In Feb 2016, which city topped the 'Swachh Survekshan - 2016' rankings of 73 cities in India with minimum open defecation and extensive adoption of solid waste management practices?
In the following question, sentence given with blank is to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
The enzyme was the _____________ that triggered the chemical reaction.