Biology 11th
BIOLOGY
(ZOOLOGY) Standard XI
Untouchability is a sin Untouchability is a crime Untouchability is inhuman
TAMIL NADU TEXTBOOK CORPORATION
College Road, Chennai - 600 006.
© Government of Tamilnadu First Edition - 2005
Chairperson Prof. T. SARGUNAM STEPHEN Dept. of Zoology Govt Arts College Nandanam, Chennai - 600 035.
Reviewers Dr. D. Mony Reader in Zoology R. M. Vivekananda College Mylapore Chennai - 600 004. Dr. D. Sudarsanam Reader and H O D Dept. of Zoology Loyola College, Nungambakkam Chennai - 600 034.
Authors Tmt. V. M. Gayathri Rani P. G. T. in Zoology Govt. Girls Higher Sec. School Ashok Nagar Chennai - 600 0083.
Price : Rs. This book has been prepared by The Directorate of School Education on behalf of the Government of Tamilnadu. This book has been printed on 60 GSM Paper.
Thiru. T. Sekar P. G. T. in Zoology Govt. Girls Higher Sec. School Choolaimedu Chennai - 600 0094.
Preface
This book has been prepared with an idea that on completion of the course, the student can opt for any field related to the Biological Sciences in his / her higher studies. A foundation for learning various subjects had already been provided in the lower classes through appropriate revisions in the syllabus. The revision of syllabus made, has provided us with an opportunity to offer adequate information related to several fields in biology to the students of Higher Secondary classes. The 11th and 12th standard lessons are interlinked. A sound knowledge of the material provided in this book will be essential for pursuing the next level. The lessons are written in such a way that the student is encouraged to do further reference work. A list of books for such reference work is provided. The students can also visit websites related to each lesson. Sample questions are provided at the end of each unit. The teachers can frame more questions to test knowledge, understanding, application and extension of this discipline. As the scope of life sciences is
(ZOOLOGY) Standard XI
Untouchability is a sin Untouchability is a crime Untouchability is inhuman
TAMIL NADU TEXTBOOK CORPORATION
College Road, Chennai - 600 006.
© Government of Tamilnadu First Edition - 2005
Chairperson Prof. T. SARGUNAM STEPHEN Dept. of Zoology Govt Arts College Nandanam, Chennai - 600 035.
Reviewers Dr. D. Mony Reader in Zoology R. M. Vivekananda College Mylapore Chennai - 600 004. Dr. D. Sudarsanam Reader and H O D Dept. of Zoology Loyola College, Nungambakkam Chennai - 600 034.
Authors Tmt. V. M. Gayathri Rani P. G. T. in Zoology Govt. Girls Higher Sec. School Ashok Nagar Chennai - 600 0083.
Price : Rs. This book has been prepared by The Directorate of School Education on behalf of the Government of Tamilnadu. This book has been printed on 60 GSM Paper.
Thiru. T. Sekar P. G. T. in Zoology Govt. Girls Higher Sec. School Choolaimedu Chennai - 600 0094.
Preface
This book has been prepared with an idea that on completion of the course, the student can opt for any field related to the Biological Sciences in his / her higher studies. A foundation for learning various subjects had already been provided in the lower classes through appropriate revisions in the syllabus. The revision of syllabus made, has provided us with an opportunity to offer adequate information related to several fields in biology to the students of Higher Secondary classes. The 11th and 12th standard lessons are interlinked. A sound knowledge of the material provided in this book will be essential for pursuing the next level. The lessons are written in such a way that the student is encouraged to do further reference work. A list of books for such reference work is provided. The students can also visit websites related to each lesson. Sample questions are provided at the end of each unit. The teachers can frame more questions to test knowledge, understanding, application and extension of this discipline. As the scope of life sciences is