UI/UX wireframe for a quiz/exercise screen in an educational app. **Layout:** A single, focused view to minimize distractions. **Components:** - Top Bar: - Question progress indicator (e.g., "Question 5/20"). - A visual progress bar. - A countdown timer on the right. - Main Content: - The question text area, clearly displayed. - For a multiple-choice question: A list of 4 options, each with a radio button (A, B, C, D). - For a fill-in-the-blank question: A text input field. - Bottom Section: - A prominent "Submit Answer" button. - A "Skip Question" button (optional, less prominent). - After submitting, an explanation box should appear below the options, showing the correct answer and a detailed explanation. **Style:** Minimalist, clean, and highly functional. Focus on readability and clarity. The color green should be used for correct answers and red for incorrect ones.