Question

a man took 375 ml of water in a beaker and dissolved 2-3 teaspoon of sugar in it and also added half a spoon of powder 'A' to this solution he kept the solution in a warm place after 4 to 5 hours he observed the smell of alcohol coming from that solution
"here, powder 'A' added is of
1.yeast
2.lactobacillius
3.paramecium
4. amoeba

Answer 1

i think option B ......