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Welcome to the eGyanKosh resource page dedicated to Exercise 7 on Mollusca: Observation and Classification of Specimens. This comprehensive study material is designed for students enrolled in IGNOU’s 2025 curriculum, offering an in-depth exploration of the diverse world of mollusks. Here, you will find essential resources and detailed insights to enhance your understanding of these fascinating organisms, from their anatomical structures to their ecological significance. Whether you’re preparing for exams or seeking to enrich your knowledge, this free download equips you with the tools to excel in your studies of mollusca. Dive in and discover the intricacies of classification and observation that characterize this vital group in the animal kingdom!