You should tell every detail about yourself. If you ignore any detail for any reason, it is impossible for the sorter to understand why you do not give the information. And it is easy to judge, it is your recklessness. For this reason, filling all information is a simply thing which should not be neglected. These are also important things which HR would like to know. You should specify both fields clearly. Do not fill whatever or any matched job because it will show your hesitation. You would be the one to define what you want to do wouldn't you? It would be the only chance you could choose because when you are recruited, the company will assign what you will do.

Specifying field of study, name of institute, graduated year and work experience are relating and important for screening applications. The more you give information, the more they know your background. If your background is matched with the job, you would not be overlooked from the company.
is a little important thing to complete your resume. Currently, there are many applications using photo from mobile phone or informal action. These would suite for some jobs such as pretty or PR but in general, straight face photo without wearing eye-glasses and hat is still important. One photo tells thousand words, so selecting appropriate photo for job applying is also very important.
It is very important to give information in this field especially for new graduates and no work experience candidates. In this part, you could explain about yourself through the activities. If your activities or interests is related or supported with the job, you would be considered as a prior. For example, if you apply for a PR and your activities are update news, party with friends, shopping and dressing, you would be attracting to the HR.