuclear Waste Nuclear Winter Nuclease Nucleolus Nucleoplasm Nucleoproteins Nucleotide Nucleus Nursing Nutrition Nutrition in Amoeba Nutrition in Animals Nutrition in Fungi Nutrition in Human Beings Nutrition in Plants Obesity Obsessive Compulsive Disorder Occipital Occupational Disease Occupational Therapy Octopus Life Cycle Oesophagus Ointment Omentum- What is Omentum, Functions and Overview of its Structure Omnivores Oogenesis Ophthalmology Opium Optic Nerve Organ Organ Specific and Tissue Specific Manifestations Organelle Organisms Reproduction Organisms and Population Attributes Origin and Evolution of Man Origin of Life on Earth Ornithology Osmoregulation Osmosis Osteoarthritis Osteoblast Osteoclast Osteocyte Osteon Our Environment Ovaries – Anatomy, Structure, Functions and FAQs Ovary Plant Ovary of Animal and Human Overpopulation Overview of Food Chain Overview of Natural Resource Management Ovule Ovum Oxidative Phosphorylation Oxidoreductase Oxygen Cycle Environment Oxytocin Ozone Layer and It\’s Depletion P Blood Group System P Null Blood Group – Explanation, Characteristics and Discovery Paedomorphosis Palaeontology Panama Disease Pancreatitis Pandemic Papovavirus Paralysis Symptoms Paramyxovirus Parasitic Symbiosis Parasitism Parasitoid Parasympathetic Nervous System Parathyroid Hormone Parenchyma Plant Tissue Parenteral Route – Basics, Advantages, Types and FAQs Parietal Cell Parthenocarpy Parthenogenesis Parts of Plants Parts of a Compound Microscope Parturition Passive Transport Pathogen Pectoralis Muscle Pedigree Analysis- Genetic History of Family Pedodontics Pellagra Pelvis Penicillin Penis Pepsin Peptic Ulcer Peptide Bonds Biomolecules Peptide Bonds and Other Bonds Percussion Perennial Periodontal Membrane Periosteum Peripheral Nervous System Peristalsis Peritoneal Cavity- Introduction, Anatomy and its Functions Peritoneal Dialysis Peritoneum Permanent Tissue Permian Extinction Peroxisomes Phagocytosis Pharmacology Pharmacy Pharynx Phases of Gastric Secretion Phases of Growth in Plants Phenothiazine Phenotype Phloem Phospholipid Phosphorus Cycle Phosphorus Deficiency Photolysis Photomorphogenesis Photoperiodism and Vernalisation Photoperiodism, Vernalisation And Seed Dormancy in Plants Photorespiration in C3 and C4 Plants Photosynthesis Photosynthesis Photosynthesis Process Photosynthesis and Chemiosmotic Hypothesis Phototropism Phycology Phylogeny Phylum Arthropoda Phylum Porifera Physical Injury Physiology Physiology of Hearing Phytoplankton Phytotherapy Picornavirus Pigments Piles Symptoms Pilobolus Pineal Gland Piperazine Pistil Pituitary Gland Pivot Joints Plague Plague Disease- Introduction, Types, Symptoms, and Treatment Plant Breeding Plant Cell Plant Differentiation and Development Process Plant Disease General Characteristics Plant Fibres Plant Growth Regulators Plant Growth and Development Plant Growth and Development Class 11 Notes Plant Kindom Plant Kingdom Plantae Plant Life Cycle Plant Physiology – Meaning, Plant Parts, Functions and Respiration in Plants Plant Reproductive System Plant Respiration Plant Roots Plant Stem – Structure, Functions, Types and Utility Plant Tissue Culture Plant Tissue vs Animal Tissue Plant Tissues Plant Water Relations Plants Planula Plasma Plasmodesmata Plasmodium Plasmodium Life Cycle Plasmolysis Plasmolysis Plastids Platyhelminthes Pleiotropy Pleura Pleurisy Plywood and Laminated Wood Pneumatophore Root System Point Mutation Polio Vaccine Pollen Pollen Pistil Interaction Pollination By Birds Pollution and Calamities – Types, Causes and Effects Pollution of Air and Water – Introduction, Effects and Food Chain Disruption Polyembryony Polymerase Chain Reaction Polyploidy Polysaccharides Pons Population Population Interaction Portal Vein Post Fertilization Events in Plants Postsynaptic Potential Potoplasm Poultry Farming Predators Premolar Teeth – Structure, Differences and Facts Principle of Treatment Principles of Genetics Principles of Inheritance and Variation Prions Probiotics Productivity in the Ecosystem Prokaryotic Cell Prokaryotic and Eukaryotic Cells Pronephros Prontosil Proprioception Prostaglandin Prostaglandins – Uses, Functions, Concentration, and FAQs Prosthesis Protein Denaturation Protein Energy Malnutrition – Explanation, Symptoms and Treatment Protein Hormones Protein Structure and Function Proteins Proteins of the Blood Serum Proteolytic Enzyme Prothallus Protista Protochordata Protozoal Disease Protozoology Psoriasis Psoriasis Symptoms Psychedelic Drug Psychological Test – Types, Importance and Characteristics Psychology Pteridophytes Ptyalin Puerperium Pulmonary Alveolus Pulmonary Artery – Anatomy, Function and Medical Conditions Pure Culture Putrefaction Pyrimidine – Structure, Uses, Functions and Synthesis Quadriceps Muscles – Anatomy, Origin and Exercises Quarantine Quinine Quorum Sensing R-Selected Species R-factor RCH Programme RNA Interference RNA World Hypothesis Rabies Racemose Inflorescence Radioactive Wastes and Pollution Radula Rain Rate of Transpiration Rattlesnake Scientific Name Reaching The Age of Adolscence Receptors Recessiveness Recombinant DNA Technology Recombinant DNA Technology Recombinant DNA Technology Process Rectum Recycling of Paper Red Algae Red Blood Cells – Shape, Hemoglobin, Functions, Structure and FAQs Red Data Book Red Fox Scientific Name Red Tide Reflex Action Reforestation Planting Trees Regeneration Regeneration Process Regions of Root Relaxin Rem Renal Blood Circulation Renal Failure Renal Pyramids Renal Vessels and Nerves Renewable and Non-Renewable Resources : Types, Differences, Examples and FAQs Renin Reproduction Reproduction In Organism Reproduction and Animals Reproduction and Life Histories of Algae Reproduction in Animal Reproduction in Bacteria Reproductive Health Reproductive Processes of Fungi Reproductive System Diseases Reproductive System of Earthworm Reproductive System of Earthworm Reptilia Reserpine Resources on Earth Respiration Respiration in Cockroach and Earthworm Respiration in Fish Respiration in Plants Respiratory Quotient Respiratory System Disorders Respiratory and Lung Volumes Restriction Enzymes Retina Retrovirus Rh Blood Group System Rheumatoid Arthritis Rhizobium Rhizome Rhizomorph Rhizopus Rib Bone Rib Cage Riboflavin Ribosomal RNA Ribosomes Rice Bacterial Blight Ricin Rickets Rickettsia Rigor Mortis Rinderpest Ringer\’s Solution Ringworm Role Of Other Organs In Excretion Role of Bacteria in Industry Role of Digestive Enzymes Role of Macronutrients and Micronutrients Role of Meat, Fish and Eggs in Human Nutrition Root Pressure Root Words for Aqua Root Words for Macro Rorschach Test – Origin, Contents and Interpretations Rot Rough Endoplasmic Reticulum Ruminant Digestive System SARS SDS Page Saccharomyces Sacrum Saddle Joints Saliva Salivary Gland – Functionality, Role and Production Salmonella Sand Dune Sap Plant Physiology Saprophytes Sarcodina Sargassum Sartorius Muscle Saturated Fatty Acids – Types, Examples and Oxidation Scapula Scar Scavengers Schema Cognitive Schistosomiasis Life Cycle Schwann Cell Scientific Name Of Vitamins Scientific Name for Brown tree Snake Scientific Name of Cobra Scientific Name of Curry Leaves Scientific Name of Deer Scientific Name of Dolphin Scientific Name of Eagle Scientific Name of Giraffe Scientific Name of Hen Scientific Name of Housefly Scientific Name of Lizards Scientific Name of Neem Scientific Name of Pigeons Scientific Name of Polar Bear Scientific Name of Rat Scientific Name of Rat Snake Scientific Name of Sheep Scientific Name of Snake Scientific Name of Snakehead Scientific Name of Sparrow Scientific Name of Spider Scientific Name of Starfish Scientific Name of Sun Bear Scientific Names of Animals and Plants Scientific Names of Plants and Animals Sclera – Functions, Different Problems and FAQs Sclerenchyma Scrotum Scrub Typhus Scurvy Sea Turtle Life Cycle Seaweed Sebaceous Gland Secondary Growth – Vascular Cork Cambium Secondary Structure of Protein – Classification and Differences Secretin Secretion Secretory Vesicles Sedative Hypnotic Drug Seed Dispersal by Animals and Water Seed Dispersal by Water Seed Formation Self Fertilization Sella Turcica – Explanation, Anatomy, Syndrome and FAQs Semantics Semen Semilunar Valve Seminal Vesicle Senescence Sense Organs Sensory Perception Septicemia Serological Test Serum Sewage Treatment Sex Sex Chromosomes Sex Determination – Boy or Girl Sex Hormone Sex Hormones and Reproductive Functions Sex Linkage Sex Linked Characters Sex-limited Character Sexual Dimorphism Sexual Intercourse Sexual Reproduction and Reproductive Systems Sexual Reproduction in Flowering Plants Sexual Reproduction in Plants Sexual Selection Sexual and Asexual Reproduction Sexually Transmitted Diseases Shoulder Shrubs Siddha Medicine Sieve Tube Sigmoid Colon – Explanation, Layers, Function and Problems Significance of DNA Significance of Genetics in the Process of Evolution Single Cell Protein Sinusitis Symptoms Sizes of Organisms Skeletal Muscle Skeleton Skin Cancer Skull Sleeping Sickness Sliding Filament Theory Small Intestine Smallpox Smooth Muscle Snail Skeletal System Snake Life Cycle Sodium Potassium Pump Soil Erosion Soil Profile Solanaceae, Fabaceae and Liliaceae: Family Plants Somatostatin Sorus Sound Production Sowing Speciation Speciation Evolution Factors Species Diversity Species Taxonomy Specificity of Enzymes Sperm Spermatogenesis Sphenoid Bone Sphincters – Location, Types, Examples and FAQs Spinal Cord Spinal Nerve Spinning of Cotton Yarn Spiracle Spirochete Spirogyra Spondylosis Spontaneous Generation Spore Stages of Gamete Development Stages of Meiosis Stakeholders Stapes – Location, Structure, Components, Functions and FAQs Staphylococcus Infection – Causes, Risk and Symptoms Stereoscopic Vision – The Mechanism of 3D Vision Stereoscopic Vision in Humans and Animals Sterilization Sternum – Anatomy, Functions, Structure and FAQs Steroid Steroid Hormone Stomach Stomata Stonewort Storage of Grains Strategies for Enhancement in Food Production Streptococcus – Classification, Habitats, Skin Infection and Diseases Streptomycin Stress Hormones Structural Organization in Animals Structuralism – Functionalism, Strength and Criticisms Structure Of Eye Structure and Function of Photoreceptors Structure and Functions of RNA Structure and Functions of Skin Structure and Organization of Muscle Structure of Nucleus Structure of Tongue Study of Plasmolysis in Epidermal Peels Study of Pollen Germination on a Slide Study of Tissues and Diversity in Shapes and Sizes of Plant and Animal Cells Subclavian Artery – Parts, Branches, Functions and FAQs Sucrase Sulfa – Drug Survival of the Fittest Sustainable Management of Natural Resources Sweat Glands – Structure, Types, Functions and Examples Swim Bladder Symbiosis Sympathetic Nervous System Symplast Symptoms and Signs of Diseases in Plants Symptoms and Types of Throat Cancer Symptoms of Liver Problems Symptoms of Menopause Symptoms of Typhoid Symptoms of Various Diseases Synapse Synesthesia – Causes, Symptoms, Treatment and Test Synovial Fluid Synovial Joints Systems Biology Systole Heart Function Systolic and Diastolic Blood Pressure T- Cells TCA Cycle Tadpole Taeniasis Tapeworm Lifecycle Taproot Taste Buds Taxon Taxonomic Hierarchy Taxonomical Aids Taxonomy Taxonomy of Biological Classification Tendon Tendril Termite Life Cycle Terrestrial Habitats Territorial Behaviour Test For Presence of Sugar in Urine Test for Starch Testis Testosterone Tetanus Tetany Thalamus Thalassemia Thallophyte Thallus The Difference Between an Animal That is a Regulator and One That is a Conformer The Living Organisms Characteristics and Habitats The Scientific Name of Human Beings The Uterus and the Development of the Placenta The Vertebrate System Theory of Evolution – Explanation, Types and FAQs Therapeutics Thoracic Cavity Thoracic Duct Thorax Throat Cancer Symptoms Thrombocytopenia Thumb Thylakoids – Structure, Functions, Role and Microbial Plants Thymus Thyroid Cancer Thyroid Diet Thyroid Gland Thyroid Problems Thyroid Symptoms Tibia – Bone Tick Life Cycle Tiger Snake Scientific Name Tissue Culture Tissues Tonsil Tools of Recombinant DNA Technology Tooth Anatomy Tooth Enamel Trachea Trachea and the Stem Bronchi Tracheids Traditional Chinese Medicine Traditional Methods of Irrigation Transcription Factor Transcription Genetics Transduction Microbiology Transfection Transferase Enzyme Transgenic Animals Translation Protein Synthesis Translation in Biology – Meaning, Stages, and FAQs Transpiration Transpiration Pull Transport of Mineral Nutrients Transport of Oxygen and Carbon Dioxide through Respiration Transportation in Animals and Plants Transposons Trichocyst Tropic Movements in Plants Tropical Diseases Tropism Truffle Tuberculosis Tumor Tundra Ecosystem Turgor Tympanic Membrane Tympanic Membrane Type IV Hypersensitivity Type of Protein and Its Functions Types of Animal Tissue Types of Bt Crops Types of Cancer Types of Crops in India Types of Environment Types of Joints Types of Microorganisms Types of Organisms Types of Photosystems Types of Pneumonia Types of Pollination Types of Pollution Types of Reflexes Types of Relationships Between Organisms Types of Selections in Scientific Evolution Theory Types of Soil Types of Vitamins – Sources and Their Functions Types of Waste Types of White Blood cells Types of fermentation Typhus Ulcer Umbilical Cord Unani Medicine Unicellular Organisms Unisexuality Uremia Ureter Urethra Uric Acid Symptoms Urinary Bladder Urine Urine Infection Symptoms Useful Microorganisms Uterus Uvea of the Human Eye Vaccination Vaccination and Immunisation Vaccine Vacuoles Vagina Vagus Nerve Variations Variety in Fabrics Variolation Vascular Supply and Circulation in Bone Vaucheria – Life Cycle, Features, Classification and FAQs Vector-Borne Diseases Vegetative Propagation Vein Veliger Ventricle Vermiculture Vertebral Column Vertebrates Vertebrates and Invertebrates Vertigo Vesicular Arbuscular Mycorrhiza (VAM) – Uses, Features and FAQs Vestibular System Vestigial Organs Veterinary Medicine Vibrio Villus Viral Fever Symptoms Virion Viroids Virology Virus Virus Definition Virus Viral Diseases Visceral Fat Vitamin A Vitamin A Deficiency Vitamin B Vitamin B12 Deficiency Symptoms Vitamin C Vitamin D Deficiency Symptoms Vitamin E Vitamins and Minerals Vitiligo Viviparous Oviparous Embryo Development Vocal Cords – Voice Generator, Signs for Damage and Position Vomiting Vorticella Vulva Wall of the Heart Waste Disposal Water Water – A Wonder Liquid Water Absorption of Soil Water Cycle Diagram Water For All Water Mold Water Net Water Pollution and its Control Water Soluble Vitamins Water Table Weed Crop Protection Weight Of Heart- Male And Female Health Conditions And Symptoms Well Labelled Diagram of Animal Cell Wernicke Area What Is Adaptation What Pollution in India What are Blood Vessels? What are the Functions of The Human Skeletal System What is Biology What is Cell Envelope? What is Ex-Situ and In-Situ Biodiversity Conversation? What is Haemophilia? What is Mouth Cancer? What is Muscular Dystrophy? What is Photosynthesis? What is Plasma in Blood? What is Polio? What is Pollination? What is Soil? What is Syphilis What is Syphilis? What is Tissue? What is Triple Fusion What is Vermicomposting? What is a Natural Ecosystem? What is the Cell Envelope? What is the Placebo Effect? Where do Microorganisms Live? Which Fungi is Used as Food? Why Arteries Have Thick Walls ? Why Do We Fall Ill? Why are living Organisms Classified? Why do we Respire? Why is DNA Negatively Charged? Why is Reproductive Health Necessary Wildlife Sanctuaries Wilt Wind, Storm and Cyclones Womens Health Wood – Plant Tissue Wound Xylem Yarn to Fabric Yeast Fungus Yellow Fever Yolk Yolk Sac – Development, Formation, Features and Functions Zoology Zygote interferons late blight of potato mRNA – Technology, Vaccine, Synthesis and FAQs pectoralis major seed germination
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