Which of the following is a perennial herbaceous plant in the nightshade family Solanaceae that is used in alternative medicine as an aid in treating arthritis pain, colds or hay fever?

Correct option is D

The correct answer is (d) Atropa belladonna
Atropa belladonna, commonly known as belladonna or deadly nightshade, is a perennial herbaceous plant in the nightshade family, Solanaceae. It has a long history of use in alternative medicine. Belladonna is used for various treatments, including as an aid in treating arthritis pain, colds, and hay fever. However, it is important to note that belladonna is highly toxic and should be used with extreme caution and under professional guidance due to its potentially dangerous side effects.