Understanding the question:
Before attempting to answer a question on plant anatomy and morphology, it is important to carefully read and understand the question. Identify the key terms and concepts mentioned in the question and ensure a clear understanding of what is being asked.

Review the syllabus:
Refer to the syllabus for the UPSC Botany Optional Subject to identify the specific topics related to plant anatomy and morphology that are likely to be covered in the exam. This will help in focusing the preparation and understanding the depth of knowledge required for answering such questions.

Revision of concepts:
Revise the fundamental concepts of plant anatomy and morphology, including the structure and function of different plant tissues, organs, and their adaptations. Pay special attention to the terminology and definitions associated with these concepts.

Use diagrams:
Plant anatomy and morphology often involve complex structures and processes that can be better understood through visual representation. Use diagrams and labeled sketches to explain the structures and processes whenever possible. This will not only enhance the clarity of your answer but also demonstrate your understanding of the topic.

Include examples:
To illustrate your understanding of plant anatomy and morphology, provide relevant examples from the plant kingdom. Use examples of different plant species to highlight variations in anatomical structures and morphological adaptations. This shows a broader understanding of the subject and makes the answer more comprehensive.

Link theory with practical applications:
Plant anatomy and morphology are not just theoretical concepts but have practical applications in various fields such as plant breeding, agriculture, and horticulture. Whenever possible, link the theoretical concepts with their practical implications to demonstrate a holistic understanding of the subject.

Refer to previous year question papers:
Go through previous year question papers to get an idea of the type of questions asked in the exam. This will help in identifying recurring topics and understanding the pattern of questions related to plant anatomy and morphology.

Practice writing answers:
Regularly practice writing answers to questions on plant anatomy and morphology to improve your writing skills and time management. Pay attention to the structure and organization of your answers, ensuring a logical flow of information.

Stay updated:
Keep yourself updated with the latest developments and research in the field of plant anatomy and morphology. This can be done by reading scientific journals, attending conferences, and following reputable websites and publications.

Remember, the key to answering questions related to plant anatomy and morphology in Paper II of UPSC Botany Optional Subject is a clear understanding of the concepts, effective communication through diagrams and examples, and staying updated with the latest developments in the field.