Q: What fluid has groups called A, B, AB and O?
What is the answer?

A: blood

Q: What may be described as a 'sweet-smelling, spring flowering plant, with yellow. orange, and dark red flowers?
What is the answer?

A: wallflower

Q: What is the first name of the diplomat after whom Downing Street is named?
What is the answer?

A: sir george

Q: What is the chemical formula for methane?
What is the answer?

A:
ch4