"Molotov cocktail" is

   A. Time-bound bomb
   B. Mixture of alcohol
   C. Mixture of drug composition
   D. Incendiary bomb.

Answer: D. Incendiary bomb.

Explanation:
Molotov cocktail: 1. is an incendiary bomb which is thrown by the hand.
                               2. In crude type of this bomb, a bottle is filled with gasoline and a rag
                                   to serve as a wick.The wick is lighted and thrown at the target.
                               3. Various acids and chemicals are sometimes added to increase the
                                   destructive effects.

                  

                                 
Ref: K.S.Narayan Reddy's 'The Essentials of Forensic Medicine and Toxicology',
        33rd edition, pg 240.