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- Evolution
Evolution is a slow, continuous and irreversible process…...
Science [12], Zoology,
Central Board of Secondary Education
 2/26/2011
Tags:
J.B.S. Haldane, British Scientist, Inorganic Molecules, Harold C. Urey, Astronomer, Stanley L. Miller, Amino Acids, Alanine, Glycine, Aspartic Acid, Evidences of Evolution, Ancestor, Wing of Insects, Analogous Organs, Biogenetic Law, Ancestral History, Archaeopteryx, Theories of Evolution, Jean Baptiste Lamarck, Philosophies Zoologique, August Weismann, Charles Robert Darwin, Theory of Natural Selection, Darwinism, Synthetic Theory of Evolution, Genetic Drift, Micro Evolution, Speciation, Artificial Selection, Homo Sapien
- Reproduction, Reproduction in Human Beings & Reproductive Health
Reproduction is creation of new individuals belonging to the same species…...
Science [12], Zoology,
Central Board of Secondary Education
2/26/2011
Tags:
Process of Budding, Sexual Reproduction, Human Reproductive System, Male Reproductive System, Germ Cells, Spermatozoa, Testes, Abdominal Cavity, Vas Deferens, Seminal Vesicle, Prostate Gland, Female Reproductive System, Oestrogen, Ovary, Ovulation, Uterus, Vagina, Fertilization, Sexual Intercourse, Fallopian Tube, Zygote, Reproductive Health, Sexually Transmitted Disease, Gonorrhoea, Syphilis, Warts, Hiv-aids, Contraceptive Methods, Mechanical Barrier, Hormonal Methods, Intra Uterine Devices, Medical Termination of Pregnancy
- Human Diseases & Animal Husbandry
The term disease means dis ease or without ease or discomfort…...
Science [12], Zoology,
Central Board of Secondary Education
2/26/2011
Tags:
World Health Organization, Human Disease, Communicable Disease, Plasmodium, Influenza, Myxovirus Influenzae, Jaundice, Hepatitis, Hepatitis Virus, Rabies, Hydrophobia, AIDS, HIV Virus, Cholera, Vibrio Cholerae, Typhoid, Salmonella Typhi, TAB Vaccination, Marasmus, Anemia, Goitre, Milch Breeds, Red Sindhi, Sahiwal, Jersey, Holstein Friesian, Brown Swiss, National Dairy Research Institute Karnal, Karan Swiss, Karan Fries, Frieswal, Murrah, Mehsana, Surti, Anthrex, Poultry, Catla, Rohu, Mrigal, Infectious Pancreatic Necrosis, Viral Haemorrhagic Septicemia, Water Pollution, Nellore, Mandya, Alpine, Toggenberg, Sannen, Bacterial Disease, Viral Disease
- Frogs Excretory System and Frogs Respiratory System
The main organ of excretion is a pair of kidneys...
Science [12], Zoology,
Central Board of Secondary Education
3/2/2010
Tags:
Frogs Excretory System, Frogs Respiratory System, Organ of Excretion, Kidneys, Body Cavity, Vertebral Column, Ureotelic Animal, Uriniferous Tubules, Nephrons, Cloaca, Urinary Bladder, Amphibians, Buccopharygeal Lining, Skin, Gills, Lungs, Respiration By Skin, Cutaneous, Pulmonary, Birdsand Mammals, Kidney of Frog
- Frogs Eye and Frogs Ear
Eye is guarded by immovable upper eyelid, movable lower eyelid and transparent nictitating membrane...
Science [12], Zoology,
Central Board of Secondary Education
3/2/2010
Tags:
Frogs Eye, Frogs Ear, Frogs Eyelid, Vertical Section Of Frogs Eye, Cartilagenous, Cornea, Pigmented Layer, Choroid, Retina, Receptor Layer, Rhodopsin, Iodopsin, Eye Ball, Retractor Bulbi, Levator Bulbi, Tympanic Membrane, Columella Auris, Eustachian Tube, Membranous Labyrinth, Utriculus, Sacculus, Semicircular Canals, Endolymph, Membranous Labyrinth
- Reproductive System of Frog
A pair of ovaries, situated near kidneys, comprises the female reproductive organs...
Science [12], Zoology,
Central Board of Secondary Education
3/2/2010
Tags:
Reproductive System of Frog, Male Reproductive Organs, Kidney, Peritoneum, Mesorchium, Vasa Efferentia, Bidders Canal, Urinogenital Duct, Cloaca, Diagram of Female Reproductive Organs of Frog, Ovaries, Female Reproductive Organs, Oviduct, Ovum In Female, Spawning
- Respiratory System of Frogs
Three types of respiration: cutaneous, buccopharyngeal and pulmonary...
Science [12], Zoology,
Central Board of Secondary Education
2/23/2010
Tags:
Respiratory System of Frogs, Types of Respiration, Cutaneous, Buccopharyngeal, Pulmonary, Cutaneous Respiration, Hibernation, Aestivation, Buccopharyngeal Respiration, Buccal Cavity, Mucus Mebrane, Blood Capillaries, Pulmonary Respiration, Respiratory Movements, Pulmonary Respiration, Buccopharyngeal Cavity, Pterohyal Muscles, Laryngo Tracheal Chamber, Cricoid, Prearytenoids
- Frogs Circulatory System and Frogs Nervous System
Circulatory system is closed type and represents single circulation...
Science [12], Zoology,
Central Board of Secondary Education
2/23/2010
Tags:
Frogs Circulatory System, Frogs Nervous System, Circulatory System of Frogs, Pericardium, Three Chambered Structure, Sinus Venosus, Truncus Arteriosus, Renal Portal System, Hepatic Portal Systems, Internal Structure of Heart of Frog, Central Nervous System, Cranial Nerves, Occipital Condyles, Spinal Cord, Jacobson Organs, Vomero Nasal Organs, Nasal Chamber, Olfactory Organs
- Frogs Internal Morphology
Since the frogs are carnivorous, their alimentary canal is short in length...
Science [12], Zoology,
Central Board of Secondary Education
2/22/2010
Tags:
Frogs Internal Morphology, Carnivorous, Alimentary Canal, Tadpole Larva, Bucco Pharyngeal Cavity, Maxillary Teeth, Vomerine Teeth, Salivary Glands, Eustachian Tube, Vocal Sac, Glottis, Muscular Tongue, Bilobed, Oesophagus, Duodenum, Liver, Pancreas, Alimentary Canal Of Frog, Digestive Glands Of Frog
- Frog - Rana Tigrina
The most common frog found in India is the Indian bullfrog...
Science [12], Zoology,
Central Board of Secondary Education
2/21/2010
Tags:
Frog, Rana Tigrina, Classification of Frog, Chordata Phylum, Amphibia, Aruna, Genus Rana, Tigrina Species, Bullfrog, Aestivation, Hibernation, Common Toad, Craniata, Gnathostomata, Indian Bull Frog, Bufo Melanostictus, Number Of Bones
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