Here are the answers to your questions:
Question 1: What does investing primarily aim to do?
Answer: Make a profit
Question 2: Which of these is NOT a major type of investment?
Answer: Credit cards
Question 3: What is a portfolio?
Answer: A collection of investments
Question 4: What is diversification in investing?
Answer: Spreading investments across various instruments
Question 5: Which investment type involves loaning money to a company or government?
Answer: Bonds