The correct options are
B He can challenge the scientific community about ethical experiments.
C He can advice the country on technological advancement.
D He can use his rights to fight for a cause.
A knowledge of political science creates awareness about rights of other citizens. It helps scientists to understand the impact of their work on politics of the country. Scientists can also challenge their colleagues if they are indulging in unethical experiments that violate rights of citizens. However, political ideology cannot help in conducting experiments.