Answer:
Answers are:-
1. The question must be clear, concise, and have a single focus for research.
2. The question must be able to be answered using research from valid sources.
Explanation:
A research question is considered effective if it is valid, concise and clear. It should have a single focus. It cannot be ambiguous. We cannot answers a research question by either saying yes or no. Valid sources need to be researched to answer it. Only then, we can draw a proper conclusion to the same.
Thus, out of the given options first ans second statement are correct about a research question. Neither the question must not be related directly or indirectly to the topic as per third statement nor it should be simple as per fourth. The question must not have sub topics as per statement five, Thus, correct answers are statement one and two.
