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  1. NeVeZ16 June 2019 at 06:46

    R.L kotpal For vertebrate Zoology.
    Its link taking nowhere.. could you re-link it?

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Question 29 august zoology

Q:-1. Discuss the various methods to study animal behaviour. Explain the role of Maze in the study of behaviour of mouse. (20) Q:-2. Differentiate between crypsis and mimicry. Discuss its evolutionary significance. (20) Q:-3 What is protein sorting? Discuss its significance and various ways in which proteins are sorted. (20) Q:-4 Describe the structure of lysosomes. (10)
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Questions for 23 August Zoology

Q:-1 Describe blastogenesis. Discuss the role of morphogens to establish the body axis in Drosophila . (20) Q:-2 Compare the life cycle of Obelia and Aurelia . Describe alteration of generation in them. Q:-3 Discuss the parasitic adaptations of F.hepatica and T. Solium . (10)
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CANAL SYSTEM IN Porifera

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Canal system in Porifera (sponges) Body of all sponges is the perforated by large number of apertures through which water enters Inside body and flows through a system of criss-crossing canals collectively forming the canal system which is a characteristic feature of poriferans. Following types of canal systems are found in sponges: Ascon type, with flagellated spongocoel Sycon type, with flagellated radial canals Leucon type, with flagellated chambers Rhagon type, with conical shape and broad base ASCON TYPE This is the simplest type of canal system and is found in  Leucosolenia  and other homocoela. Ostia are present on the surface of body and lead directly into the spongocoel, which is lined by flagellated choanocyte cells. Spongocoel opens to the outside through a narrow circular opening, the  osculum  located at the distal free end of the sponge body. Water enters through ostia into spongocoel and goes out of body through the  osculum . SYCO...
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Evolution Book By Futuyma, D. J.

An overview of evolutionary biology, concept of organic evolution during pre- and post- Darwin era; evolution and molecular biology- a new synthesis; from molecules to life, life originated from RNA, introns as ancient component of genes. Get the Latest concepts and development in field of evolution.             Click here to Download                                               Download
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