Preparing for the General Science section of the NDA exam requires a strategic approach and a thorough understanding of the syllabus. Here are some effective ways to prepare for this section:

1. Understand the Syllabus:
- Familiarize yourself with the NDA exam syllabus and specifically the General Science section.
- Identify the topics that are included in this section, such as Physics, Chemistry, Biology, and Environmental Science.

2. Study Material:
- Gather relevant study material, including textbooks, reference books, and study guides.
- Ensure that the study material covers all the topics mentioned in the syllabus.

3. Create a Study Plan:
- Devise a study plan that allows you to allocate sufficient time to each topic.
- Break down the syllabus into smaller sections and assign specific time slots for studying each section.
- Make sure to include regular revision sessions in your study plan.

4. Understand Basic Concepts:
- Start by understanding the basic concepts of each topic.
- Focus on building a strong foundation in Physics, Chemistry, and Biology.
- Utilize resources like EduRev to access video lectures and study notes for a better understanding of the concepts.

5. Practice Questions:
- Solve previous years' question papers and sample papers to get an idea of the exam pattern and question types.
- Practice solving a variety of questions related to each topic to improve your problem-solving skills.
- Use online platforms like EduRev that offer a wide range of practice questions and mock tests specifically designed for the NDA exam.

6. Make Use of Visual Aids:
- Utilize diagrams, charts, and illustrations to understand complex scientific concepts.
- Visual aids can help in better retention and understanding of the subject matter.

7. Revision:
- Regularly revise the topics you have studied to reinforce your learning.
- Create concise notes or flashcards for quick revision before the exam.
- Focus on understanding the interconnections between different topics to have a holistic understanding of General Science.

8. Time Management:
- Allocate a specific amount of time to each question during the exam to ensure that you can attempt all questions within the given time limit.
- Practice solving questions within a time constraint to improve your speed and accuracy.

Remember, consistent and dedicated effort is key to effectively preparing for the General Science section of the NDA exam. By following these strategies and utilizing appropriate study resources, you can enhance your chances of performing well in this section.