Which exams are there to study UG courses in the USA? 

There are several exams that international students can take to study undergraduate (UG) courses in the USA. The most commonly recognised exams are:

• SAT (Scholastic Assessment Test): This is a standardised test that measures a student's readiness for college-level work. It is widely accepted by most colleges and universities in the USA.
• ACT (American College Test): This is another standardized test that measures a student's readiness for college-level work. It is also widely accepted by most colleges and universities in the USA.
• TOEFL (Test of English as a Foreign Language): This is an English proficiency exam that measures a student's ability to communicate effectively in English. It is required for international students whose native language is not English.
• IELTS (International English Language Testing System): This is another English proficiency exam that measures a student's ability to communicate effectively in English. It is also required for international students whose native language is not English.
• AP (Advanced Placement): These are college-level courses taken in high school. If a student scores well on the corresponding AP exam, they can earn college credit for the course.
• IB (International Baccalaureate): This is a rigorous program of study that prepares students for college-level work. If a student scores well on the corresponding IB exam, they can earn college credit for the course.

Note that the specific exams required for admission may vary depending on the college or university. It's important to check the admission requirements of each school you're interested in to make sure you're taking the right exams.