Question: Two groups of students learned about protozoa for a school project. Group P studied more about predatory protozoa, while group G studied about grazing and parasitic protozoa, plus portozoa as food sources. Which group learned less about protozoa that graze on algae?
Answer: Group P

Question: Michael and David are two bodybuilders currently getting ready for a competition. A key part of a bodybuilding competition is having darker skin so your muscles will stand out more. To achieve this look, Michael decides to use a tanning bed for several weeks just before the competition. David, on the other hand, decides to avoid tanning beds entirely and rubs lotion on his skin to achieve the same look instead. Who will have a higher risk of developing skin cancer, Michael or David?
Answer: Michael

Question: Two colleagues gave blood for an emergency. Ned got infected with HIV because they re-used a needle. His friend Nate was not infected. Which colleague didn't have a virus that is transmitted by sexual contact?
Answer:
Nate