Eating a healthy breakfast before an exam is important to provide you with the energy and nutrients you need to help you focus and stay in good shape. Here are some suggested breakfast choices:

High-fiber foods: Choosing foods that are high in fiber can make you feel fuller longer and help stabilize blood sugar levels. For example, whole wheat bread, oatmeal, and whole grains are good choices.

Protein sources: Protein helps provide energy and enhance concentration. You can choose to eat protein-rich foods such as eggs, beans, nuts and yogurt. Try making a protein-rich breakfast cup egg or yogurt cup.

Fruits and Vegetables: Fruits and vegetables are rich in vitamins and minerals that help boost immunity and brain function. Try eating fresh fruits such as bananas, apples, and blueberries, or add some vegetables such as spinach, tomatoes, and carrots to your breakfast.

Balanced diet: make sure your breakfast includes a variety of foods to get a variety of nutrients. Try to avoid eating too many fried foods, sugary foods or processed foods, which can cause energy spikes and crashes that can affect concentration and focus.

Hydrate: adequate hydration is essential for proper brain function. Waking up in the morning with a glass of warm water or a glass of freshly squeezed juice will replenish your body's hydration needs.

Personal preference: In addition to the suggestions mentioned above, according to your own preferences and tastes, you can choose other healthy breakfast foods, such as whole-wheat bread sandwiched with ham, yogurt with nuts, and whole grains with milk.

Most importantly, don't skip breakfast. Organize your time wisely and make sure you have enough time to enjoy a nutritious breakfast, which will make you perform better in your exams. Remember to go to bed early and get up early, maintaining a good quality of sleep also has a big impact on your exam status. Good luck for your exams!