Problem: Scientists announced in 2012 that more than 1,000 of what creatures (formica lugubris) had been fitted with tiny radio transmitters to study the species?
Answer: ants

Problem: Among mammals, what species has the highest total biomass. (The sum of the weight of the entire population of the species)
Answer: cattle

Problem: Which French king was known as 'The Sun King'?
Answer: louis xiv

Problem: Which BBC radio programme introduces a castaway every week?
Answer:
desert island discs