Biology
3 questions
Biology: how to plan observations and control variables?
On the topic of "Biology," start with defining terms and the scope of the question. In science, half of the answer is asking the right question.
Biology: how to work with microscopes and cell cultures?
Practice for "Biology": look for review articles and meta-analyses — they provide a better picture of evidence than single studies.
Biology: how to present results and share datasets?
Answer for "Biology": distinguish hypotheses from proven results and look at methods (sampling, control, statistics).