12. Which one of the following is not an insect: A.Bed bug B.House fly C.Mosquitoes D.Spider
Answer: Option D Solution: Spiders are arachnids. So are scorpions, mites, and ticks. Arachnids are classified primarily by having eight legs and two distinct body regions, the cephalothorax (which is a fusion of the head and thorax), and the abdomen.
