OU B.Sc Life Sciences 2021 Important Question Bank || Osmania University (Important Questions)
B Sc Zoology III Semester Question Bank
Animal diversity Vertibrates and Developmental Biology
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UNIT -1
- Urochordata, Cephalochordata, Cyclostomata
- Salient features of Urochordata
- Retrogressive metamorphosis and its significance in Urochordata
- Salient features and affinities of Cephalochordata
- General characters of Cyclostomata
- Comparison of the Petromyzon and Myxine
- General characters and classification of Chordata upto orders with examples.
- General characters of Fishes
- Classification of fishes up to order level with examples
- Scoliodon - Respiratory, Circulatory and Nervous system.
- Types of Scales and types of Fins
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UNIT - II
- General characters of Amphibians & Classification of Amphibians up to orders with examples.
- Rana tigrina - Respiratory, Circulatory and Nervous system.
- Parental care in amphibian
- Neoteny and paedogenesis
- General characters of Reptilia & Classification of Reptilia up to orders with examples
- Calotes — Respiratory system, Circulatory and Nervous system
- Temporal fosse in reptiles and its evolutionary importance
- Distinguished characters of Poisonous and Non poisonous snakes.
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UNIT - III
- Aves General characters of Aves & Classification of Aves up to orders with examples.
- Columba livia -, Digestive system, Circulatory systems, Respiratory system and Nervous system.
- Migration in Birds
- Flight adaptation in Birds
- General characters of Mammalia& Classification of Mammalia up to orders with examples
- Rabbit —Digestive, Respiratory, Circulatory and Nervous system.
- Dentition in mammals
- Aquatic adaptations in Mammals.
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UNIT - IV
- Gametogenesis (Spermatogenesis and Oogenesis)
- Fertilization
- Types of eggs
- Types of cleavages
- Development of Frog up to formation of primary germ layers
- Formation of Foetal membrane in chick embryo and their functions
- Types and functions of Placenta in mammals
- Regeneration in Turbellaria and Lizards
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