Theme: filling an application form

Why are you the most suitable person for this job?

Answering this question requires you to explain to the employer why you believe you're the best candidate for the job. Ensure you answer honestly, confidently and concisely. Discuss your relevant skills and how they make you a suitable fit for the position. Revisiting the job requirements and aligning your answers to them is also helpful, as it customizes your suitability to the company's specific needs.

Why do you want this job?

Employers ask this question to understand your career-related goals and aspirations and how the opportunity fits into them. Discuss your career goals and explain how working in the role can help you achieve them. In addition, showcase your research skills by demonstrating you understand the company.
Read more: How To Answer "Why Do You Want This Job?"

What is your greatest strength?

When answering this question, identify strengths relevant to the application while describing instances of how you demonstrated those strengths. Ensure these instances involve your professional experiences rather than personal experiences. You can also explain how these strengths can help you excel in the new role if hired.
Read more: How To Answer "What is Your Greatest Strength?" (With Examples)

What is your greatest weakness?

This question requires you to discuss your professional weaknesses truthfully. Answer the question honestly, then explain that you're taking steps to remedy the weakness. It is essential to clarify that your weaknesses are unable to hinder the performance of your responsibilities.
Related: List of Weaknesses: 8 Things to Say in an Interview

Why did you leave your previous role, or why are you leaving your present role?

When answering, provide honest responses and accept responsibility regardless of the circumstances. For example, you can explain that you left the role because it no longer offered career growth if you quit the position. In contrast, if your previous employer dismissed you, explain how you learned from the incident. Likewise, you can explain that the previous role has helped you achieve what you set out to accomplish with it, and it's time to take the next step.