Problem: What can be a power source, an organized group of artillery pieces, and contact with another in a manner likely to cause bodily harm?
Answer: battery

Problem: What is the word for an asexual form of reproduction found in females where growth and development of embryos occurs without fertilisation by a male?
Answer: parthenogenesis

Problem: What was the name of the Liverpool club where the Beatles played in the early 1960s?
Answer: cavern

Problem: Sororal relates to, or is like, which member of the family?
Answer:
sister