The seventeenth edition of this popular textbook has been expanded and thoroughly revised to include: a substantial new introduction; extensively rewritten chapters on plant physiology to incorporate recent research in biochemistry; the introduction of concepts like structural and functonal aspects of the ecosystem; additional teaching and learning aids including new illustrations and diagrams This edition will be invaluable for students of Intermediate, Pre-Medical, Higher Secondary, Pre-University and All India School Certificate courses.

Revised by: T. C. Dutta