Among RNA and DNA which molecule is double stranded? Single stranded?

Answer: RNA - single stranded

DNA - double stranded

Explanation:

RNA or ribonucleic acid is a single stranded molecule. It is a genetic material in living beings. It performs many functions such as expression of genes for a particular function, coding, decoding, and cell metabolism regulation. It is necessary for synthesis of proteins.

DNA is deoxyribose nucleic acid. It is a double stranded molecule. It is also a form of genetic material. It consists of genetic material which is necessary for development, growth, reproduction and orderly functioning of the organism.