The sugar found in RNA is: (A) Ribose, (B) Deoxyribose, (C) Ribulose, (D) Erythrose
Answer is A. Ribose is a constituent of RNA. Ribose is also seen in co-enzymes such as ATP and NAD. Deoxyribose is seen in DNA.
Reference: Vasudevan 7th  ed, pg 76