GENERAL ZOOLOGY FOR ALL COMPETITIVE EXAMINATIONS
PART-VI
PART-VI
- Entamoeba gingivalis causes pyorrhoea.
- Entamoeba gingivalis is present in gums and teeth.
- Giardia intestinalis is called Grand Old man of intestine.
- Giardia causes Giardiasis.
- Trypanosoma gambiense causes African Sleeping Sickness
- Glossina palpalis is commonly called 'tse tse fly'.
- Phlebotomus papatasi is called 'sand fly'
- Spongilla is the fresh water sponge
- Cliona is commonly called 'boring sponge'.
- Scypha is called 'crown/urn sponge'.
- Choanocytes are the cells found exclusively in sponges.
- Nervous system is absent in sponges.
- Nervous system for the first time has made its appearance in coelenterates.
- Poison present in coelenterates is called 'hypnotoxin'
- Reserve food material in sponges is stored in thesocytes.
- Choanocytes are called collar cells.
- Halichondria is called 'bread sponge'.
- Nematocysts are the stinging cells present in coelenterates.
- Coelenterates are called 'stinging animalcules'
- Protozoans are called 'wretched animalcules'
- Paramecium is called 'slipper animalcule'
- Euglena is called 'eye animalcule'
- Most primitive protozoan is euglena.
- Reserve food material present in euglena is paramylum.
- Eye spot or stigma is present in euglena.
- Locomotory organelle in euglena is flagellum
- Ciliates are the fastest protozoans
- Infraciliary system is present in ciliates.
- Conjugation is the sexual reproduction found in paramecium.
- If the motorium of paramecium is removed, it can not move.
- Ciliates normally exhibit nuclear dimorphism.
- Paramecium contains two contractile vacuoles at anterior and posterior sides.
- Posterior contractile vacuole in Paramecium functions more vigorously than anterior one as it is nearer to cytopharynx.
- Paramecium is a ciliary feeder.
- Trypanosoma gambiense is present in cerebrospinal fluid.
- Vorticella is called 'bell animalcule'
- Animalcules can not be seen with the naked eye.
- The Great Australian Barrier Reef is the biggest coral reef.
- Lichens are the indicators of air pollution.
- Corals are the indicators of water pollution.
- Vorticella is the sedentary ciliate.
- Corals are made up of calcium carbonate.
- Corals are the exoskeletal structures of coelenterates.
- Pearls are the exoskeletal structures of molluscs
- The term Annelida was coined by Lamarck.
- The term Mollusca was coined by Aristotle
- The term Arthropoda was coined by Vonsiebold.
- Limulus is also called king crab or horse shoe crab.
- Fasciola hepatica is called 'liver fluke'
- Schistosoma haematobium is called blood fluke
- Longest tape worm is Dibothrio cephalus latus
- Dibothrio cephalus latus is called fish tapeworm
- Anterior part of Taenia solium is called scolex
- Taenia solium is called 'armed tapeworm' as it contains hooks.
- Taenia saginata is called 'unarmed tapeworm' as it does not contain hooks.
- Taenia solium infection is not seen in Islamic and Jewish countries as pork eating is a taboo there.
- Ascaris lumbricoides is called round worm.
- Rhabditiform larva is seen in Ascaris lumbricoides.
- Ascaris lumbricoides is a monogenetic parasite.
- Entamoeba histolytica is a monogenetic parasite.
- Monogenetic parasite completes its life cycle in a single host.
- Digenetic parasite completes its life cycle in two hosts.
- The host in which the sexual life cycle of the parasite takes place is called primary host.
- The host in which the asexual life cycle of the parasite takes place is called secondary host.
- Pathogen is one that causes suffering in human being.
- Ancylostoma duodenale is called 'hook worm'
- Loa loa is called 'African eye worm'
- Calabar eye swelling is caused by Loa loa
- Dracunculus mediensis is called Guinea worm
- Filariasis is spread through the bite of female Culex.
- Sexual dimorphism for the first time found in Nematodes.
- Nematodes are pseudocoelomates
- Platyhelminthes are acoelomates.
- In Platyhelminthes worms the body cavity is filled up with paranchyma or mesenchyma
- Coelom lined with mesoderm is called true coelom.
- Coelom formed through splitting up of mesoderm is called schizocoel.
- True metamerism is found in annelids
- Pseudo metamerism is found in Platyhelminthes.
- In true metamerism, new segments arise from the anal region.
- In pseudo metamerism, new segments arise from neck region.
- Aphrodite is called 'sea mouse'.
- Hirudinaria granulosa is called 'Indian cattle leech'.
- Sebella is called 'peacock worm'.
- Chaetopterus is called 'paddle worm'.
- Eunice is called 'polalo worm'.
- Scientific name of head louse is 'Pediculus humanus capitus'
- Xenopsylla is rat flea
- Scientific name of lac insect is Laccifera lacca or Tachardia lacca
- Honey bees and ants are social insects
- Honey bees communicate through dance.
- Bee dance language was decoded by Von Frisch
- Scientific name of bed bug is 'Cimex lactularis'
- Pinctada vulgaris is called pearl oyster
- Solen is commonly called 'razor shell'.
- Radula is the rasping organ found in Pila or snail.
- Holothuroidians are called sea cucumbers
- Heart urchin is scientifically called Echinocardium
- Balanoglossus is called 'tongue worm'.
- Muscle phosphogen present in chordates is creatine phosphate
- Muscle phosphogen present in invertebrates is creatine arginase.
- Creatine phosphate is responsible for rejuvenating ATP.
- Herdmania exhibits retrogressive metamorphosis.
- Herdmania is commonly called sea squirt.
- Amphioxus is commonly called lancelet.
- Urochordata includes the animals in which notochord is confined only to tail region.
- Cephalochordata includes animals in which notochord is extended even into the head.
- Trigon is called sting ray.
- Biggest RBC in Animal Kingdom is found in Amphiuma
- Amphiuma is commonly called Congo eel.
- Poisonous frog is Phyllobates.
- Alytes is called 'midwife toad'. Pipa americana is commonly called 'Surinum toad'.
- North America is called 'Head quarters of Urodeles'
- Heloderma is the only poisonous lizard in the world.
- Phrynosoma is the lizard that squirts blood from eye when agitated.
- Draco is flying lizard
- Pteropus is called flying fox
- Eryx jhoni is called 'double headed snake'.
- Dryophis is called whip snake or wine snake.
- Animals that lay eggs are called oviparous
- Animals that give birth to young ones are called viviparous.
- Wuchereria bancrofti is ovoviviparous
- Prototherians are the egg laying mammals.
- Presence of four optic lobes in mammals is called corpora quadrigemina
- Presence of four optic lobes in birds is called corpora bigemina
- Tropidonatus is a fresh water snake
- All fresh water snakes are non poisonous.
- Ptyas is called rat snake as it extensively feeds on rats.
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