The main objective of Man And Biosphere programme is

• A. Conserve representative samples of ecosystem
• B. Provide opportunities for education and training
• C. Provide appropriate sustainable managements of living resources
• D. All of the above

The Man and Biosphere (MAB) programme aims to promote a balanced relationship between humans and the environment. Its main objectives encompass various aspects of conservation and sustainable development.

Key Objectives of the MAB Programme

• Conservation of Ecosystems: The programme focuses on conserving representative samples of ecosystems to maintain biodiversity.
• Education and Training: It provides opportunities for education and training to raise awareness about environmental issues.
• Sustainable Management: The initiative encourages sustainable management of living resources to ensure their availability for future generations.

Given these points, the correct answer is D. All of the above, as the MAB programme integrates all these objectives to achieve its goals effectively.